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Contract OI history

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Dec 18, 2026 EXPIRATION

CNR $80.00 Put

CNR261218P00080000

Latest saved OI2,163Oct 23, 2026
Last change+8vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CNR $80.00 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. 2,1631,0810 2026-10-02: 2,147 OI2026-10-05: 2,147 OI2026-10-06: 2,147 OI2026-10-07: 2,147 OI2026-10-08: 2,147 OI2026-10-09: 2,147 OI2026-10-13: 2,147 OI2026-10-14: 2,146 OI2026-10-16: 2,151 OI2026-10-20: 2,155 OI2026-10-23: 2,163 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, 2026Viewing2,163+8
Oct 20, 20262,155+4
Oct 16, 20262,151+5
Oct 14, 20262,146-1
Oct 13, 20262,1470
Oct 09, 20262,1470
Oct 08, 20262,1470
Oct 07, 20262,1470
Oct 06, 20262,1470
Oct 05, 20262,1470
Oct 02, 20262,147No prior observation