OITracker Cboe delayed data

Contract OI history

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Jan 19, 2029 EXPIRATION

NB $2.50 Call

NB290119C00002500

Latest saved OI199Oct 23, 2026
Last change+1vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
NB $2.50 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. 199990 2026-10-09: 154 OI2026-10-13: 158 OI2026-10-14: 162 OI2026-10-16: 197 OI2026-10-21: 198 OI2026-10-23: 199 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, 2026199+1
Oct 21, 2026Viewing198+1
Oct 16, 2026197+35
Oct 14, 2026162+4
Oct 13, 2026158+4
Oct 09, 2026154No prior observation