How leverage on Polymarket Perps works: 20x and 10x tiers, margin, maintenance, and exactly how liquidation happens.
Limits are set per contract and change over time. The largest contracts list the highest maximums — BTC lists up to 50x — while smaller and stock contracts list less. The live contract always shows its current maximum, so check there before sizing a position.
At 20x, a 5% move against you consumes your margin. At 10x, a 10% move does. Reported maintenance margin on a 20x market is 2.5%: when account equity falls below the maintenance threshold, positions are force-closed — that is liquidation, and your collateral in the position is gone.
Isolated margin (risk ring-fenced per position) is the default; cross-margin — one balance backing many positions, shared with your prediction-market balance — is available and powerful, but a single bad position can then drain the whole account. Beginners: isolated, 1–3x, defined exit before entry.
One balance for prediction markets and perps. Check the live contract, start at low leverage, and size small while you learn.
Open Polymarket Perps