Invesco Mortgage Capital Inc. relies on $5.4 billion in repurchase agreement borrowings to finance its mortgage-backed securities portfolio. The short-term funding structure creates continuous rollover exposure for the mortgage REIT.
Repo markets provide daily financing for agency and non-agency MBS holdings. Lenders can withdraw liquidity or demand higher collateral margins during market stress. The Federal Reserve's quantitative tightening has reduced repo market capacity by $95 billion monthly through Treasury and MBS runoff.
Haircut increases force immediate collateral posting. A 5-point haircut jump on $5.4 billion in borrowings requires $270 million in cash or asset sales. Mortgage REITs typically operate with 7:1 to 10:1 leverage ratios, leaving minimal buffer for margin calls.
The March 2020 repo crisis demonstrated this vulnerability. Agency MBS spreads widened 120 basis points in two weeks as lenders pulled back. Several mortgage REITs faced margin calls exceeding $1 billion, forcing emergency asset sales at 15-20% discounts to pre-crisis prices.
Invesco Mortgage Capital holds residential and commercial mortgage-backed securities across agency and non-agency categories. Agency MBS typically receive lower repo haircuts due to government backing, but non-agency CMBS and credit-sensitive assets face haircuts of 10-25% in normal conditions.
Rising interest rates compound the rollover risk. The Fed's benchmark rate at 4.25-4.50% has increased repo borrowing costs by 425 basis points since March 2022. Net interest margins compress when asset yields lag funding cost increases.
Book value erosion accompanies forced liquidations. Mortgage REITs mark portfolios to market quarterly. Selling securities below carrying value crystallizes paper losses and reduces equity capital available to support remaining leverage.
Repo counterparty concentration adds risk. Major dealers include JPMorgan, Bank of America, and Barclays. A single lender reducing credit lines can trigger liquidity stress requiring rapid portfolio adjustments.
Credit-sensitive MBS face wider liquidation discounts than agency securities. Non-agency RMBS and CMBS lack government guarantees, creating 25-40% bid-ask spreads during distressed selling periods.