OITracker Cboe delayed data

Contract OI history

Back to GEO

Jan 15, 2027 EXPIRATION

GEO $40.00 Call

GEO270115C00040000

Latest saved OI8,165Oct 23, 2026
Last change-1,764vs 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. 9,9784,9890 2026-10-02: 9,977 OI2026-10-05: 9,977 OI2026-10-06: 9,977 OI2026-10-07: 9,977 OI2026-10-08: 9,977 OI2026-10-09: 9,977 OI2026-10-13: 9,978 OI2026-10-14: 9,978 OI2026-10-16: 9,978 OI2026-10-21: 9,929 OI2026-10-23: 8,165 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, 2026Viewing8,165-1,764
Oct 21, 20269,929-49
Oct 16, 20269,9780
Oct 14, 20269,9780
Oct 13, 20269,978+1
Oct 09, 20269,9770
Oct 08, 20269,9770
Oct 07, 20269,9770
Oct 06, 20269,9770
Oct 05, 20269,9770
Oct 02, 20269,977No prior observation