OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

NB $12.50 Call

NB280121C00012500

Latest saved OI1,950Oct 23, 2026
Last change+14vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
NB $12.50 call open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1,9509750 2026-10-09: 1,884 OI2026-10-13: 1,884 OI2026-10-14: 1,889 OI2026-10-16: 1,936 OI2026-10-21: 1,936 OI2026-10-23: 1,950 OI Oct 09, 2026Oct 23, 2026

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

NB contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,950+14
Oct 21, 20261,9360
Oct 16, 20261,936+47
Oct 14, 20261,889+5
Oct 13, 20261,8840
Oct 09, 20261,884No prior observation