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Contract OI history

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Dec 18, 2026 EXPIRATION

GCO $35.00 Call

GCO261218C00035000

Latest saved OI1,842Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GCO $35.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,8429210 2026-10-02: 1,842 OI2026-10-05: 1,842 OI2026-10-06: 1,842 OI2026-10-07: 1,842 OI2026-10-08: 1,842 OI2026-10-09: 1,842 OI2026-10-13: 1,842 OI2026-10-14: 1,842 OI2026-10-16: 1,842 OI2026-10-20: 1,842 OI2026-10-23: 1,842 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

GCO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,8420
Oct 20, 20261,8420
Oct 16, 20261,8420
Oct 14, 20261,8420
Oct 13, 20261,8420
Oct 09, 20261,8420
Oct 08, 20261,8420
Oct 07, 20261,8420
Oct 06, 20261,8420
Oct 05, 20261,8420
Oct 02, 20261,842No prior observation