OITracker Cboe delayed data

Contract OI history

Back to NAT

Dec 18, 2026 EXPIRATION

NAT $8.00 Call

NAT261218C00008000

Latest saved OI167Oct 23, 2026
Last change+7vs previous saved observation
Saved market days4Oct 15, 2026 onwards
Daily open interest Hover a point for its date and OI
NAT $8.00 call open interest history 4 saved observations from 2026-10-15 to 2026-10-23. Exact values and changes are listed in the table below. 167830 2026-10-15: 0 OI2026-10-16: 0 OI2026-10-21: 160 OI2026-10-23: 167 OI Oct 15, 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, 2026Viewing167+7
Oct 21, 2026160+160
Oct 16, 202600
Oct 15, 20260No prior observation