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Contract OI history

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Jan 15, 2027 EXPIRATION

IBM $185.00 Put

IBM270115P00185000

Latest saved OI601Oct 23, 2026
Last change-31vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
IBM $185.00 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. 6353170 2026-10-02: 632 OI2026-10-05: 632 OI2026-10-06: 633 OI2026-10-07: 633 OI2026-10-08: 634 OI2026-10-09: 634 OI2026-10-13: 635 OI2026-10-14: 635 OI2026-10-15: 635 OI2026-10-16: 635 OI2026-10-21: 632 OI2026-10-23: 601 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, 2026Viewing601-31
Oct 21, 2026632-3
Oct 16, 20266350
Oct 15, 20266350
Oct 14, 20266350
Oct 13, 2026635+1
Oct 09, 20266340
Oct 08, 2026634+1
Oct 07, 20266330
Oct 06, 2026633+1
Oct 05, 20266320
Oct 02, 2026632No prior observation