The US Equity Options Trade and Quote Daily Bar dataset provides the time, price, and size of daily open, high, low, and close for bid/ask/trade. For CBOE proprietary index options, indicative bid and ask data is provided. Additionally, Curb session close bid and ask details are available for SPX, VIX, and XSP options.

Sourced from OPRA feed, the dataset encompasses data from all the sixteen Options exchanges. Timestamps are in millisecond precision. Data files are organized by date and the underlying ticker. All option contracts for the same underlying asset are consolidated into one daily file.