- The VIX reads ~15 while the average S&P stock is priced to swing ~11% monthly versus the index ~4% - headline VIX understates the single-stock risk investors experience
- Idiosyncratic asynchrony and rising dispersion mean large-cap moves don’t align, so single-stock volatility cancels at index level - VIX mechanically subdued
- The VIX reads ~15 while the average S&P stock is priced to swing ~11% monthly versus the index ~4% - headline VIX understates the single-stock risk investors experience
- Idiosyncratic asynchrony and rising dispersion mean large-cap moves don’t align, so single-stock volatility cancels at index level - VIX mechanically subdued
- Dispersion trades sell index options and buy single-stock puts/calls, deepening the split; 0DTE accounted for roughly two-thirds of S&P options volume in July