OITracker Cboe delayed data

Contract OI history

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Oct 30, 2026 EXPIRATION

NB $3.50 Call

NB261030C00003500

Latest saved OI2,097Oct 23, 2026
Last change-9vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
NB $3.50 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. 2,1061,0530 2026-10-09: 10 OI2026-10-13: 102 OI2026-10-14: 101 OI2026-10-16: 136 OI2026-10-21: 2,106 OI2026-10-23: 2,097 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, 20262,097-9
Oct 21, 2026Viewing2,106+1,970
Oct 16, 2026136+35
Oct 14, 2026101-1
Oct 13, 2026102+92
Oct 09, 202610No prior observation