OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

NAT $8.00 Call

NAT270115C00008000

Latest saved OI2,829Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NAT $8.00 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. 2,8291,4140 2026-10-02: 1,850 OI2026-10-05: 1,860 OI2026-10-06: 1,877 OI2026-10-07: 1,947 OI2026-10-08: 2,112 OI2026-10-09: 2,237 OI2026-10-13: 2,236 OI2026-10-14: 2,249 OI2026-10-15: 2,505 OI2026-10-16: 2,618 OI2026-10-21: 2,828 OI2026-10-23: 2,829 OI Oct 02, 2026Oct 23, 2026

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

NAT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2,829+1
Oct 21, 20262,828+210
Oct 16, 20262,618+113
Oct 15, 20262,505+256
Oct 14, 20262,249+13
Oct 13, 20262,236-1
Oct 09, 20262,237+125
Oct 08, 20262,112+165
Oct 07, 20261,947+70
Oct 06, 20261,877+17
Oct 05, 20261,860+10
Oct 02, 20261,850No prior observation