Scott Rubner’s October 14 market update reports a widening gap between single-stock and index implied volatility: average constituent one-month at-the-money volatility rose while the S&P 500 measure fell over the cited late-September-to-October interval. The note puts implied correlation at 7.6, near the first percentile of its history since 2006. That describes prices of risk, not a guaranteed dispersion-trade payoff; realized co-movement and implementation still matter. The data and bullish outlook are Citadel Securities’ observations, not Citadel hedge-fund performance. Market update, with observation dates