Depositing treasury securities into your account instead of cash to use as collateral for trading. Could someone explain (Treasuries as Trading Collateral for Dummies) how this works in the real world? Without any SIPC coverage in futures accounts, I am looking to protect what I have on deposit. Are the treasuries held in my name or street name? How much trading collateral is allocated for these deposits ( 75% 85%? 90%) and what type of margin interest does a firm charge? In the event of another MFG or PFG, does thios protect the client or are they still labeled general creditor and have to get in line with the rest? Thanks. Any insight provided would be appreciated.