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Contract OI history

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Oct 23, 2026 EXPIRATION

IBM $225.00 Put

IBM261023P00225000

Latest saved OI1,622Oct 23, 2026
Last change-40vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
IBM $225.00 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. 1,6628310 2026-10-02: 318 OI2026-10-05: 359 OI2026-10-06: 399 OI2026-10-07: 399 OI2026-10-08: 398 OI2026-10-09: 461 OI2026-10-13: 473 OI2026-10-14: 473 OI2026-10-15: 479 OI2026-10-16: 486 OI2026-10-21: 1,662 OI2026-10-23: 1,622 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, 2026Viewing1,622-40
Oct 21, 20261,662+1,176
Oct 16, 2026486+7
Oct 15, 2026479+6
Oct 14, 20264730
Oct 13, 2026473+12
Oct 09, 2026461+63
Oct 08, 2026398-1
Oct 07, 20263990
Oct 06, 2026399+40
Oct 05, 2026359+41
Oct 02, 2026318No prior observation