OITracker Cboe delayed data

Contract OI history

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Oct 23, 2026 EXPIRATION

HAL $35.50 Call

HAL261023C00035500

Latest saved OI723Oct 23, 2026
Last change-30vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HAL $35.50 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. 7533760 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 3 OI2026-10-07: 4 OI2026-10-08: 4 OI2026-10-09: 5 OI2026-10-13: 61 OI2026-10-14: 84 OI2026-10-15: 86 OI2026-10-16: 87 OI2026-10-21: 753 OI2026-10-23: 723 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, 2026Viewing723-30
Oct 21, 2026753+666
Oct 16, 202687+1
Oct 15, 202686+2
Oct 14, 202684+23
Oct 13, 202661+56
Oct 09, 20265+1
Oct 08, 202640
Oct 07, 20264+1
Oct 06, 20263+3
Oct 05, 202600
Oct 02, 20260No prior observation