Backtest which weekday produces the best intraday short returns on leveraged ETFs.
Short at the selected weekday’s open, cover at that same day’s close.
Tests each weekday’s intraday short return in isolation.
Filters trades by the VIX regime on the day of entry.
< 20: calm regime — often tough for shorts as trends grind upward.
20-30: elevated, choppier tape where shorts can find edge.
> 30: crisis regime — sharpest drawdowns but snap-back rallies can whipsaw.
Scans every weekday (Mon–Fri) under the current VIX Regime and selects the day with the highest CAGR for the intraday-short strategy.