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Contract OI history

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Jan 21, 2028 EXPIRATION

GEO $35.00 Put

GEO280121P00035000

Latest saved OI2,763Oct 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 $35.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2,7631,3810 2026-10-02: 1,360 OI2026-10-05: 1,361 OI2026-10-06: 1,361 OI2026-10-07: 1,361 OI2026-10-08: 1,361 OI2026-10-09: 1,361 OI2026-10-13: 2,063 OI2026-10-14: 2,763 OI2026-10-16: 2,763 OI2026-10-21: 2,763 OI2026-10-23: 2,763 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, 2026Viewing2,7630
Oct 21, 20262,7630
Oct 16, 20262,7630
Oct 14, 20262,763+700
Oct 13, 20262,063+702
Oct 09, 20261,3610
Oct 08, 20261,3610
Oct 07, 20261,3610
Oct 06, 20261,3610
Oct 05, 20261,361+1
Oct 02, 20261,360No prior observation