Perform reconciliation of modeled output and update where appropriate: analysis is performed using proprietary OCC tools/applications which assist in identifying and correcting instances of price arbitrage and other pricing irregularities; products include equity, index, government security, and derivative prices (i.e., options, futures, and futures options) as well as all derivative price inputs (e.g., dividend, interest rates, exchange rates); provide final approval and sign off for transmission to downstream processes (e.g., model calibration, theoretical computations, margin calculations). Responsibilities include: all activities supporting performed to ensure the integrity of all Price Data (used for Risk Management and Core Clearing processes) and all activities performed to support SEC and CFTC regulated customer margin / haircut programs (including Risk Based Haircuts/Customer Portfolio Margin ("RBH/CPM"), and OFRA/SPAN).