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Contract OI history

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Dec 18, 2026 EXPIRATION

GEOS $10.00 Put

GEOS261218P00010000

Latest saved OI741Oct 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 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 1,0185090 2026-10-08: 1,018 OI2026-10-09: 1,018 OI2026-10-13: 1,018 OI2026-10-14: 754 OI2026-10-16: 754 OI2026-10-20: 741 OI2026-10-23: 741 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, 2026Viewing7410
Oct 20, 2026741-13
Oct 16, 20267540
Oct 14, 2026754-264
Oct 13, 20261,0180
Oct 09, 20261,0180
Oct 08, 20261,018No prior observation