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Contract OI history

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Dec 18, 2026 EXPIRATION

GEOS $7.50 Call

GEOS261218C00007500

Latest saved OI656Oct 23, 2026
Last change+151vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
GEOS $7.50 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 6563280 2026-10-08: 296 OI2026-10-09: 310 OI2026-10-13: 391 OI2026-10-14: 453 OI2026-10-16: 471 OI2026-10-20: 505 OI2026-10-23: 656 OI Oct 08, 2026Oct 23, 2026

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

GEOS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing656+151
Oct 20, 2026505+34
Oct 16, 2026471+18
Oct 14, 2026453+62
Oct 13, 2026391+81
Oct 09, 2026310+14
Oct 08, 2026296No prior observation