Historical [ENT]

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 year.

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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 year with a 1 day frequency.

RESPONSE DATA

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