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Contract OI history

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Nov 20, 2026 EXPIRATION

BMO $200.00 Put

BMO261120P00200000

Latest saved OI0Oct 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 $200.00 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. 10 2026-10-01: 0 OI2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 0 OI2026-10-07: 0 OI2026-10-08: 0 OI2026-10-09: 0 OI2026-10-13: 0 OI2026-10-14: 0 OI2026-10-16: 0 OI2026-10-21: 0 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, 2026Viewing00
Oct 16, 202600
Oct 14, 202600
Oct 13, 202600
Oct 09, 202600
Oct 08, 202600
Oct 07, 202600
Oct 06, 202600
Oct 05, 202600
Oct 02, 202600
Oct 01, 20260No prior observation