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Contract OI history

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Dec 18, 2026 EXPIRATION

BMO $190.00 Call

BMO261218C00190000

Latest saved OI430Oct 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 $190.00 call open interest history 11 saved observations from 2026-10-01 to 2026-10-21. Exact values and changes are listed in the table below. 4302150 2026-10-01: 430 OI2026-10-02: 430 OI2026-10-05: 430 OI2026-10-06: 430 OI2026-10-07: 430 OI2026-10-08: 430 OI2026-10-09: 430 OI2026-10-13: 430 OI2026-10-14: 430 OI2026-10-16: 430 OI2026-10-21: 430 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, 2026Viewing4300
Oct 16, 20264300
Oct 14, 20264300
Oct 13, 20264300
Oct 09, 20264300
Oct 08, 20264300
Oct 07, 20264300
Oct 06, 20264300
Oct 05, 20264300
Oct 02, 20264300
Oct 01, 2026430No prior observation