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2031","firstDelivery":"01 Jul 2031","lastDelivery":"31 Jul 2031"},{"contractMonth":"Sep 2031","productCode":"HGU31","firstTrade":"30 Jun 2026","lastTrade":"26 Sep 2031","settlement":"26 Sep 2031","expirationDate":{"timestamp":1946005200000,"dateOnlyLongFormat":"01 Sep 2031","default24":"09/01/2031, 00:00:00 CDT","default12":"09/01/2031, 12:00:00 AM CDT","verbose":"September 01, 2031 12:00:00 AM CDT"},"firstHolding":"-","lastHolding":"-","firstPosition":"28 Aug 2031","lastPosition":"29 Sep 2031","firstNotice":"29 Aug 2031","lastNotice":"29 Sep 2031","firstDelivery":"02 Sep 2031","lastDelivery":"30 Sep 2031"},{"contractMonth":"Dec 2031","productCode":"HGZ31","firstTrade":"30 Sep 2026","lastTrade":"29 Dec 2031","settlement":"29 Dec 2031","expirationDate":{"timestamp":1953871200000,"dateOnlyLongFormat":"01 Dec 2031","default24":"12/01/2031, 00:00:00 CST","default12":"12/01/2031, 12:00:00 AM CST","verbose":"December 01, 2031 12:00:00 AM CST"},"firstHolding":"-","lastHolding":"-","firstPosition":"26 Nov 2031","lastPosition":"30 Dec 2031","firstNotice":"28 Nov 2031","lastNotice":"30 Dec 2031","firstDelivery":"01 Dec 2031","lastDelivery":"31 Dec 2031"}]