OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

NB $5.00 Put

NB280121P00005000

Latest saved OI1,890Oct 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 $5.00 put open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1,8909450 2026-10-09: 1,873 OI2026-10-13: 1,871 OI2026-10-14: 1,876 OI2026-10-16: 1,881 OI2026-10-21: 1,890 OI2026-10-23: 1,890 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, 2026Viewing1,8900
Oct 21, 20261,890+9
Oct 16, 20261,881+5
Oct 14, 20261,876+5
Oct 13, 20261,871-2
Oct 09, 20261,873No prior observation