Perpetual futures funding rates and open interest (Hyperliquid), live: the 10 perps with the most extreme funding rate now (over $1M 24h volume), each with annualized funding APR and open interest in USD, plus the current funding rate for a BTC/ETH/SOL/HYPE/NEAR/AAVE watchlist. Use it to spot crowded longs or shorts, squeeze risk and funding-carry candidates. For one perp's full funding + OI snapshot use /perps/{symbol}. JSON. Free sample: /samples/funding. $0.0025 USDC per call on Base.

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