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Contract OI history

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Oct 23, 2026 EXPIRATION

IBM $215.00 Put

IBM261023P00215000

Latest saved OI1,676Oct 23, 2026
Last change+624vs 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. 1,6768380 2026-10-02: 320 OI2026-10-05: 395 OI2026-10-06: 403 OI2026-10-07: 403 OI2026-10-08: 606 OI2026-10-09: 635 OI2026-10-13: 1,019 OI2026-10-14: 1,019 OI2026-10-15: 916 OI2026-10-16: 999 OI2026-10-21: 1,052 OI2026-10-23: 1,676 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, 2026Viewing1,676+624
Oct 21, 20261,052+53
Oct 16, 2026999+83
Oct 15, 2026916-103
Oct 14, 20261,0190
Oct 13, 20261,019+384
Oct 09, 2026635+29
Oct 08, 2026606+203
Oct 07, 20264030
Oct 06, 2026403+8
Oct 05, 2026395+75
Oct 02, 2026320No prior observation