Historical

Retrieves the historical time series open interest for the specified instrument and exchange(s).

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Time Range Limit

The maximum time range (difference between startDate and endDate) is 1 day.

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Not specifying startDate and endDate

If the startDate and endDate query parameters are not provided, the API will return the data from the previous 1 day with a 1 minute frequency.

RESPONSE DATA

FieldTypeDescription
exchangestringThe name of the exchange.
timestampnumber | stringThe time at which the event occurred.
valuenumberThe total outstanding number of contracts.
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