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Contract OI history

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Dec 18, 2026 EXPIRATION

IBM $270.00 Put

IBM261218P00270000

Latest saved OI765Oct 23, 2026
Last change-3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
IBM $270.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 7903950 2026-10-02: 790 OI2026-10-05: 789 OI2026-10-06: 781 OI2026-10-07: 781 OI2026-10-08: 781 OI2026-10-09: 781 OI2026-10-13: 779 OI2026-10-14: 779 OI2026-10-15: 779 OI2026-10-16: 779 OI2026-10-21: 768 OI2026-10-23: 765 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

IBM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing765-3
Oct 21, 2026768-11
Oct 16, 20267790
Oct 15, 20267790
Oct 14, 20267790
Oct 13, 2026779-2
Oct 09, 20267810
Oct 08, 20267810
Oct 07, 20267810
Oct 06, 2026781-8
Oct 05, 2026789-1
Oct 02, 2026790No prior observation