OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

NN $9.00 Put

NN261218P00009000

Latest saved OI684Oct 23, 2026
Last change+102vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
NN $9.00 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. 6843420 2026-10-09: 571 OI2026-10-13: 571 OI2026-10-14: 571 OI2026-10-16: 571 OI2026-10-20: 582 OI2026-10-23: 684 OI Oct 09, 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, 2026Viewing684+102
Oct 20, 2026582+11
Oct 16, 20265710
Oct 14, 20265710
Oct 13, 20265710
Oct 09, 2026571No prior observation