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Contract OI history

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Dec 18, 2026 EXPIRATION

IBM $215.00 Put

IBM261218P00215000

Latest saved OI724Oct 23, 2026
Last change-23vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
IBM $215.00 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. 7473730 2026-10-02: 614 OI2026-10-05: 624 OI2026-10-06: 640 OI2026-10-07: 640 OI2026-10-08: 653 OI2026-10-09: 671 OI2026-10-13: 714 OI2026-10-14: 714 OI2026-10-15: 710 OI2026-10-16: 710 OI2026-10-21: 747 OI2026-10-23: 724 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, 2026Viewing724-23
Oct 21, 2026747+37
Oct 16, 20267100
Oct 15, 2026710-4
Oct 14, 20267140
Oct 13, 2026714+43
Oct 09, 2026671+18
Oct 08, 2026653+13
Oct 07, 20266400
Oct 06, 2026640+16
Oct 05, 2026624+10
Oct 02, 2026614No prior observation