OITracker Cboe delayed data

Contract OI history

Back to GEOS

Mar 19, 2027 EXPIRATION

GEOS $5.00 Call

GEOS270319C00005000

Latest saved OI123Oct 23, 2026
Last change+30vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
GEOS $5.00 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. 123610 2026-10-08: 73 OI2026-10-09: 88 OI2026-10-13: 88 OI2026-10-14: 88 OI2026-10-16: 93 OI2026-10-20: 93 OI2026-10-23: 123 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, 2026Viewing123+30
Oct 20, 2026930
Oct 16, 202693+5
Oct 14, 2026880
Oct 13, 2026880
Oct 09, 202688+15
Oct 08, 202673No prior observation