OITracker Cboe delayed data

Contract OI history

Back to NB

Jan 21, 2028 EXPIRATION

NB $20.00 Call

NB280121C00020000

Latest saved OI1,204Oct 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 $20.00 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. 1,2046020 2026-10-09: 1,204 OI2026-10-13: 1,204 OI2026-10-14: 1,204 OI2026-10-16: 1,204 OI2026-10-21: 1,204 OI2026-10-23: 1,204 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, 2026Viewing1,2040
Oct 21, 20261,2040
Oct 16, 20261,2040
Oct 14, 20261,2040
Oct 13, 20261,2040
Oct 09, 20261,204No prior observation