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I bought the book.
trying to reproduce all the simulator results.
everything looked good with position class & portfolio class, until I encountered the below assertion error, when running the simple_simulator_usage.py.
using all of the csv files you provided. can't continue with this error. I have not even tried my own portfolio simulation yet.
Is this a known issue? thanks in advance,
in _compute_equity_series(self)
64 c_series = self.cash_series
65 p_series = self.portfolio_value_series
---> 66 assert all(c_series.index == p_series.index), 'portfolio_series has dates not in cash_series'
67 self._equity_series = c_series + p_series
ValueError: Lengths must match.,
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