Volume and Open Interest Columns Explained


Globex is CME Group’s electronic trading platform. The number in this column represents the number of contracts traded electronically.
Learn more about Globex.

Open Outcry

Open outcry represents CME Group’s trading floor. The number in this column represents the number of contracts traded on one of CME Group’s trading floors. Open Outcry Futures reflect those transacted as covered option packages, as well as S&P futures where applicable.


(Privately Negotiated Trades): ClearPort is CME Group’s clearing service for Over-The-Counter markets. PNT is an acronym for Privately Negotiated Trades, which may be reported through ClearPort or directly into CME Clearing. The number in this column represents the total number of Ex-Pit transactions, or transactions that were completed outside of Globex or Open Outcry trading venues.

Learn more about ClearPort.


The number in this column represents the number of contracts traded on the selected date for all CME Group venues (Globex, Open Outcry, ClearPort/PNT, and all other executions).

Open Interest

Open interest represents the total number of contracts either long or short that have been entered into and not yet offset by delivery. Each open transaction has a buyer and seller, but for calculation of open interest, only one side of the contract is counted.


This column represents the day-over-day change in open interest.

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