If you are looking to use the End Of Day US Options Price data feed in Excel, you'll want to look up the contract identifiers to use in your formulas. An options contract identifier Microsoft would look like this:


You'll notice Microsoft's ticker symbol at the beginning followed by a unique identifier made up of a long series of numbers and letters. 

To get all of a company's options contracts (and their identifiers) use this API call:


Or request a bulk download of options contracts from our sales team.

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