1-minute OHLCV(+OI) bars for NSE/BSE index spot and option chains: NIFTY, BANKNIFTY, SENSEX (~2021-2026). Powers the open-source TradeMarkk backtester (https://thetrademarkk.com). Educational use only. Provided as-is, no warranty. Verify against official exchange data before relying on it.

Structure

index/{SYMBOL}.parquet - 1-min spot OHLC per index. options/{SYMBOL}/{EXPIRY}.parquet - 1-min OHLC per option contract (with… See the full description on the dataset page: https://huggingface.co/datasets/thetrademarkk/india-index-options-1m.