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null-result

Forest plot of matched-pair median Δ Sharpe across three position-sizing A/B contrasts on the KreamEdge backtest bench: A→B (sigma flip, n=133) and A→C (claimed reopt, n=131) cluster at zero — null effects; C→D (16→11 score-weight pruning + retune, n=97) shows a robust regression at −0.67.
backtest

Position sizing on a real bench: why our A/B can’t cleanly tell fixed from sigma

Comparing fixed fractional, Kelly and sigma-targeting position sizing on a multi-version KreamEdge backtest bench. The bench cannot cleanly isolate a sizing edge.

By KreamEdge, 2 weeksMay 23, 2026 ago
Infographic: Market Regime Filter null result — 5-step pipeline (data, regime signal, filter, backtest, result) showing the regime filter did not improve performance
backtest

Market-regime filter null result — why an SPX percent-rank gate did not improve our quant backtests

We built a 3-state SPX percent-rank market-regime gate and tested it on 14 systematic quant backtests. None improved. The base rates and the structural reasons why — plus what to try next.

By KreamEdge, 3 weeks ago
Hestia | Developed by ThemeIsle

Disclaimer. Content on KreamEdge is published for informational and educational purposes only. Backtest results and strategy outputs do not constitute personalised investment advice nor an invitation to buy or sell any financial instrument. Past performance is not indicative of future results. Financial markets involve risk of partial or total capital loss. Each reader is solely responsible for their investment decisions and risk management. Full bilingual disclaimer on the community page.

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