OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

NB $7.50 Put

NB270115P00007500

Latest saved OI504Oct 23, 2026
Last change-22vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
NB $7.50 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. 1,0815400 2026-10-09: 1,081 OI2026-10-13: 1,081 OI2026-10-14: 1,081 OI2026-10-16: 527 OI2026-10-21: 526 OI2026-10-23: 504 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, 2026504-22
Oct 21, 2026Viewing526-1
Oct 16, 2026527-554
Oct 14, 20261,0810
Oct 13, 20261,0810
Oct 09, 20261,081No prior observation