SUMMARY account account error all base error flag bot brain brain calendar calendar commander commander telegram data data error extra csv feeder resample timeframe wrapper exchange backtest account backtest commander data exchange extra ray ray yfinance yfinance feeder plot plotly optimize stats trade base ccxt api ccxt trade error exchange execution live account api data error exchange feeder live trade metatrader api metatrader trade order position indicator candlestick candlestick talib dataframe momentum rsi stochastic plot series trend ichimoku ma parabolic_sar utils vendor qtpylib inject qtpylib volatility atr bollinger_bands keltner_channel lettrade plot bot color helper plot plotly indicator plotly stats stats strategy strategy utils docs notebook