backtrader.bokeh.analyzers.recorder module

Data recording analyzer.

Records data during strategy execution for subsequent plotting or analysis.

class backtrader.bokeh.analyzers.recorder.RecorderAnalyzer

Bases: Analyzer

Data recording analyzer.

Records OHLCV data and indicator data during strategy execution.

Parameters:

• indicators – Whether to record indicator data

• observers – Whether to record observer data

Example

cerebro.addanalyzer(RecorderAnalyzer, indicators=True)

# Get data after running result = cerebro.run() recorder = result[0].analyzers.recorderanalyzer data = recorder.get_analysis()

params = (('indicators', True), ('observers', False))

__init__()

Initialize recorder analyzer.

Sets up storage for data sources, indicators, and observers based on parameter configuration.

start()

Analyzer start.

next()

Record data for each bar.

stop()

Analyzer stop.

get_analysis()

Return recorded data.

Returns:

Dictionary containing data, indicators and observers

Return type:

OrderedDict

get_dataframe(data_name=None)

Convert data to pandas DataFrame.

Parameters:

data_name – Data source name, None means first data source

Returns:

pandas.DataFrame or None