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Contract OI history

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Dec 18, 2026 EXPIRATION

GEOS $10.00 Call

GEOS261218C00010000

Latest saved OI842Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
GEOS $10.00 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. 8424210 2026-10-08: 841 OI2026-10-09: 841 OI2026-10-13: 842 OI2026-10-14: 842 OI2026-10-16: 842 OI2026-10-20: 842 OI2026-10-23: 842 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, 2026Viewing8420
Oct 20, 20268420
Oct 16, 20268420
Oct 14, 20268420
Oct 13, 2026842+1
Oct 09, 20268410
Oct 08, 2026841No prior observation