It stands for initial margin; an amount of cash (broadly, monetary assets) that is deposited or collateral (eligible securities) that...

An amount of cash that is deposited or collateral (eligible securities) that is posted with a clearing house to ensure...

An amount of cash that is deposited or collateral (eligible securities) that is posted with a clearing house to ensure...

An amount of cash that is deposited or collateral (eligible securities) that is posted with a clearing house to ensure...