USDT-M Perpetual Futures (Binance) Binance USDT-margined perpetual futures historical data, including OHLCV klines, mark / index / premium-index prices, open-interest & long/short ratios, and funding rates. Auto-updated daily from the official Binance public data mirror. 每日从 Binance 官方数据镜像自动更新。 Usage Data is stored as Parquet in per-symbol subdirectories. import pandas as