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Contract OI history

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Dec 18, 2026 EXPIRATION

IBM $240.00 Put

IBM261218P00240000

Latest saved OI950Oct 23, 2026
Last change+13vs 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. 9504750 2026-10-02: 787 OI2026-10-05: 782 OI2026-10-06: 793 OI2026-10-07: 793 OI2026-10-08: 794 OI2026-10-09: 773 OI2026-10-13: 778 OI2026-10-14: 778 OI2026-10-15: 778 OI2026-10-16: 778 OI2026-10-21: 937 OI2026-10-23: 950 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, 2026Viewing950+13
Oct 21, 2026937+159
Oct 16, 20267780
Oct 15, 20267780
Oct 14, 20267780
Oct 13, 2026778+5
Oct 09, 2026773-21
Oct 08, 2026794+1
Oct 07, 20267930
Oct 06, 2026793+11
Oct 05, 2026782-5
Oct 02, 2026787No prior observation