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Zipline Error: AttributeError: 'NoneType' object has no attribute 'index'

score 1241 · Answer 1 · 2017-09-18 12:50:25

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TechQA.

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Zipline Error: AttributeError: 'NoneType' object has no attribute 'index'

when running backtest and buying I always get Order Canceled/Margin/Rejected

Pinescript, trailing stop loss repaints

Calculating returns with short positions (backtest)

Pine Script: strategy.exit with profit parameter executing at next bar open instead of intrabar

Trading fractional shares with Backtesting.py

Issue with Backtesting.py - Why Sharpe, Sortino and Calmar Ratio all show 0?

Truth Ambiguity Error in Backtesting.py Backtest

Backtesting.py backtest statistics only shows nans and 0

portfolioBacktest package in R: 'Prices contain NAs' despite that adjusted prices have been filled with non-NA values

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