jgrusewski 9642ad3156 feat(surfer): crypto VRP diversifier check — first real diversifier, but tail+decay ...

Vol-risk-premium (short-vol BTC+ETH, Deribit DVOL implied minus realized, short-variance
daily P&L proxy). VRP Sharpe +1.03, CORRELATION to momentum -0.03 (genuinely uncorrelated),
combined +1.22 (~doubles momentum-alone +0.66). FIRST genuine diversifier found -- has BOTH
edge AND low-corr (futures trend had corr but no edge -> diluted). CAVEATS: (1) catastrophic
negative skew -8.32, worst-day -21sigma (short-vol blowup risk; Sharpe flatters; must
tail-manage + size small) (2) recent decay -- negative 2025/2026 (+1.22 is a 2021-24 artifact).
Real and promising, categorically better than futures, but pursue carefully not naive deploy.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

2026-06-06 17:13:06 +02:00

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