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Contract OI history

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Nov 20, 2026 EXPIRATION

IBM $240.00 Put

IBM261120P00240000

Latest saved OI931Oct 23, 2026
Last change+205vs 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. 9314650 2026-10-02: 752 OI2026-10-05: 752 OI2026-10-06: 733 OI2026-10-07: 733 OI2026-10-08: 733 OI2026-10-09: 731 OI2026-10-13: 731 OI2026-10-14: 731 OI2026-10-15: 728 OI2026-10-16: 734 OI2026-10-21: 726 OI2026-10-23: 931 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, 2026Viewing931+205
Oct 21, 2026726-8
Oct 16, 2026734+6
Oct 15, 2026728-3
Oct 14, 20267310
Oct 13, 20267310
Oct 09, 2026731-2
Oct 08, 20267330
Oct 07, 20267330
Oct 06, 2026733-19
Oct 05, 20267520
Oct 02, 2026752No prior observation