Tbh i dont have high enough quality bid&ask tickdata to do backtest with valid spreads and know exact number for 10+ years.
Cheap dataproviders provide poor data imo. If
algos find strange oppertunities i know data is shit.
And my algos determine poor data very well.
Fighting agains poor data with manually coded validity filters is hopeless too imo.
Cheap dataproviders provide poor data imo. If
algos find strange oppertunities i know data is shit.
And my algos determine poor data very well.
Fighting agains poor data with manually coded validity filters is hopeless too imo.
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