can, a 20% averge gain/year last 23 years strategy . be overfitted?

I have an option strategy over SPY options, i backtested it for last 23 years, i have not more data available, and avergage gains where 20%, wrost year -10% best year +150%. Max DrawnDown is 25%

I papertrade the strategy from JUL2020 and it gain 10% last 3 months, DrawDown 2%

Can be overfitted in 23 years?

Submitted September 30, 2020 at 05:36AM by optionexpert
via https://ift.tt/34fsjln

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