OITracker Cboe delayed data

Contract OI history

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Oct 30, 2026 EXPIRATION

NB $4.50 Call

NB261030C00004500

Latest saved OI14Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
NB $4.50 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. 1890 2026-10-09: 18 OI2026-10-13: 18 OI2026-10-14: 18 OI2026-10-16: 18 OI2026-10-21: 14 OI2026-10-23: 14 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, 2026140
Oct 21, 2026Viewing14-4
Oct 16, 2026180
Oct 14, 2026180
Oct 13, 2026180
Oct 09, 202618No prior observation