OITracker Cboe delayed data

Contract OI history

Back to BMO

Jan 15, 2027 EXPIRATION

BMO $115.00 Put

BMO270115P00115000

Latest saved OI314Oct 21, 2026
Last change0vs previous saved observation
Saved market days11Oct 01, 2026 onwards
Daily open interest Hover a point for its date and OI
BMO $115.00 put open interest history 11 saved observations from 2026-10-01 to 2026-10-21. Exact values and changes are listed in the table below. 3141570 2026-10-01: 314 OI2026-10-02: 314 OI2026-10-05: 314 OI2026-10-06: 314 OI2026-10-07: 314 OI2026-10-08: 314 OI2026-10-09: 314 OI2026-10-13: 314 OI2026-10-14: 314 OI2026-10-16: 314 OI2026-10-21: 314 OI Oct 01, 2026Oct 21, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

BMO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 21, 2026Viewing3140
Oct 16, 20263140
Oct 14, 20263140
Oct 13, 20263140
Oct 09, 20263140
Oct 08, 20263140
Oct 07, 20263140
Oct 06, 20263140
Oct 05, 20263140
Oct 02, 20263140
Oct 01, 2026314No prior observation