Cross-exchange perpetual funding-rate spread for a symbol across OKX, Bybit and Binance

Cross-exchange perpetual funding-rate spread for a symbol across OKX, Bybit and Binance. Returns each venue funding rate, annualized, the cheapest and most expensive venue, the spread and a cash-and-carry funding arbitrage hint. Live aggregated derivatives data for funding arb and perp venue selection. funding rate arbitrage, perp funding, cross exchange spread, basis trade