存托信托公司(DTC), DTCC的中央证券存管子公司, 为几乎所有股权提供结算服务, 公司债券和市政债券在纽约证券交易所进行交易, NASDAQ, 美国的区域交换和电子通信网络(ecn).S. 大约1.每天结算相关交易400万笔, 价值约6000亿美元, 在DTC完成.
该服务允许收集/支付参与者的净义务和信贷, 通过其结算银行通过美联储的NSS系统.
使用抵押品和净借方上限风险管理控制, DTC的结算系统保护其参与者免受DTC最大参与者或附属家族未能结算的信用和流动性风险.
DTC的结算服务为参与者提供了多种结算能力, including but not limited to: settlement of securities transaction through Deliver Orders (DOs); collection of option contract premiums by processing Premium Payment Orders (PPOs); collection of stock loan mark-to-markets on open contracts by processing Securities Payment Orders (SPOs); pledging securities to pledgees as collateral through the collateral loan system; pledging securities to the Options Clearing Corporation (OCC) to meet OCC margin requirements.