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Contract OI history

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Jan 15, 2027 EXPIRATION

GFS $40.00 Put

GFS270115P00040000

Latest saved OI2,697Oct 23, 2026
Last change-5vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
GFS $40.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2,7341,3670 2026-10-09: 2,734 OI2026-10-13: 2,716 OI2026-10-14: 2,716 OI2026-10-15: 2,705 OI2026-10-16: 2,699 OI2026-10-21: 2,702 OI2026-10-23: 2,697 OI Oct 09, 2026Oct 23, 2026

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

GFS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20262,697-5
Oct 21, 2026Viewing2,702+3
Oct 16, 20262,699-6
Oct 15, 20262,705-11
Oct 14, 20262,7160
Oct 13, 20262,716-18
Oct 09, 20262,734No prior observation