OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

NOK $4.00 Put

NOK280121P00004000

Latest saved OI977Oct 23, 2026
Last change+19vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NOK $4.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 9774880 2026-10-02: 868 OI2026-10-05: 868 OI2026-10-06: 868 OI2026-10-07: 868 OI2026-10-08: 868 OI2026-10-09: 868 OI2026-10-13: 858 OI2026-10-14: 858 OI2026-10-15: 858 OI2026-10-16: 858 OI2026-10-21: 958 OI2026-10-23: 977 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, 2026Viewing977+19
Oct 21, 2026958+100
Oct 16, 20268580
Oct 15, 20268580
Oct 14, 20268580
Oct 13, 2026858-10
Oct 09, 20268680
Oct 08, 20268680
Oct 07, 20268680
Oct 06, 20268680
Oct 05, 20268680
Oct 02, 2026868No prior observation