OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

CNK $37.00 Call

CNK270115C00037000

Latest saved OI692Oct 23, 2026
Last change-1vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CNK $37.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 6933460 2026-10-02: 693 OI2026-10-05: 693 OI2026-10-06: 693 OI2026-10-07: 693 OI2026-10-08: 693 OI2026-10-09: 693 OI2026-10-13: 693 OI2026-10-14: 693 OI2026-10-16: 693 OI2026-10-20: 693 OI2026-10-23: 692 OI Oct 02, 2026Oct 23, 2026

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

CNK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing692-1
Oct 20, 20266930
Oct 16, 20266930
Oct 14, 20266930
Oct 13, 20266930
Oct 09, 20266930
Oct 08, 20266930
Oct 07, 20266930
Oct 06, 20266930
Oct 05, 20266930
Oct 02, 2026693No prior observation