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Contract OI history

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Dec 18, 2026 EXPIRATION

GCO $40.00 Call

GCO261218C00040000

Latest saved OI997Oct 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 $40.00 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. 9974980 2026-10-02: 997 OI2026-10-05: 997 OI2026-10-06: 997 OI2026-10-07: 997 OI2026-10-08: 997 OI2026-10-09: 997 OI2026-10-13: 997 OI2026-10-14: 997 OI2026-10-16: 997 OI2026-10-20: 997 OI2026-10-23: 997 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, 2026Viewing9970
Oct 20, 20269970
Oct 16, 20269970
Oct 14, 20269970
Oct 13, 20269970
Oct 09, 20269970
Oct 08, 20269970
Oct 07, 20269970
Oct 06, 20269970
Oct 05, 20269970
Oct 02, 2026997No prior observation