OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

HAL $28.00 Call

HAL261218C00028000

Latest saved OI573Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HAL $28.00 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. 5742870 2026-10-02: 573 OI2026-10-05: 574 OI2026-10-06: 574 OI2026-10-07: 574 OI2026-10-08: 574 OI2026-10-09: 574 OI2026-10-13: 574 OI2026-10-14: 574 OI2026-10-15: 574 OI2026-10-16: 574 OI2026-10-21: 573 OI2026-10-23: 573 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, 2026Viewing5730
Oct 21, 2026573-1
Oct 16, 20265740
Oct 15, 20265740
Oct 14, 20265740
Oct 13, 20265740
Oct 09, 20265740
Oct 08, 20265740
Oct 07, 20265740
Oct 06, 20265740
Oct 05, 2026574+1
Oct 02, 2026573No prior observation