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Contract OI history

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Dec 18, 2026 EXPIRATION

CNQ $40.00 Put

CNQ261218P00040000

Latest saved OI864Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CNQ $40.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 9674830 2026-10-02: 967 OI2026-10-05: 967 OI2026-10-06: 967 OI2026-10-07: 866 OI2026-10-08: 866 OI2026-10-09: 866 OI2026-10-13: 866 OI2026-10-15: 864 OI2026-10-16: 864 OI2026-10-21: 864 OI2026-10-23: 864 OI Oct 02, 2026Oct 23, 2026

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

CNQ contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing8640
Oct 21, 20268640
Oct 16, 20268640
Oct 15, 2026864-2
Oct 13, 20268660
Oct 09, 20268660
Oct 08, 20268660
Oct 07, 2026866-101
Oct 06, 20269670
Oct 05, 20269670
Oct 02, 2026967No prior observation