Following the Fed's seventh consecutive rate hold, 30-year Treasury yields jumped up to 14 basis points to nearly 5.23%, the highest level in 19 years, as markets priced in eventual rate hikes under Chair Warsh. Simultaneously, fresh US strikes on Iran following an attack on American forces in Jordan amplified a flight away from risk assets, weakening the dollar and pushing inflation expectations higher.
For Armada's traditional repo desk, the sudden repricing of long-duration Treasuries is a direct collateral risk event. Counterparties including hedge funds and primary dealers operating under MRA/GMRA terms may face margin calls or request haircut renegotiation. Geopolitical escalation also elevates mid-quarter stress scenarios that should be stress-tested against current collateral pools.