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本页 6 段还没译成한국어，下面显示的是英文原文。Historical Option Data
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This API provides historical market data for options. Check the API Reference for the detailed descriptions of all the endpoints.
🚧 Data availability
Currently we only offer historical option data since February 2024.
Data sources
Similarly to stocks, Alpaca offers two different data sources for options:
| Source | Description |
|---|---|
| Indicative | Indicative Pricing Feed is a free derivative of the original OPRA feed: the quotes are not actual OPRA quotes, they’re just indicative derivatives. The trades are also derivatives and they’re delayed by 15 minutes. |
| OPRA (Options Price Reporting Authority) | OPRA is the consolidated BBO feed of OPRA. OPRA Plan defines the BBO as the highest bid and lowest offer for a series of options available in one or more of the options markets maintained by the parties. OPRA feed is only available to subscribed users. |
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