Hi,
I'm trying to use the fetch_csv function to import a universe of tickers, but as has been documented on this forum before, this only works if the date column in the CSV file is on or after the date of the first day of the backtest.
I'm changing the date in the CSV programmatically with my preview function, but is there any way to pull the date of the first day of the backtest? Fetch_csv can only be called in initialize, which is the problem (else I could easily find the first day of the backtest in my handle_data function).
Thanks for any help.