Gondor, a DeFi startup focused on prediction market trading, has introduced Gondor v1 — a non-custodial margin account that allows users to borrow against their entire Polymarket portfolios and use the credit to open new positions. The product, which shifts from an earlier isolated-lending model to a cross-margining structure, is set to enter private access next week before a full public launch in September.
The initial beta phase, which ran for seven months, attracted over 150,000 waitlist sign-ups. From that pool, Gondor selected 1,000 of Polymarket’s most active traders to test the isolated lending feature. The original model allowed borrowing against individual positions but proved difficult to scale. Gondor cited gap risk — where binary prediction markets can move sharply and leave lenders exposed if collateral value collapses — as a key limitation. The team stated that maintaining sustainability forced them to restrict leveraged markets, cap exposure, and shorten loan durations, creating a tradeoff between lender safety and borrower flexibility.
Gondor v1 addresses this by implementing cross-margining, a method widely used in traditional prime brokerage. Instead of evaluating each position separately, the system assesses the health of a user’s entire portfolio. This should let the platform extend more credit at lower rates, support a broader range of markets, and allow positions to remain open through event resolution. Unlike custodial solutions, Gondor does not take control of user assets — Polymarket shares remain in unified, non-custodial margin accounts that generate a borrowing line used for direct purchases on the platform.
The launch underscores a broader push to bring professional trading infrastructure to prediction markets. Regulators and institutions are increasingly focused on platforms like Polymarket and Kalshi, while Backpack Exchange has also experimented with unified prediction portfolios and cross-margining. Gondor’s v1 could improve capital efficiency by freeing locked collateral, potentially deepening liquidity across more prediction markets. However, the use of leverage also magnifies risk, especially in binary outcome markets that can move abruptly when new information emerges. The company’s ability to manage liquidations, collateral ratios, and rate models will be critical if the product gains mass adoption.