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Contract OI history

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Jun 17, 2027 EXPIRATION

IBM $240.00 Put

IBM270617P00240000

Latest saved OI384Oct 23, 2026
Last change-19vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
IBM $240.00 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. 4032010 2026-10-02: 380 OI2026-10-05: 380 OI2026-10-06: 383 OI2026-10-07: 383 OI2026-10-08: 383 OI2026-10-09: 391 OI2026-10-13: 388 OI2026-10-14: 388 OI2026-10-15: 388 OI2026-10-16: 388 OI2026-10-21: 403 OI2026-10-23: 384 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, 2026Viewing384-19
Oct 21, 2026403+15
Oct 16, 20263880
Oct 15, 20263880
Oct 14, 20263880
Oct 13, 2026388-3
Oct 09, 2026391+8
Oct 08, 20263830
Oct 07, 20263830
Oct 06, 2026383+3
Oct 05, 20263800
Oct 02, 2026380No prior observation