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Contract OI history

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Dec 18, 2026 EXPIRATION

IBM $220.00 Put

IBM261218P00220000

Latest saved OI4,404Oct 23, 2026
Last change-437vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
IBM $220.00 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. 4,9752,4870 2026-10-02: 4,841 OI2026-10-05: 4,867 OI2026-10-06: 4,922 OI2026-10-07: 4,922 OI2026-10-08: 4,975 OI2026-10-09: 4,919 OI2026-10-13: 4,922 OI2026-10-14: 4,922 OI2026-10-15: 4,922 OI2026-10-16: 4,917 OI2026-10-21: 4,841 OI2026-10-23: 4,404 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, 2026Viewing4,404-437
Oct 21, 20264,841-76
Oct 16, 20264,917-5
Oct 15, 20264,9220
Oct 14, 20264,9220
Oct 13, 20264,922+3
Oct 09, 20264,919-56
Oct 08, 20264,975+53
Oct 07, 20264,9220
Oct 06, 20264,922+55
Oct 05, 20264,867+26
Oct 02, 20264,841No prior observation