OITracker Cboe delayed data

Contract OI history

Back to IBM

Jan 21, 2028 EXPIRATION

IBM $185.00 Put

IBM280121P00185000

Latest saved OI583Oct 23, 2026
Last change+3vs 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. 5832910 2026-10-02: 532 OI2026-10-05: 532 OI2026-10-06: 533 OI2026-10-07: 533 OI2026-10-08: 533 OI2026-10-09: 581 OI2026-10-13: 580 OI2026-10-14: 580 OI2026-10-15: 580 OI2026-10-16: 580 OI2026-10-21: 580 OI2026-10-23: 583 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, 2026Viewing583+3
Oct 21, 20265800
Oct 16, 20265800
Oct 15, 20265800
Oct 14, 20265800
Oct 13, 2026580-1
Oct 09, 2026581+48
Oct 08, 20265330
Oct 07, 20265330
Oct 06, 2026533+1
Oct 05, 20265320
Oct 02, 2026532No prior observation