OITracker Cboe delayed data

Contract OI history

Back to NBBK

Jan 15, 2027 EXPIRATION

NBBK $20.00 Call

NBBK270115C00020000

Latest saved OI801Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
NBBK $20.00 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 8014000 2026-10-08: 801 OI2026-10-09: 801 OI2026-10-13: 801 OI2026-10-14: 801 OI2026-10-16: 801 OI2026-10-20: 801 OI2026-10-23: 801 OI Oct 08, 2026Oct 23, 2026

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

NBBK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing8010
Oct 20, 20268010
Oct 16, 20268010
Oct 14, 20268010
Oct 13, 20268010
Oct 09, 20268010
Oct 08, 2026801No prior observation