OITracker Cboe delayed data

Contract OI history

Back to IBM

Dec 18, 2026 EXPIRATION

IBM $185.00 Put

IBM261218P00185000

Latest saved OI894Oct 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 $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. 8964480 2026-10-02: 818 OI2026-10-05: 819 OI2026-10-06: 831 OI2026-10-07: 831 OI2026-10-08: 855 OI2026-10-09: 859 OI2026-10-13: 896 OI2026-10-14: 896 OI2026-10-15: 895 OI2026-10-16: 895 OI2026-10-21: 892 OI2026-10-23: 894 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, 2026Viewing894+2
Oct 21, 2026892-3
Oct 16, 20268950
Oct 15, 2026895-1
Oct 14, 20268960
Oct 13, 2026896+37
Oct 09, 2026859+4
Oct 08, 2026855+24
Oct 07, 20268310
Oct 06, 2026831+12
Oct 05, 2026819+1
Oct 02, 2026818No prior observation