plotter – Strategy plotter¶

class pyalgotrade.plotter.Subplot¶

addCallback(label, callback)¶

Adds a callback that will be called on each bar.

Parameters:	label (string.) – A name for the series values. callback – A function that receives a `pyalgotrade.bar.Bars` instance as a parameter and returns a number or None.

addDataSeries(label, dataSeries)¶

Adds a DataSeries to the subplot.

Parameters:	label (string.) – A name for the DataSeries values. dataSeries (`pyalgotrade.dataseries.DataSeries`.) – The DataSeries to add.

class pyalgotrade.plotter.InstrumentSubplot(instrument, plotBuySell)¶: A Subplot responsible for plotting an instrument.

class pyalgotrade.plotter.StrategyPlotter(strat, plotAllInstruments=True, plotBuySell=True, plotPortfolio=True)¶

Class responsible for plotting a strategy execution.

Parameters:	strat (`pyalgotrade.strategy.Strategy`.) – The strategy to plot. plotAllInstruments (boolean.) – Set to True to get a subplot for each instrument available. plotBuySell (boolean.) – Set to True to get the buy/sell events plotted for each instrument available. plotPortfolio (boolean.) – Set to True to get the portfolio value (shares + cash) plotted.

getInstrumentSubplot(instrument)¶

Returns the InstrumentSubplot for a given instrument

Return type:	`InstrumentSubplot`.

getOrCreateSubplot(name)¶

Returns a Subplot by name. If the subplot doesn’t exist, it gets created.

Parameters:	name (string.) – The name of the Subplot to get or create.
Return type:	`Subplot`.

getPortfolioSubplot()¶

Returns the subplot where the portfolio values get plotted.

Return type:	`Subplot`.

plot(fromDateTime=None, toDateTime=None)¶

Plots the strategy execution. Must be called after running the strategy.

Parameters:	fromDateTime (datetime.datetime) – An optional starting datetime.datetime. Everything before it won’t get plotted. toDateTime (datetime.datetime) – An optional ending datetime.datetime. Everything after it won’t get plotted.