OITracker Cboe delayed data

Contract OI history

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Mar 19, 2027 EXPIRATION

NN $25.00 Call

NN270319C00025000

Latest saved OI529Oct 23, 2026
Last change+500vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
NN $25.00 call open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 5292640 2026-10-09: 29 OI2026-10-13: 29 OI2026-10-14: 29 OI2026-10-16: 29 OI2026-10-20: 29 OI2026-10-23: 529 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, 2026Viewing529+500
Oct 20, 2026290
Oct 16, 2026290
Oct 14, 2026290
Oct 13, 2026290
Oct 09, 202629No prior observation