“…Christoffersen, Fournier, and Jacobs (2018a) show that equity options display a strong factor structure, which is highly correlated to volatility, skew and term structure of S&P500 index options. Christoffersen, Goyenko, Jacobs, and Karoui (2018b) include illiquidity premia in option valuation models and Kanne, Korn, and Uhrig-Homburg (2020) find that these premia are negative (positive) if there is net buying (selling) pressure. Ramachandran and Tayal (2021) examine the impact of short-sale constraints on the pricing of options.…”