Indicators ¶
The indicator subpackage provides a set of efficient indicators and analyzers.
These are classes which can be used for signal discovery and filtering. The idea is to use the provided indicators as is, or as inspiration for a trader to implement their own proprietary indicator algorithms with the platform.
- class AdaptiveMovingAverage ( int period_er , int period_alpha_fast , int period_alpha_slow , PriceType price_type=PriceType.LAST ) ¶
-
Bases:
MovingAverage
An indicator which calculates an adaptive moving average (AMA) across a rolling window. Developed by Perry Kaufman, the AMA is a moving average designed to account for market noise and volatility. The AMA will closely follow prices when the price swings are relatively small and the noise is low. The AMA will increase lag when the price swings increase.
- Parameters :
-
-
period_er ( int ) – The period for the internal EfficiencyRatio indicator (> 0).
-
period_alpha_fast ( int ) – The period for the fast smoothing constant (> 0).
-
period_alpha_slow ( int ) – The period for the slow smoothing constant (> 0 < alpha_fast).
-
price_type ( PriceType ) – The specified price type for extracting values from quote ticks.
-
- alpha_diff ¶
-
The alpha difference value.
- Returns :
-
double
- alpha_fast ¶
-
The alpha fast value.
- Returns :
-
double
- alpha_slow ¶
-
The alpha slow value.
- Returns :
-
double
- count ¶
-
The count of inputs received by the indicator.
- Returns :
-
int
- handle_bar ( self , Bar bar ) void ¶
-
Update the indicator with the given bar.
- Parameters :
-
bar ( Bar ) – The update bar to handle.
- handle_quote_tick ( self , QuoteTick tick ) void ¶
-
Update the indicator with the given quote tick.
- Parameters :
-
tick ( QuoteTick ) – The update tick to handle.
- handle_trade_tick ( self , TradeTick tick ) void ¶
-
Update the indicator with the given trade tick.
- Parameters :
-
tick ( TradeTick ) – The update tick to handle.
- has_inputs ¶
-
If the indicator has received inputs.
- Returns :
-
bool
- initialized ¶
-
If the indicator is warmed up and initialized.
- Returns :
-
bool
- name ¶
-
The name of the indicator.
- Returns :
-
str
- period ¶
-
The moving average period.
- Returns :
-
PriceType
- period_alpha_fast ¶
-
The period of the fast smoothing constant.
- Returns :
-
double
- period_alpha_slow ¶
-
The period of the slow smoothing constant.
- Returns :
-
double
- period_er ¶
-
The period of the internal EfficiencyRatio indicator.
- Returns :
-
double
- price_type ¶
-
The specified price type for extracting values from quote ticks.
- Returns :
-
PriceType
- reset ( self ) void ¶
-
Reset the indicator.
All stateful fields are reset to their initial value.
- update_raw ( self , double value ) void ¶
-
Update the indicator with the given raw value.
- Parameters :
-
value ( double ) – The update value.
- value ¶
-
The current output value.
- Returns :
-
double
- class ExponentialMovingAverage ( int period , PriceType price_type=PriceType.LAST ) ¶
-
Bases:
MovingAverage
An indicator which calculates an exponential moving average across a rolling window.
- Parameters :
-
-
period ( int ) – The rolling window period for the indicator (> 0).
-
price_type ( PriceType ) – The specified price type for extracting values from quote ticks.
-
- Raises :
-
ValueError – If period is not positive (> 0).
- alpha ¶
-
The moving average alpha value.
- Returns :
-
double
- count ¶
-
The count of inputs received by the indicator.
- Returns :
-
int
- handle_bar ( self , Bar bar ) void ¶
-
Update the indicator with the given bar.
- Parameters :
-
bar ( Bar ) – The update bar to handle.
- handle_quote_tick ( self , QuoteTick tick ) void ¶
-
Update the indicator with the given quote tick.
- Parameters :
-
tick ( QuoteTick ) – The update tick to handle.
- handle_trade_tick ( self , TradeTick tick ) void ¶
-
Update the indicator with the given trade tick.
- Parameters :
-
tick ( TradeTick ) – The update tick to handle.
- has_inputs ¶
-
If the indicator has received inputs.
- Returns :
-
bool
- initialized ¶
-
If the indicator is warmed up and initialized.
- Returns :
-
bool
- name ¶
-
The name of the indicator.
- Returns :
-
str
- period ¶
-
The moving average period.
- Returns :
-
PriceType
- price_type ¶
-
The specified price type for extracting values from quote ticks.
- Returns :
-
PriceType
- reset ( self ) void ¶
-
Reset the indicator.
All stateful fields are reset to their initial value.
- update_raw ( self , double value ) void ¶
-
Update the indicator with the given raw value.
- Parameters :
-
value ( double ) – The update value.
- value ¶
-
The current output value.
- Returns :
-
double
- class DonchianChannel ( int period ) ¶
-
Bases:
Indicator
Donchian Channels are three lines generated by moving average calculations that comprise an indicator formed by upper and lower bands around a mid-range or median band. The upper band marks the highest price of a instrument_id over N periods while the lower band marks the lowest price of a instrument_id over N periods. The area between the upper and lower bands represents the Donchian Channel.
- Parameters :
-
period ( int ) – The rolling window period for the indicator (> 0).
- Raises :
-
ValueError – If period is not positive (> 0).
- handle_bar ( self , Bar bar ) void ¶
-
Update the indicator with the given bar.
- Parameters :
-
bar ( Bar ) – The update bar.
- handle_quote_tick ( self , QuoteTick tick ) void ¶
-
Update the indicator with the given ticks high and low prices.
- Parameters :
-
tick ( TradeTick ) – The tick for the update.
- handle_trade_tick ( self , TradeTick tick ) void ¶
-
Update the indicator with the given ticks price.
- Parameters :
-
tick ( TradeTick ) – The tick for the update.
- has_inputs ¶
-
If the indicator has received inputs.
- Returns :
-
bool
- initialized ¶
-
If the indicator is warmed up and initialized.
- Returns :
-
bool
- lower ¶
-
The current value of the lower band.
- Returns :
-
double
- middle ¶
-
The current value of the middle band.
- Returns :
-
double
- name ¶
-
The name of the indicator.
- Returns :
-
str
- period ¶
-
The period for the moving average.
- Returns :
-
int
- reset ( self ) void ¶
-
Reset the indicator.
All stateful fields are reset to their initial value.
- update_raw ( self , double high , double low ) void ¶
-
Update the indicator with the given prices.
- Parameters :
-
-
high ( double ) – The price for the upper channel.
-
low ( double ) – The price for the lower channel.
-
- upper ¶
-
The current value of the upper band.
- Returns :
-
double
- class HullMovingAverage ( int period , PriceType price_type=PriceType.LAST ) ¶
-
Bases:
MovingAverage
An indicator which calculates a Hull Moving Average (HMA) across a rolling window. The HMA, developed by Alan Hull, is an extremely fast and smooth moving average.
- Parameters :
-
-
period ( int ) – The rolling window period for the indicator (> 0).
-
price_type ( PriceType ) – The specified price type for extracting values from quote ticks.
-
- Raises :
-
ValueError – If period is not positive (> 0).
- count ¶
-
The count of inputs received by the indicator.
- Returns :
-
int
- handle_bar ( self , Bar bar ) void ¶
-
Update the indicator with the given bar.
- Parameters :
-
bar ( Bar ) – The update bar to handle.
- handle_quote_tick ( self , QuoteTick tick ) void ¶
-
Update the indicator with the given quote tick.
- Parameters :
-
tick ( QuoteTick ) – The update tick to handle.
- handle_trade_tick ( self , TradeTick tick ) void ¶
-
Update the indicator with the given trade tick.
- Parameters :
-
tick ( TradeTick ) – The update tick to handle.
- has_inputs ¶
-
If the indicator has received inputs.
- Returns :
-
bool
- initialized ¶
-
If the indicator is warmed up and initialized.
- Returns :
-
bool
- name ¶
-
The name of the indicator.
- Returns :
-
str
- period ¶
-
The moving average period.
- Returns :
-
PriceType
- price_type ¶
-
The specified price type for extracting values from quote ticks.
- Returns :
-
PriceType
- reset ( self ) void ¶
-
Reset the indicator.
All stateful fields are reset to their initial value.
- update_raw ( self , double value ) void ¶
-
Update the indicator with the given raw value.
- Parameters :
-
value ( double ) – The update value.
- value ¶
-
The current output value.
- Returns :
-
double
- class MovingAverageFactory ¶
-
Bases:
object
Provides a factory to construct different moving average indicators.
- static create ( int period , ma_type: MovingAverageType , **kwargs ) MovingAverage ¶
-
Create a moving average indicator corresponding to the given ma_type.
- Parameters :
-
-
period ( int ) – The period of the moving average (> 0).
-
ma_type ( MovingAverageType ) – The moving average type.
-
- Returns :
-
MovingAverage
- Raises :
-
ValueError – If period is not positive (> 0).
- class SimpleMovingAverage ( int period , PriceType price_type=PriceType.LAST ) ¶
-
Bases:
MovingAverage
An indicator which calculates a simple moving average across a rolling window.
- Parameters :
-
-
period ( int ) – The rolling window period for the indicator (> 0).
-
price_type ( PriceType ) – The specified price type for extracting values from quote ticks.
-
- Raises :
-
ValueError – If period is not positive (> 0).
- count ¶
-
The count of inputs received by the indicator.
- Returns :
-
int
- handle_bar ( self , Bar bar ) void ¶
-
Update the indicator with the given bar.
- Parameters :
-
bar ( Bar ) – The update bar to handle.
- handle_quote_tick ( self , QuoteTick tick ) void ¶
-
Update the indicator with the given quote tick.
- Parameters :
-
tick ( QuoteTick ) – The update tick to handle.
- handle_trade_tick ( self , TradeTick tick ) void ¶
-
Update the indicator with the given trade tick.
- Parameters :
-
tick ( TradeTick ) – The update tick to handle.
- has_inputs ¶
-
If the indicator has received inputs.
- Returns :
-
bool
- initialized ¶
-
If the indicator is warmed up and initialized.
- Returns :
-
bool
- name ¶
-
The name of the indicator.
- Returns :
-
str
- period ¶
-
The moving average period.
- Returns :
-
PriceType
- price_type ¶
-
The specified price type for extracting values from quote ticks.
- Returns :
-
PriceType
- reset ( self ) void ¶
-
Reset the indicator.
All stateful fields are reset to their initial value.
- update_raw ( self , double value ) void ¶
-
Update the indicator with the given raw value.
- Parameters :
-
value ( double ) – The update value.
- value ¶
-
The current output value.
- Returns :
-
double
- class WeightedMovingAverage ( int period , weights=None , PriceType price_type=PriceType.LAST ) ¶
-
Bases:
MovingAverage
An indicator which calculates a weighted moving average across a rolling window.
- Parameters :
-
-
period ( int ) – The rolling window period for the indicator (> 0).
-
weights ( iterable ) – The weights for the moving average calculation (if not
None
then = period). -
price_type ( PriceType ) – The specified price type for extracting values from quote ticks.
-
- Raises :
-
ValueError – If period is not positive (> 0).
- count ¶
-
The count of inputs received by the indicator.
- Returns :
-
int
- handle_bar ( self , Bar bar ) void ¶
-
Update the indicator with the given bar.
- Parameters :
-
bar ( Bar ) – The update bar to handle.
- handle_quote_tick ( self , QuoteTick tick ) void ¶
-
Update the indicator with the given quote tick.
- Parameters :
-
tick ( QuoteTick ) – The update tick to handle.
- handle_trade_tick ( self , TradeTick tick ) void ¶
-
Update the indicator with the given trade tick.
- Parameters :
-
tick ( TradeTick ) – The update tick to handle.
- has_inputs ¶
-
If the indicator has received inputs.
- Returns :
-
bool
- initialized ¶
-
If the indicator is warmed up and initialized.
- Returns :
-
bool
- name ¶
-
The name of the indicator.
- Returns :
-
str
- period ¶
-
The moving average period.
- Returns :
-
PriceType
- price_type ¶
-
The specified price type for extracting values from quote ticks.
- Returns :
-
PriceType
- reset ( self ) void ¶
-
Reset the indicator.
All stateful fields are reset to their initial value.
- update_raw ( self , double value ) void ¶
-
Update the indicator with the given raw value.
- Parameters :
-
value ( double ) – The update value.
- value ¶
-
The current output value.
- Returns :
-
double
- weights ¶
-
The weights for the moving average calculation.
- Returns :
-
np.ndarray[float64]
- class AverageTrueRange ( int period , ma_type: MovingAverageType = MovingAverageType.SIMPLE , bool use_previous=True , double value_floor=0 ) ¶
-
Bases:
Indicator
An indicator which calculates the average true range across a rolling window. Different moving average types can be selected for the inner calculation.
- Parameters :
-
-
period ( int ) – The rolling window period for the indicator (> 0).
-
ma_type ( MovingAverageType ) – The moving average type for the indicator (cannot be None).
-
use_previous ( bool ) – The boolean flag indicating whether previous price values should be used. (note: only applicable for update() . update_mid() will need to use previous price.
-
value_floor ( double ) – The floor (minimum) output value for the indicator (>= 0).
-
- handle_bar ( self , Bar bar ) void ¶
-
Update the indicator with the given bar.
- Parameters :
-
bar ( Bar ) – The update bar.
- handle_quote_tick ( self , QuoteTick tick ) void ¶
-
Abstract method (implement in subclass).
- handle_trade_tick ( self , TradeTick tick ) void ¶
-
Abstract method (implement in subclass).
- has_inputs ¶
-
If the indicator has received inputs.
- Returns :
-
bool
- initialized ¶
-
If the indicator is warmed up and initialized.
- Returns :
-
bool
- name ¶
-
The name of the indicator.
- Returns :
-
str
- period ¶
-
The window period.
- Returns :
-
int
- reset ( self ) void ¶
-
Reset the indicator.
All stateful fields are reset to their initial value.
- update_raw ( self , double high , double low , double close ) void ¶
-
Update the indicator with the given raw values.
- Parameters :
-
-
high ( double ) – The high price.
-
low ( double ) – The low price.
-
close ( double ) – The close price.
-
- value ¶
-
The current value.
- Returns :
-
double
- class BollingerBands ( int period , double k , ma_type: MovingAverageType = MovingAverageType.SIMPLE ) ¶
-
Bases:
Indicator
A Bollinger Band® is a technical analysis tool defined by a set of trend lines plotted two standard deviations (positively and negatively) away from a simple moving average (SMA) of an instruments price, which can be adjusted to user preferences.
- Parameters :
-
-
period ( int ) – The rolling window period for the indicator (> 0).
-
k ( double ) – The standard deviation multiple for the indicator (> 0).
-
ma_type ( MovingAverageType ) – The moving average type for the indicator.
-
- Raises :
-
-
ValueError – If period is not positive (> 0).
-
ValueError – If k is not positive (> 0).
-
- handle_bar ( self , Bar bar ) void ¶
-
Update the indicator with the given bar.
- Parameters :
-
bar ( Bar ) – The update bar.
- handle_quote_tick ( self , QuoteTick tick ) void ¶
-
Update the indicator with the given tick.
- Parameters :
-
tick ( TradeTick ) – The tick for the update.
- handle_trade_tick ( self , TradeTick tick ) void ¶
-
Update the indicator with the given tick.
- Parameters :
-
tick ( TradeTick ) – The tick for the update.
- has_inputs ¶
-
If the indicator has received inputs.
- Returns :
-
bool
- initialized ¶
-
If the indicator is warmed up and initialized.
- Returns :
-
bool
- k ¶
-
The standard deviation multiple.
- Returns :
-
double
- lower ¶
-
The current value of the lower band.
- Returns :
-
double
- middle ¶
-
The current value of the middle band.
- Returns :
-
double
- name ¶
-
The name of the indicator.
- Returns :
-
str
- period ¶
-
The period for the moving average.
- Returns :
-
int
- reset ( self ) void ¶
-
Reset the indicator.
All stateful fields are reset to their initial value.
- update_raw ( self , double high , double low , double close ) void ¶
-
Update the indicator with the given prices.
- Parameters :
-
-
high ( double ) – The high price for calculations.
-
low ( double ) – The low price for calculations.
-
close ( double ) – The closing price for calculations
-
- upper ¶
-
The current value of the upper band.
- Returns :
-
double
- class EfficiencyRatio ( int period ) ¶
-
Bases:
Indicator
An indicator which calculates the efficiency ratio across a rolling window. The Kaufman Efficiency measures the ratio of the relative market speed in relation to the volatility, this could be thought of as a proxy for noise.
- Parameters :
-
period ( int ) – The rolling window period for the indicator (>= 2).
- Raises :
-
ValueError – If period is not >= 2.
- handle_bar ( self , Bar bar ) void ¶
-
Update the indicator with the given bar.
- Parameters :
-
bar ( Bar ) – The update bar.
- handle_quote_tick ( self , QuoteTick tick ) void ¶
-
Abstract method (implement in subclass).
- handle_trade_tick ( self , TradeTick tick ) void ¶
-
Abstract method (implement in subclass).
- has_inputs ¶
-
If the indicator has received inputs.
- Returns :
-
bool
- initialized ¶
-
If the indicator is warmed up and initialized.
- Returns :
-
bool
- name ¶
-
The name of the indicator.
- Returns :
-
str
- period ¶
-
The window period.
- Returns :
-
int
- reset ( self ) void ¶
-
Reset the indicator.
All stateful fields are reset to their initial value.
- update_raw ( self , double price ) void ¶
-
Update the indicator with the given price.
- Parameters :
-
price ( double ) – The update price.
- value ¶
-
The current value.
- Returns :
-
double
- class FuzzyCandle ( CandleDirection direction , CandleSize size , CandleBodySize body_size , CandleWickSize upper_wick_size , CandleWickSize lower_wick_size ) ¶
-
Bases:
object
Represents a fuzzy candle.
- Parameters :
-
-
direction ( CandleDirection ) – The candle direction.
-
size ( CandleSize ) – The candle fuzzy size.
-
body_size ( CandleBodySize ) – The candle fuzzy body size.
-
upper_wick_size ( CandleWickSize ) – The candle fuzzy upper wick size.
-
lower_wick_size ( CandleWickSize ) – The candle fuzzy lower wick size.
-
- body_size ¶
-
The candles fuzzy body size.
- Returns :
-
CandleBodySize
- direction ¶
-
The candles close direction.
- Returns :
-
CandleDirection
- lower_wick_size ¶
-
The candles fuzzy lower wick size.
- Returns :
-
CandleWickSize
- size ¶
-
The candles fuzzy overall size.
- Returns :
-
CandleSize
- upper_wick_size ¶
-
The candles fuzzy upper wick size.
- Returns :
-
CandleWickSize
- class FuzzyCandlesticks ( int period , double threshold1=0.5 , double threshold2=1.0 , double threshold3=2.0 , double threshold4=3.0 ) ¶
-
Bases:
Indicator
An indicator which fuzzifies bar data to produce fuzzy candlesticks. Bar data is dimensionally reduced via fuzzy feature extraction.
- Parameters :
-
-
period ( int ) – The rolling window period for the indicator (> 0).
-
threshold1 ( float ) – The membership function x threshold1 (>= 0).
-
threshold2 ( float ) – The membership function x threshold2 (> threshold1).
-
threshold3 ( float ) – The membership function x threshold3 (> threshold2).
-
threshold4 ( float ) – The membership function x threshold4 (> threshold3).
-
- handle_bar ( self , Bar bar ) void ¶
-
Update the indicator with the given bar.
- Parameters :
-
bar. ( The update ) –
- handle_quote_tick ( self , QuoteTick tick ) void ¶
-
Abstract method (implement in subclass).
- handle_trade_tick ( self , TradeTick tick ) void ¶
-
Abstract method (implement in subclass).
- has_inputs ¶
-
If the indicator has received inputs.
- Returns :
-
bool
- initialized ¶
-
If the indicator is warmed up and initialized.
- Returns :
-
bool
- name ¶
-
The name of the indicator.
- Returns :
-
str
- period ¶
-
The window period.
- Returns :
-
int
- reset ( self ) void ¶
-
Reset the indicator.
All stateful fields are reset to their initial value.
- update_raw ( self , double open , double high , double low , double close ) void ¶
-
Update the indicator with the given raw values.
- Parameters :
-
-
open ( double ) – The open price.
-
high ( double ) – The high price.
-
low ( double ) – The low price.
-
close ( double ) – The close price.
-
- value ¶
-
The last fuzzy candle.
- Returns :
-
FuzzyCandle
- vector ¶
-
The fuzzy candle represented as a vector of ints.
- Returns :
-
list[int]
- class KeltnerChannel ( int period , double k_multiplier , ma_type: MovingAverageType = MovingAverageType.EXPONENTIAL , ma_type_atr: MovingAverageType = MovingAverageType.SIMPLE , bool use_previous=True , double atr_floor=0 ) ¶
-
Bases:
Indicator
The Keltner channel is a volatility based envelope set above and below a central moving average. Traditionally the middle band is an EMA based on the typical price (high + low + close) / 3, the upper band is the middle band plus the ATR. The lower band is the middle band minus the ATR.
- Parameters :
-
-
period ( int ) – The rolling window period for the indicator (> 0).
-
k_multiplier ( double ) – The multiplier for the ATR (> 0).
-
ma_type ( MovingAverageType ) – The moving average type for the middle band (cannot be None).
-
ma_type_atr ( MovingAverageType ) – The moving average type for the internal ATR (cannot be None).
-
use_previous ( bool ) – The boolean flag indicating whether previous price values should be used.
-
atr_floor ( double ) – The ATR floor (minimum) output value for the indicator (>= 0).
-
- handle_bar ( self , Bar bar ) void ¶
-
Update the indicator with the given bar.
- Parameters :
-
bar ( Bar ) – The update bar.
- handle_quote_tick ( self , QuoteTick tick ) void ¶
-
Abstract method (implement in subclass).
- handle_trade_tick ( self , TradeTick tick ) void ¶
-
Abstract method (implement in subclass).
- has_inputs ¶
-
If the indicator has received inputs.
- Returns :
-
bool
- initialized ¶
-
If the indicator is warmed up and initialized.
- Returns :
-
bool
- k_multiplier ¶
-
The k multiplier.
- Returns :
-
double
- lower ¶
-
The current value of the lower channel.
- Returns :
-
double
- middle ¶
-
The current value of the middle channel.
- Returns :
-
double
- name ¶
-
The name of the indicator.
- Returns :
-
str
- period ¶
-
The window period.
- Returns :
-
int
- reset ( self ) void ¶
-
Reset the indicator.
All stateful fields are reset to their initial value.
- update_raw ( self , double high , double low , double close ) void ¶
-
Update the indicator with the given raw values.
- Parameters :
-
-
high ( double ) – The high price.
-
low ( double ) – The low price.
-
close ( double ) – The close price.
-
- upper ¶
-
The current value of the upper channel.
- Returns :
-
double
- class KeltnerPosition ( int period , double k_multiplier , ma_type: MovingAverageType = MovingAverageType.EXPONENTIAL , ma_type_atr: MovingAverageType = MovingAverageType.SIMPLE , bool use_previous=True , double atr_floor=0 ) ¶
-
Bases:
Indicator
An indicator which calculates the relative position of the given price within a defined Keltner channel. This provides a measure of the relative ‘extension’ of a market from the mean, as a multiple of volatility.
- Parameters :
-
-
period ( int ) – The rolling window period for the indicator (> 0).
-
k_multiplier ( double ) – The multiplier for the ATR (> 0).
-
ma_type ( MovingAverageType ) – The moving average type for the middle band (cannot be None).
-
ma_type_atr ( MovingAverageType ) – The moving average type for the internal ATR (cannot be None).
-
use_previous ( bool ) – The boolean flag indicating whether previous price values should be used.
-
atr_floor ( double ) – The ATR floor (minimum) output value for the indicator (>= 0).
-
- handle_bar ( self , Bar bar ) void ¶
-
Update the indicator with the given bar.
- Parameters :
-
bar ( Bar ) – The update bar.
- handle_quote_tick ( self , QuoteTick tick ) void ¶
-
Abstract method (implement in subclass).
- handle_trade_tick ( self , TradeTick tick ) void ¶
-
Abstract method (implement in subclass).
- has_inputs ¶
-
If the indicator has received inputs.
- Returns :
-
bool
- initialized ¶
-
If the indicator is warmed up and initialized.
- Returns :
-
bool
- k_multiplier ¶
-
The K multiplier.
- Returns :
-
double
- name ¶
-
The name of the indicator.
- Returns :
-
str
- period ¶
-
The window period.
- Returns :
-
int
- reset ( self ) void ¶
-
Reset the indicator.
All stateful fields are reset to their initial value.
- update_raw ( self , double high , double low , double close ) void ¶
-
Update the indicator with the given raw value.
- Parameters :
-
-
high ( double ) – The high price.
-
low ( double ) – The low price.
-
close ( double ) – The close price.
-
- value ¶
-
The current value.
- Returns :
-
double
- class MovingAverageConvergenceDivergence ( int fast_period , int slow_period , ma_type: MovingAverageType = MovingAverageType.EXPONENTIAL , PriceType price_type=PriceType.LAST ) ¶
-
Bases:
Indicator
An indicator which calculates the difference between two moving averages. Different moving average types can be selected for the inner calculation.
- Parameters :
-
-
fast_period ( int ) – The period for the fast moving average (> 0).
-
slow_period ( int ) – The period for the slow moving average (> 0 & > fast_sma).
-
ma_type ( MovingAverageType ) – The moving average type for the calculations.
-
price_type ( PriceType ) – The specified price type for extracting values from quote ticks.
-
- Raises :
-
-
ValueError – If fast_period is not positive (> 0).
-
ValueError – If slow_period is not positive (> 0).
-
ValueError – If fast_period is not < slow_period .
-
- fast_period ¶
-
The fast moving average window period.
- Returns :
-
int
- handle_bar ( self , Bar bar ) void ¶
-
Update the indicator with the given bar.
- Parameters :
-
bar ( Bar ) – The update bar.
- handle_quote_tick ( self , QuoteTick tick ) void ¶
-
Update the indicator with the given quote tick.
- Parameters :
-
tick ( QuoteTick ) – The update tick to handle.
- handle_trade_tick ( self , TradeTick tick ) void ¶
-
Update the indicator with the given trade tick.
- Parameters :
-
tick ( TradeTick ) – The update tick to handle.
- has_inputs ¶
-
If the indicator has received inputs.
- Returns :
-
bool
- initialized ¶
-
If the indicator is warmed up and initialized.
- Returns :
-
bool
- name ¶
-
The name of the indicator.
- Returns :
-
str
- price_type ¶
-
The specified price type for extracting values from quote ticks.
- Returns :
-
PriceType
- reset ( self ) void ¶
-
Reset the indicator.
All stateful fields are reset to their initial value.
- slow_period ¶
-
The slow moving average window period.
- Returns :
-
int
- update_raw ( self , double close ) void ¶
-
Update the indicator with the given close price.
- Parameters :
-
close ( double ) – The close price.
- value ¶
-
The current value.
- Returns :
-
double
- class OnBalanceVolume ( int period=0 ) ¶
-
Bases:
Indicator
An indicator which calculates the momentum of relative positive or negative volume.
- Parameters :
-
period ( int ) – The period for the indicator, zero indicates no window (>= 0).
- Raises :
-
ValueError – If period is negative (< 0).
- handle_bar ( self , Bar bar ) void ¶
-
Update the indicator with the given bar.
- Parameters :
-
bar ( Bar ) – The update bar.
- handle_quote_tick ( self , QuoteTick tick ) void ¶
-
Abstract method (implement in subclass).
- handle_trade_tick ( self , TradeTick tick ) void ¶
-
Abstract method (implement in subclass).
- has_inputs ¶
-
If the indicator has received inputs.
- Returns :
-
bool
- initialized ¶
-
If the indicator is warmed up and initialized.
- Returns :
-
bool
- name ¶
-
The name of the indicator.
- Returns :
-
str
- period ¶
-
The window period.
- Returns :
-
int
- reset ( self ) void ¶
-
Reset the indicator.
All stateful fields are reset to their initial value.
- update_raw ( self , double open , double close , double volume ) void ¶
-
Update the indicator with the given raw values.
- Parameters :
-
-
open ( double ) – The high price.
-
close ( double ) – The low price.
-
volume ( double ) – The close price.
-
- value ¶
-
The current value.
- Returns :
-
double
- class Pressure ( int period , ma_type: MovingAverageType = MovingAverageType.EXPONENTIAL , double atr_floor=0 ) ¶
-
Bases:
Indicator
An indicator which calculates the relative volume (multiple of average volume) to move the market across a relative range (multiple of ATR).
- Parameters :
-
-
period ( int ) – The period for the indicator (> 0).
-
ma_type ( MovingAverageType ) – The moving average type for the calculations.
-
atr_floor ( double ) – The ATR floor (minimum) output value for the indicator (>= 0.).
-
- Raises :
-
-
ValueError – If period is not positive (> 0).
-
ValueError – If atr_floor is negative (< 0).
-
- handle_bar ( self , Bar bar ) void ¶
-
Update the indicator with the given bar.
- Parameters :
-
bar ( Bar ) – The update bar.
- handle_quote_tick ( self , QuoteTick tick ) void ¶
-
Abstract method (implement in subclass).
- handle_trade_tick ( self , TradeTick tick ) void ¶
-
Abstract method (implement in subclass).
- has_inputs ¶
-
If the indicator has received inputs.
- Returns :
-
bool
- initialized ¶
-
If the indicator is warmed up and initialized.
- Returns :
-
bool
- name ¶
-
The name of the indicator.
- Returns :
-
str
- period ¶
-
The window period.
- Returns :
-
int
- reset ( self ) void ¶
-
Reset the indicator.
All stateful fields are reset to their initial value.
- update_raw ( self , double high , double low , double close , double volume ) void ¶
-
Update the indicator with the given raw values.
- Parameters :
-
-
high ( double ) – The high price.
-
low ( double ) – The low price.
-
close ( double ) – The close price.
-
volume ( double ) – The volume.
-
- value ¶
-
The current value.
- Returns :
-
int
- value_cumulative ¶
-
The cumulative value.
- Returns :
-
int
- class RateOfChange ( int period , bool use_log=False ) ¶
-
Bases:
Indicator
An indicator which calculates the rate of change of price over a defined period. The return output can be simple or log.
- Parameters :
-
-
period ( int ) – The period for the indicator.
-
use_log ( bool ) – Use log returns for value calculation.
-
- Raises :
-
ValueError – If period is not > 1.
- handle_bar ( self , Bar bar ) void ¶
-
Update the indicator with the given bar.
- Parameters :
-
bar ( Bar ) – The update bar.
- handle_quote_tick ( self , QuoteTick tick ) void ¶
-
Abstract method (implement in subclass).
- handle_trade_tick ( self , TradeTick tick ) void ¶
-
Abstract method (implement in subclass).
- has_inputs ¶
-
If the indicator has received inputs.
- Returns :
-
bool
- initialized ¶
-
If the indicator is warmed up and initialized.
- Returns :
-
bool
- name ¶
-
The name of the indicator.
- Returns :
-
str
- period ¶
-
The window period.
- Returns :
-
int
- reset ( self ) void ¶
-
Reset the indicator.
All stateful fields are reset to their initial value.
- update_raw ( self , double price ) void ¶
-
Update the indicator with the given price.
- Parameters :
-
price ( double ) – The update price.
- value ¶
-
The current value.
- Returns :
-
double
- class RelativeStrengthIndex ( int period , ma_type: MovingAverageType = MovingAverageType.EXPONENTIAL ) ¶
-
Bases:
Indicator
An indicator which calculates a relative strength index (RSI) across a rolling window.
- Parameters :
-
-
ma_type ( int ) – The moving average type for average gain/loss.
-
period ( MovingAverageType ) – The rolling window period for the indicator.
-
- Raises :
-
ValueError – If period is not positive (> 0).
- handle_bar ( self , Bar bar ) void ¶
-
Update the indicator with the given bar.
- Parameters :
-
bar ( Bar ) – The update bar.
- handle_quote_tick ( self , QuoteTick tick ) void ¶
-
Abstract method (implement in subclass).
- handle_trade_tick ( self , TradeTick tick ) void ¶
-
Abstract method (implement in subclass).
- has_inputs ¶
-
If the indicator has received inputs.
- Returns :
-
bool
- initialized ¶
-
If the indicator is warmed up and initialized.
- Returns :
-
bool
- name ¶
-
The name of the indicator.
- Returns :
-
str
- period ¶
-
The window period.
- Returns :
-
int
- reset ( self ) void ¶
-
Reset the indicator.
All stateful fields are reset to their initial value.
- update_raw ( self , double value ) void ¶
-
Update the indicator with the given value.
- Parameters :
-
value ( double ) – The update value.
- value ¶
-
The current value.
- Returns :
-
double
- class SpreadAnalyzer ( InstrumentId instrument_id , int capacity ) ¶
-
Bases:
Indicator
Provides various spread analysis metrics.
- Parameters :
-
-
instrument_id ( InstrumentId ) – The instrument ID for the tick updates.
-
capacity ( int ) – The max length for the internal QuoteTick deque (determines averages).
-
- Raises :
-
ValueError – If capacity is not positive (> 0).
- average ¶
-
The current average spread.
- Returns :
-
double
- capacity ¶
-
The indicators spread capacity.
- Returns :
-
int
- current ¶
-
The current spread.
- Returns :
-
double
- handle_bar ( self , Bar bar ) void ¶
-
Abstract method (implement in subclass).
- handle_quote_tick ( self , QuoteTick tick ) void ¶
-
Update the analyzer with the given quote tick.
- Parameters :
-
tick ( QuoteTick ) – The tick for the update.
- Raises :
-
ValueError – If tick.instrument_id does not equal the analyzers instrument ID.
- handle_trade_tick ( self , TradeTick tick ) void ¶
-
Abstract method (implement in subclass).
- has_inputs ¶
-
If the indicator has received inputs.
- Returns :
-
bool
- initialized ¶
-
If the indicator is warmed up and initialized.
- Returns :
-
bool
- instrument_id ¶
-
The indicators instrument ID.
- Returns :
-
InstrumentId
- name ¶
-
The name of the indicator.
- Returns :
-
str
- reset ( self ) void ¶
-
Reset the indicator.
All stateful fields are reset to their initial value.
- class Stochastics ( int period_k , int period_d ) ¶
-
Bases:
Indicator
An oscillator which can indicate when an asset may be over bought or over sold.
- Parameters :
-
-
period_k ( int ) – The period for the K line.
-
period_d ( int ) – The period for the D line.
-
- Raises :
-
-
ValueError – If period_k is not positive (> 0).
-
ValueError – If period_d is not positive (> 0).
-
References
https://www.forextraders.com/forex-education/forex-indicators/stochastics-indicator-explained/
- handle_bar ( self , Bar bar ) void ¶
-
Update the indicator with the given bar.
- Parameters :
-
bar ( Bar ) – The update bar.
- handle_quote_tick ( self , QuoteTick tick ) void ¶
-
Abstract method (implement in subclass).
- handle_trade_tick ( self , TradeTick tick ) void ¶
-
Abstract method (implement in subclass).
- has_inputs ¶
-
If the indicator has received inputs.
- Returns :
-
bool
- initialized ¶
-
If the indicator is warmed up and initialized.
- Returns :
-
bool
- name ¶
-
The name of the indicator.
- Returns :
-
str
- period_d ¶
-
The D window period.
- Returns :
-
int
- period_k ¶
-
The K window period.
- Returns :
-
int
- reset ( self ) void ¶
-
Reset the indicator.
All stateful fields are reset to their initial value.
- update_raw ( self , double high , double low , double close ) void ¶
-
Update the indicator with the given raw values.
- Parameters :
-
-
high ( double ) – The high price.
-
low ( double ) – The low price.
-
close ( double ) – The close price.
-
- value_d ¶
-
The current D line value.
- Returns :
-
double
- value_k ¶
-
The current K line value..
- Returns :
-
double
- class Swings ( int period ) ¶
-
Bases:
Indicator
A swing indicator which calculates and stores various swing metrics.
- Parameters :
-
period ( int ) – The rolling window period for the indicator (> 0).
- changed ¶
-
If the swing direction changed at the last bar.
- Returns :
-
bool
- direction ¶
-
The current swing direction.
- Returns :
-
int
- duration ¶
-
The current swing duration.
- Returns :
-
int
- handle_bar ( self , Bar bar ) void ¶
-
Update the indicator with the given bar.
- Parameters :
-
bar ( Bar ) – The update bar.
- handle_quote_tick ( self , QuoteTick tick ) void ¶
-
Abstract method (implement in subclass).
- handle_trade_tick ( self , TradeTick tick ) void ¶
-
Abstract method (implement in subclass).
- has_inputs ¶
-
If the indicator has received inputs.
- Returns :
-
bool
- high_datetime ¶
-
The last swing high time.
- Returns :
-
datetime
- high_price ¶
-
The last swing high price.
- Returns :
-
double
- initialized ¶
-
If the indicator is warmed up and initialized.
- Returns :
-
bool
- length ¶
-
The length of the current swing.
- Returns :
-
double
- low_datetime ¶
-
The last swing low time.
- Returns :
-
datetime
- low_price ¶
-
The last swing low price.
- Returns :
-
double
- name ¶
-
The name of the indicator.
- Returns :
-
str
- period ¶
-
The window period.
- Returns :
-
int
- reset ( self ) void ¶
-
Reset the indicator.
All stateful fields are reset to their initial value.
- since_high ¶
-
The bars since the last swing high.
- Returns :
-
int
- since_low ¶
-
The bars since the last swing low.
- Returns :
-
int
- update_raw ( self , double high , double low , datetime timestamp ) void ¶
-
Update the indicator with the given raw values.
- Parameters :
-
-
high ( double ) – The high price.
-
low ( double ) – The low price.
-
timestamp ( datetime ) – The current timestamp.
-
- class VolatilityRatio ( int fast_period , int slow_period , ma_type: MovingAverageType = MovingAverageType.SIMPLE , bool use_previous=True , double value_floor=0 ) ¶
-
Bases:
Indicator
An indicator which calculates the ratio of different ranges of volatility. Different moving average types can be selected for the inner ATR calculations.
- Parameters :
-
-
fast_period ( int ) – The period for the fast ATR (> 0).
-
slow_period ( int ) – The period for the slow ATR (> 0 & > fast_period).
-
ma_type ( MovingAverageType ) – The moving average type for the ATR calculations.
-
use_previous ( bool ) – The boolean flag indicating whether previous price values should be used.
-
value_floor ( double ) – The floor (minimum) output value for the indicator (>= 0).
-
- Raises :
-
-
ValueError – If fast_period is not positive (> 0).
-
ValueError – If slow_period is not positive (> 0).
-
ValueError – If fast_period is not < slow_period .
-
ValueError – If value_floor is negative (< 0).
-
- fast_period ¶
-
The period of the fast ATR.
- Returns :
-
int
- handle_bar ( self , Bar bar ) void ¶
-
Update the indicator with the given bar.
- Parameters :
-
bar ( Bar ) – The update bar.
- handle_quote_tick ( self , QuoteTick tick ) void ¶
-
Abstract method (implement in subclass).
- handle_trade_tick ( self , TradeTick tick ) void ¶
-
Abstract method (implement in subclass).
- has_inputs ¶
-
If the indicator has received inputs.
- Returns :
-
bool
- initialized ¶
-
If the indicator is warmed up and initialized.
- Returns :
-
bool
- name ¶
-
The name of the indicator.
- Returns :
-
str
- reset ( self ) void ¶
-
Reset the indicator.
All stateful fields are reset to their initial value.
- slow_period ¶
-
The period of the slow ATR.
- Returns :
-
int
- update_raw ( self , double high , double low , double close ) void ¶
-
Update the indicator with the given raw value.
- Parameters :
-
-
high ( double ) – The high price.
-
low ( double ) – The low price.
-
close ( double ) – The close price.
-
- value ¶
-
The current value.
- Returns :
-
double
- class VolumeWeightedAveragePrice ¶
-
Bases:
Indicator
An indicator which calculates the volume weighted average price for the day.
- handle_bar ( self , Bar bar ) void ¶
-
Update the indicator with the given bar.
- Parameters :
-
bar ( Bar ) – The update bar.
- handle_quote_tick ( self , QuoteTick tick ) void ¶
-
Abstract method (implement in subclass).
- handle_trade_tick ( self , TradeTick tick ) void ¶
-
Abstract method (implement in subclass).
- has_inputs ¶
-
If the indicator has received inputs.
- Returns :
-
bool
- initialized ¶
-
If the indicator is warmed up and initialized.
- Returns :
-
bool
- name ¶
-
The name of the indicator.
- Returns :
-
str
- reset ( self ) void ¶
-
Reset the indicator.
All stateful fields are reset to their initial value.
- update_raw ( self , double price , double volume , datetime timestamp ) void ¶
-
Update the indicator with the given raw values.
- Parameters :
-
-
price ( double ) – The update price.
-
volume ( double ) – The update volume.
-
timestamp ( datetime ) – The current timestamp.
-
- value ¶
-
The current value.
- Returns :
-
double
- class MovingAverage ( int period , list params , PriceType price_type ) ¶
-
Bases:
Indicator
The base class for all moving average type indicators.
- Parameters :
-
-
period ( int ) – The rolling window period for the indicator (> 0).
-
params ( list ) – The initialization parameters for the indicator.
-
price_type ( PriceType , optional ) – The specified price type for extracting values from quote ticks.
-
Warning
This class should not be used directly, but through a concrete subclass.
- count ¶
-
The count of inputs received by the indicator.
- Returns :
-
int
- handle_bar ( self , Bar bar ) void ¶
-
Abstract method (implement in subclass).
- handle_quote_tick ( self , QuoteTick tick ) void ¶
-
Abstract method (implement in subclass).
- handle_trade_tick ( self , TradeTick tick ) void ¶
-
Abstract method (implement in subclass).
- has_inputs ¶
-
If the indicator has received inputs.
- Returns :
-
bool
- initialized ¶
-
If the indicator is warmed up and initialized.
- Returns :
-
bool
- name ¶
-
The name of the indicator.
- Returns :
-
str
- period ¶
-
The moving average period.
- Returns :
-
PriceType
- price_type ¶
-
The specified price type for extracting values from quote ticks.
- Returns :
-
PriceType
- reset ( self ) void ¶
-
Reset the indicator.
All stateful fields are reset to their initial value.
- update_raw ( self , double value ) void ¶
-
Update the indicator with the given raw value.
- Parameters :
-
value ( double ) – The update value.
- value ¶
-
The current output value.
- Returns :
-
double
- class MovingAverageType ( value , names = None , * , module = None , qualname = None , type = None , start = 1 , boundary = None ) ¶
-
Bases:
Enum
Represents the type of moving average.
- class Indicator ( list params ) ¶
-
Bases:
object
The base class for all indicators.
- Parameters :
-
params ( list ) – The initialization parameters for the indicator.
Warning
This class should not be used directly, but through a concrete subclass.
- handle_bar ( self , Bar bar ) void ¶
-
Abstract method (implement in subclass).
- handle_quote_tick ( self , QuoteTick tick ) void ¶
-
Abstract method (implement in subclass).
- handle_trade_tick ( self , TradeTick tick ) void ¶
-
Abstract method (implement in subclass).
- has_inputs ¶
-
If the indicator has received inputs.
- Returns :
-
bool
- initialized ¶
-
If the indicator is warmed up and initialized.
- Returns :
-
bool
- name ¶
-
The name of the indicator.
- Returns :
-
str
- reset ( self ) void ¶
-
Reset the indicator.
All stateful fields are reset to their initial value.