Prime Trading, LLC
Christopher Ries is an experienced professional in the trading industry, currently serving as the Head of Index Option Market Making at Prime Trading, LLC since June 2025. Prior to this role, Christopher spent nearly 20 years at Walleye Trading, where the focus was on market-making in equities, equity and index options, futures, and volatility instruments, culminating in a position as Trader/Risk Manager. Christopher holds a Master's degree in Physics from the University of Illinois Chicago and a Bachelor's degree in Physics from the University of Illinois Urbana-Champaign.
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