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Open interest

Exchange open interest

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Market open interest Open interest Reports and data

Exchange open interest (EOI) shows the total number of clearing member ‘open’ (i.e. non-closed-out) positions (as well as volume).

EOI is published on a T+1 basis covering all metals and contract-types, by prompt and strike (for TAPOs and options).

EOI is published in CSV format.

All member and all client open positions are available in the Market Open Interest (MOI) Report.

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