OITracker Cboe delayed data

Contract OI history

Back to NI

Apr 16, 2027 EXPIRATION

NI $40.00 Call

NI270416C00040000

Latest saved OI161Oct 23, 2026
Last change+3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NI $40.00 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. 161800 2026-10-02: 155 OI2026-10-05: 160 OI2026-10-06: 160 OI2026-10-07: 160 OI2026-10-08: 158 OI2026-10-09: 158 OI2026-10-13: 158 OI2026-10-14: 158 OI2026-10-15: 158 OI2026-10-16: 158 OI2026-10-21: 158 OI2026-10-23: 161 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, 2026161+3
Oct 21, 2026Viewing1580
Oct 16, 20261580
Oct 15, 20261580
Oct 14, 20261580
Oct 13, 20261580
Oct 09, 20261580
Oct 08, 2026158-2
Oct 07, 20261600
Oct 06, 20261600
Oct 05, 2026160+5
Oct 02, 2026155No prior observation