The Securities Investor Protection Corporation (SIPC) protects customers of broker-dealers registered with the United States Securities and Exchange Commission, thereby promoting confidence in United States securities markets. The protection is against losses caused by the financial failure of the broker-dealer, but not against a change in the market value of securities in customers' accounts at the broker-dealer. It is a nonprofit, membership corporation, funded by its member securities broker-dealers.

【美】证券投资人保护公司。保护在美国证管会注册之股市经纪人之客户，为防止因经纪人(或其所属机构)之财务状况而造成投资人损失，但是不保护因市场变化而造成投资人之损失。SIPC 是一非营利、会员制公司。