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Contract OI history

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Jun 17, 2027 EXPIRATION

IBM $225.00 Put

IBM270617P00225000

Latest saved OI329Oct 23, 2026
Last change+2vs 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. 3291640 2026-10-02: 299 OI2026-10-05: 299 OI2026-10-06: 301 OI2026-10-07: 301 OI2026-10-08: 301 OI2026-10-09: 301 OI2026-10-13: 320 OI2026-10-14: 320 OI2026-10-15: 320 OI2026-10-16: 318 OI2026-10-21: 327 OI2026-10-23: 329 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, 2026Viewing329+2
Oct 21, 2026327+9
Oct 16, 2026318-2
Oct 15, 20263200
Oct 14, 20263200
Oct 13, 2026320+19
Oct 09, 20263010
Oct 08, 20263010
Oct 07, 20263010
Oct 06, 2026301+2
Oct 05, 20262990
Oct 02, 2026299No prior observation