OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

HAL $35.00 Call

HAL261120C00035000

Latest saved OI3,915Oct 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
HAL $35.00 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. 3,9151,9570 2026-10-02: 3,754 OI2026-10-05: 3,749 OI2026-10-06: 3,722 OI2026-10-07: 3,726 OI2026-10-08: 3,726 OI2026-10-09: 3,725 OI2026-10-13: 3,720 OI2026-10-14: 3,782 OI2026-10-15: 3,741 OI2026-10-16: 3,757 OI2026-10-21: 3,914 OI2026-10-23: 3,915 OI Oct 02, 2026Oct 23, 2026

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

HAL contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3,915+1
Oct 21, 20263,914+157
Oct 16, 20263,757+16
Oct 15, 20263,741-41
Oct 14, 20263,782+62
Oct 13, 20263,720-5
Oct 09, 20263,725-1
Oct 08, 20263,7260
Oct 07, 20263,726+4
Oct 06, 20263,722-27
Oct 05, 20263,749-5
Oct 02, 20263,754No prior observation