OITracker Cboe delayed data

Contract OI history

Back to IBM

Dec 18, 2026 EXPIRATION

IBM $235.00 Put

IBM261218P00235000

Latest saved OI646Oct 23, 2026
Last change+164vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
IBM $235.00 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. 6463230 2026-10-02: 311 OI2026-10-05: 311 OI2026-10-06: 315 OI2026-10-07: 315 OI2026-10-08: 315 OI2026-10-09: 316 OI2026-10-13: 370 OI2026-10-14: 370 OI2026-10-15: 378 OI2026-10-16: 412 OI2026-10-21: 482 OI2026-10-23: 646 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, 2026Viewing646+164
Oct 21, 2026482+70
Oct 16, 2026412+34
Oct 15, 2026378+8
Oct 14, 20263700
Oct 13, 2026370+54
Oct 09, 2026316+1
Oct 08, 20263150
Oct 07, 20263150
Oct 06, 2026315+4
Oct 05, 20263110
Oct 02, 2026311No prior observation