A lot of huge contracts trades today. Among them, two trades are over $1B.

SPX221216C1000 x5,000 @ $3594.1 = $1.797B

SPX221216C2000 x5,000 @ $2617.35 = $1.308B

Our UOV system also detected more trade notables, for detail, please visit : https://cblstrategies.ca/zh/uov-reports-access/