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Contract OI history

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Mar 19, 2027 EXPIRATION

GEOS $7.50 Call

GEOS270319C00007500

Latest saved OI312Oct 23, 2026
Last change+20vs 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. 3121560 2026-10-08: 168 OI2026-10-09: 242 OI2026-10-13: 242 OI2026-10-14: 256 OI2026-10-16: 256 OI2026-10-20: 292 OI2026-10-23: 312 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, 2026Viewing312+20
Oct 20, 2026292+36
Oct 16, 20262560
Oct 14, 2026256+14
Oct 13, 20262420
Oct 09, 2026242+74
Oct 08, 2026168No prior observation