
All Correlations Go to One: David Romeo on Double Calendars and Tail Risk
David Romeo had 10 double calendars that looked uncorrelated until one move hit them all. Here is how he now builds a portfolio around tail risk instead.
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7 posts tagged Automation.

David Romeo had 10 double calendars that looked uncorrelated until one move hit them all. Here is how he now builds a portfolio around tail risk instead.
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Tom Lei went from WSB-era long calls to SPX calendars and double diagonals: two risk pillars, why he rarely worries about win rate, and his backtested target.
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Tom Sosnoff tells Dan Sheridan why he barely trades 0DTE, why 30+ days is his wheelhouse, and how he thinks about automation and position size.
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Eric O'Rourke's Trend Spread Engine ranks intraday entry times for 0DTE SPX credit spreads by 90-day win rate. Eric backtested its top slot in Option Omega.
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XSP was added to the Option Omega automation platform in April 2026. Why its liquidity differs from SPX and SPY, and how Matt builds an SPX proxy for it.
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Is 0DTE dead? Part 3 backtests a 0DTE SPX iron condor that enters only when the opening range holds. It won 80% of trades in the 90 days before the video.
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We automated a QQQ double calendar and compared eight weeks of live trades with the backtest, looking at strike selection, fills, and exit timing.
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