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Contract OI history

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Dec 18, 2026 EXPIRATION

CNR $85.00 Put

CNR261218P00085000

Latest saved OI976Oct 23, 2026
Last change+23vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CNR $85.00 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. 9764880 2026-10-02: 955 OI2026-10-05: 955 OI2026-10-06: 955 OI2026-10-07: 955 OI2026-10-08: 955 OI2026-10-09: 954 OI2026-10-13: 954 OI2026-10-14: 954 OI2026-10-16: 953 OI2026-10-20: 953 OI2026-10-23: 976 OI Oct 02, 2026Oct 23, 2026

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

CNR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing976+23
Oct 20, 20269530
Oct 16, 2026953-1
Oct 14, 20269540
Oct 13, 20269540
Oct 09, 2026954-1
Oct 08, 20269550
Oct 07, 20269550
Oct 06, 20269550
Oct 05, 20269550
Oct 02, 2026955No prior observation