OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

HAL $42.00 Call

HAL280121C00042000

Latest saved OI4,180Oct 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 $42.00 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. 4,1812,0900 2026-10-02: 3,754 OI2026-10-05: 3,754 OI2026-10-06: 3,849 OI2026-10-07: 3,894 OI2026-10-08: 3,894 OI2026-10-09: 4,180 OI2026-10-13: 4,180 OI2026-10-14: 4,180 OI2026-10-15: 4,179 OI2026-10-16: 4,181 OI2026-10-21: 4,181 OI2026-10-23: 4,180 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, 2026Viewing4,180-1
Oct 21, 20264,1810
Oct 16, 20264,181+2
Oct 15, 20264,179-1
Oct 14, 20264,1800
Oct 13, 20264,1800
Oct 09, 20264,180+286
Oct 08, 20263,8940
Oct 07, 20263,894+45
Oct 06, 20263,849+95
Oct 05, 20263,7540
Oct 02, 20263,754No prior observation