The U.S. Options Trade-Only Minute Bar dataset provides trade-derived, minute-level summaries for U.S. listed options, aggregated from executed trades disseminated via the Options Price Reporting Authority (OPRA). Each one-minute bar includes Open, High, Low, Close (OHLC) prices calculated from trades, along with Volume and VWAP for the interval. To support option-to-underlying relationship analysis, the dataset also provides the underlying asset’s bid and ask prices at the start and end of each minute. Coverage spans all U.S. equity options exchanges reporting via OPRA.
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