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by bri3d 1526 days ago
A margin loan is just a loan where securities are the collateral asset.

The major feature of a margin loan versus other types of loans collateralized by assets is that the value of the underlying security (collateral) is tracked and depending on the terms of the margin loan, the lender has the right to issue a "margin call" demanding additional collateral or cash if the underlying securities have declined in value. These rules, called "house requirements," vary from lender to lender.