Margin & Buying Power Engine

The Sarna Buying Power (BP) Engine is a service that provides end of day, intraday,

and real-time pre-trade buying power and margin calculations for securities and

complex derivatives. The engine seamlessly takes inputs such as account type,

existing and proposed positions, open orders and balances and outputs calculations

for pre-trade monitoring and settlement.

Intra-day Monitoring

Decrease liquidation and insolvency events while maintaining RegT, FINRA and SEC


Portfolio Margin

OCC TIMS standard files and reporting with custom house policies, open order stress

testing, custom shock testing and multiple add-ons

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