How Is a Warehouse Margin Call Calculated, and What Does a Mortgage Seller Owe When One Lands?
How is a warehouse margin call calculated? In a warehouse line documented as a repurchase facility, the lender subtracts the collateral value it assigns to the purchased mortgage loans from a margin amount derived from the funding outstanding, and the shortfall is the margin deficit the seller must eliminate. Under the Master Repurchase Agreement, September…

