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Contract OI history

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Jan 21, 2028 EXPIRATION

GEO $40.00 Call

GEO280121C00040000

Latest saved OI876Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GEO $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. 8764380 2026-10-02: 809 OI2026-10-05: 853 OI2026-10-06: 853 OI2026-10-07: 853 OI2026-10-08: 853 OI2026-10-09: 853 OI2026-10-13: 853 OI2026-10-14: 876 OI2026-10-16: 876 OI2026-10-21: 876 OI2026-10-23: 876 OI Oct 02, 2026Oct 23, 2026

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

GEO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing8760
Oct 21, 20268760
Oct 16, 20268760
Oct 14, 2026876+23
Oct 13, 20268530
Oct 09, 20268530
Oct 08, 20268530
Oct 07, 20268530
Oct 06, 20268530
Oct 05, 2026853+44
Oct 02, 2026809No prior observation