OITracker Cboe delayed data

Contract OI history

Back to CNK

Dec 18, 2026 EXPIRATION

CNK $42.00 Call

CNK261218C00042000

Latest saved OI158Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CNK $42.00 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. 158790 2026-10-02: 157 OI2026-10-05: 157 OI2026-10-06: 157 OI2026-10-07: 158 OI2026-10-08: 158 OI2026-10-09: 158 OI2026-10-13: 158 OI2026-10-14: 158 OI2026-10-16: 158 OI2026-10-20: 158 OI2026-10-23: 158 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, 2026Viewing1580
Oct 20, 20261580
Oct 16, 20261580
Oct 14, 20261580
Oct 13, 20261580
Oct 09, 20261580
Oct 08, 20261580
Oct 07, 2026158+1
Oct 06, 20261570
Oct 05, 20261570
Oct 02, 2026157No prior observation