OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

NN $9.50 Put

NN261120P00009500

Latest saved OI191Oct 23, 2026
Last change+190vs previous saved observation
Saved market days2Oct 20, 2026 onwards
Daily open interest Hover a point for its date and OI
NN $9.50 put open interest history 2 saved observations from 2026-10-20 to 2026-10-23. Exact values and changes are listed in the table below. 191950 2026-10-20: 1 OI2026-10-23: 191 OI Oct 20, 2026Oct 23, 2026

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

NN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing191+190
Oct 20, 20261No prior observation