Gondor
USDC margin account for Polymarket positions

Gondor is a Polymarket margin and lending product. Its documentation describes depositing individual Polymarket positions as collateral, borrowing USDC up to a 50% loan-to-value ratio, dynamic interest caps, liquidation buffers, and automatic return of collateral after repayment. The public site is a v1 waitlist and does not publish a staffed office.