This Market Measure segment explored the relationship between theta and vega in options trading, revealing counterintuitive dynamics in high IV environments. Analysis of SPY strangles from 2020 to present demonstrated that high IVR trades benefit from both faster time decay and reduced volatility risk.
Key findings showed 16-delta SPY strangles have higher initial theta and lower vega exposure when volatility is elevated. The presenters explained that although selling premium during high volatility seems counterintuitive, these trades benefit from exaggerated fear pricing and positions being farther out-of-the-money.
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