
ALT Feature comparison. Left column: BitMEX, until 23 September 2026. Right column: LN Markets. Flagship contract: XBTUSD inverse perpetual / BTCUSD inverse perpetual, 1 contract = 1 USD, margin and P&L in sats. Max leverage: 100x / 100x. Margin modes: isolated and cross / isolated and cross. Funding: every 8 hours / every 8 hours at 00:00, 08:00 and 16:00 UTC, aggregated from Binance, Bybit and OKX, passed through 1:1. Order types: market, limit, stop loss, take profit, trailing stop / same. Deposits and withdrawals: on-chain BTC, confirmations required / Lightning in seconds, plus on-chain BTC and Liquid. API: REST and websocket / REST v3 and websocket streams, API keys with scoped permissions. Test environment: Testnet / Signet, same app, same API, test coins. Trading fee: taker 0.075% with maker rebate / 0.10% per trade, down to 0.06% on volume, one rate both sides, no rebate to chase.














