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Contract OI history

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Mar 19, 2027 EXPIRATION

GCO $25.00 Put

GCO270319P00025000

Latest saved OI503Oct 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 $25.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 5032510 2026-10-02: 503 OI2026-10-05: 503 OI2026-10-06: 503 OI2026-10-07: 503 OI2026-10-08: 503 OI2026-10-09: 503 OI2026-10-13: 503 OI2026-10-14: 503 OI2026-10-16: 503 OI2026-10-20: 503 OI2026-10-23: 503 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, 2026Viewing5030
Oct 20, 20265030
Oct 16, 20265030
Oct 14, 20265030
Oct 13, 20265030
Oct 09, 20265030
Oct 08, 20265030
Oct 07, 20265030
Oct 06, 20265030
Oct 05, 20265030
Oct 02, 2026503No prior observation