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Contract OI history

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Nov 20, 2026 EXPIRATION

IBM $255.00 Put

IBM261120P00255000

Latest saved OI757Oct 23, 2026
Last change-24vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
IBM $255.00 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. 8234110 2026-10-02: 761 OI2026-10-05: 755 OI2026-10-06: 730 OI2026-10-07: 730 OI2026-10-08: 727 OI2026-10-09: 776 OI2026-10-13: 823 OI2026-10-14: 823 OI2026-10-15: 822 OI2026-10-16: 821 OI2026-10-21: 781 OI2026-10-23: 757 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, 2026Viewing757-24
Oct 21, 2026781-40
Oct 16, 2026821-1
Oct 15, 2026822-1
Oct 14, 20268230
Oct 13, 2026823+47
Oct 09, 2026776+49
Oct 08, 2026727-3
Oct 07, 20267300
Oct 06, 2026730-25
Oct 05, 2026755-6
Oct 02, 2026761No prior observation