OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

NAT $9.00 Call

NAT270115C00009000

Latest saved OI3,304Oct 23, 2026
Last change+5vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NAT $9.00 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. 3,3041,6520 2026-10-02: 1,034 OI2026-10-05: 1,105 OI2026-10-06: 1,098 OI2026-10-07: 1,169 OI2026-10-08: 1,176 OI2026-10-09: 1,280 OI2026-10-13: 1,886 OI2026-10-14: 2,082 OI2026-10-15: 2,489 OI2026-10-16: 2,690 OI2026-10-21: 3,299 OI2026-10-23: 3,304 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, 2026Viewing3,304+5
Oct 21, 20263,299+609
Oct 16, 20262,690+201
Oct 15, 20262,489+407
Oct 14, 20262,082+196
Oct 13, 20261,886+606
Oct 09, 20261,280+104
Oct 08, 20261,176+7
Oct 07, 20261,169+71
Oct 06, 20261,098-7
Oct 05, 20261,105+71
Oct 02, 20261,034No prior observation