Perp funding-rate check, deterministic. Answers "what is the funding rate for this coin right now", "am I paying or earning to hold this perp", "which venue has the best funding". One coin (or top markets by open interest): hourly funding, 8h-equivalent, annualized percent, open interest, mark price, premium — plus predicted funding across venues normalized to a comparable 24h rate. Keyless Hyperliquid public data. No LLM.

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