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Contract OI history

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Dec 18, 2026 EXPIRATION

BMO $165.00 Call

BMO261218C00165000

Latest saved OI40Oct 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 $165.00 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. 40200 2026-10-01: 11 OI2026-10-02: 11 OI2026-10-05: 12 OI2026-10-06: 12 OI2026-10-07: 12 OI2026-10-08: 16 OI2026-10-09: 16 OI2026-10-13: 16 OI2026-10-14: 16 OI2026-10-16: 40 OI2026-10-21: 40 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, 2026Viewing400
Oct 16, 202640+24
Oct 14, 2026160
Oct 13, 2026160
Oct 09, 2026160
Oct 08, 202616+4
Oct 07, 2026120
Oct 06, 2026120
Oct 05, 202612+1
Oct 02, 2026110
Oct 01, 202611No prior observation