Mr. Matalka is head of Trading Operations and Margin Services. He oversees order management in equities, equity options and futures as well as relationships with market makers and U.S. exchanges including representing the firm on market structure issues in options and equities. In addition, Mr. Matalka oversees the firm’s margin book where he leads teams that manage intra-day risk for portfolio margin and Regulation T, collaborates with credit risk modeling teams and leads the technology platform team for the firm’s margin systems.
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