US Options Trade Only

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The U.S. Options Trade-Only dataset provides tick-level executed options trades derived from the consolidated Options Price Reporting Authority (OPRA) feed, with trade-anchored market context captured at the time of each execution. Each record includes the executed trade price, size, timestamp, originating exchange, and trade condition codes, along with the prevailing National Best Bid and Offer (NBBO), including bid/ask price, size, and condition, as observed at the moment of the trade. This enables accurate analysis of execution quality, trade aggressiveness, and market state at execution time, without the overhead of a full quote stream. To support option-to-underlying relationship analysis, the dataset also includes underlying asset reference data (bid, ask, and last trade price, size, and timestamp) aligned to the option trade event. Coverage spans all U.S. equity options exchanges reporting via OPRA.