OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

HAL $36.00 Call

HAL261120C00036000

Latest saved OI1,438Oct 23, 2026
Last change+46vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HAL $36.00 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. 1,4387190 2026-10-02: 837 OI2026-10-05: 842 OI2026-10-06: 848 OI2026-10-07: 843 OI2026-10-08: 843 OI2026-10-09: 871 OI2026-10-13: 871 OI2026-10-14: 870 OI2026-10-15: 865 OI2026-10-16: 863 OI2026-10-21: 1,392 OI2026-10-23: 1,438 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, 2026Viewing1,438+46
Oct 21, 20261,392+529
Oct 16, 2026863-2
Oct 15, 2026865-5
Oct 14, 2026870-1
Oct 13, 20268710
Oct 09, 2026871+28
Oct 08, 20268430
Oct 07, 2026843-5
Oct 06, 2026848+6
Oct 05, 2026842+5
Oct 02, 2026837No prior observation