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Contract OI history

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Mar 19, 2027 EXPIRATION

CNI $120.00 Put

CNI270319P00120000

Latest saved OI23Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CNI $120.00 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. 23110 2026-10-02: 2 OI2026-10-05: 2 OI2026-10-06: 2 OI2026-10-07: 12 OI2026-10-08: 12 OI2026-10-09: 11 OI2026-10-13: 23 OI2026-10-14: 23 OI2026-10-16: 23 OI2026-10-20: 23 OI2026-10-23: 23 OI Oct 02, 2026Oct 23, 2026

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

CNI contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing230
Oct 20, 2026230
Oct 16, 2026230
Oct 14, 2026230
Oct 13, 202623+12
Oct 09, 202611-1
Oct 08, 2026120
Oct 07, 202612+10
Oct 06, 202620
Oct 05, 202620
Oct 02, 20262No prior observation