OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

NOK $4.50 Call

NOK280121C00004500

Latest saved OI2,840Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NOK $4.50 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2,8601,4300 2026-10-02: 2,860 OI2026-10-05: 2,860 OI2026-10-06: 2,840 OI2026-10-07: 2,840 OI2026-10-08: 2,840 OI2026-10-09: 2,840 OI2026-10-13: 2,841 OI2026-10-14: 2,841 OI2026-10-15: 2,841 OI2026-10-16: 2,841 OI2026-10-21: 2,841 OI2026-10-23: 2,840 OI Oct 02, 2026Oct 23, 2026

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

NOK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2,840-1
Oct 21, 20262,8410
Oct 16, 20262,8410
Oct 15, 20262,8410
Oct 14, 20262,8410
Oct 13, 20262,841+1
Oct 09, 20262,8400
Oct 08, 20262,8400
Oct 07, 20262,8400
Oct 06, 20262,840-20
Oct 05, 20262,8600
Oct 02, 20262,860No prior observation