OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

NI $50.00 Call

NI261120C00050000

Latest saved OI284Oct 23, 2026
Last change-10vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NI $50.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2941470 2026-10-02: 276 OI2026-10-05: 276 OI2026-10-06: 276 OI2026-10-07: 279 OI2026-10-08: 279 OI2026-10-09: 279 OI2026-10-13: 279 OI2026-10-14: 279 OI2026-10-15: 289 OI2026-10-16: 289 OI2026-10-21: 294 OI2026-10-23: 284 OI Oct 02, 2026Oct 23, 2026

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

NI contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026284-10
Oct 21, 2026Viewing294+5
Oct 16, 20262890
Oct 15, 2026289+10
Oct 14, 20262790
Oct 13, 20262790
Oct 09, 20262790
Oct 08, 20262790
Oct 07, 2026279+3
Oct 06, 20262760
Oct 05, 20262760
Oct 02, 2026276No prior observation