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Contract OI history

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Jan 15, 2027 EXPIRATION

IBM $155.00 Put

IBM270115P00155000

Latest saved OI635Oct 23, 2026
Last change+5vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
IBM $155.00 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. 6353170 2026-10-02: 625 OI2026-10-05: 625 OI2026-10-06: 624 OI2026-10-07: 624 OI2026-10-08: 624 OI2026-10-09: 621 OI2026-10-13: 621 OI2026-10-14: 621 OI2026-10-15: 631 OI2026-10-16: 630 OI2026-10-21: 630 OI2026-10-23: 635 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, 2026Viewing635+5
Oct 21, 20266300
Oct 16, 2026630-1
Oct 15, 2026631+10
Oct 14, 20266210
Oct 13, 20266210
Oct 09, 2026621-3
Oct 08, 20266240
Oct 07, 20266240
Oct 06, 2026624-1
Oct 05, 20266250
Oct 02, 2026625No prior observation