calculate_daily_returns# API documentation for tradeexecutor.visual.equity_curve.calculate_daily_returns Python function. calculate_daily_returns(state, freq='D')[source]# Calculate daily returns of a backtested results. Used for advanced statistics. Warning Uses equity curve to calculate profits. This does not correctly handle deposit/redemptions. Use in backtesting only. Parameters: freq (pandas._libs.tslibs.offsets.DateOffset | str) – Frequency of the binned data. state (State) – Returns: If valid state provided, returns are returned as calendar day (D) frequency, else None Return type: pandas.core.series.Series | None