OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

NN $37.00 Put

NN280121P00037000

Latest saved OI275Oct 23, 2026
Last change+3vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
NN $37.00 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. 2751370 2026-10-09: 259 OI2026-10-13: 270 OI2026-10-14: 270 OI2026-10-16: 272 OI2026-10-20: 272 OI2026-10-23: 275 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, 2026Viewing275+3
Oct 20, 20262720
Oct 16, 2026272+2
Oct 14, 20262700
Oct 13, 2026270+11
Oct 09, 2026259No prior observation