OITracker Cboe delayed data

Contract OI history

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Nov 06, 2026 EXPIRATION

NB $4.00 Call

NB261106C00004000

Latest saved OI335Oct 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 $4.00 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. 3451720 2026-10-09: 313 OI2026-10-13: 340 OI2026-10-14: 345 OI2026-10-16: 341 OI2026-10-21: 335 OI2026-10-23: 335 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, 20263350
Oct 21, 2026Viewing335-6
Oct 16, 2026341-4
Oct 14, 2026345+5
Oct 13, 2026340+27
Oct 09, 2026313No prior observation