https://volatilitystreet.com/blog Edge isn't designed - it's selected. We apply the mechanism behind natural selection to find trading edge that survives out of sample. en-us tyler@volatilitystreet.com (Tyler Prahm) tyler@volatilitystreet.com (Tyler Prahm) Thu, 26 Mar 2026 00:00:00 GMT https://volatilitystreet.com/blog/you-skipped-a-step https://volatilitystreet.com/blog/you-skipped-a-step Your backtest worked. Your trading didn't. And you don't know why. Thu, 26 Mar 2026 00:00:00 GMT tyler@volatilitystreet.com (Tyler Prahm) backtestingstrategy-designvolatilitymarket-structure