OITracker Cboe delayed data

Contract OI history

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Oct 30, 2026 EXPIRATION

HAL $36.00 Call

HAL261030C00036000

Latest saved OI682Oct 23, 2026
Last change+23vs 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. 6823410 2026-10-02: 68 OI2026-10-05: 71 OI2026-10-06: 89 OI2026-10-07: 90 OI2026-10-08: 90 OI2026-10-09: 117 OI2026-10-13: 133 OI2026-10-14: 145 OI2026-10-15: 155 OI2026-10-16: 155 OI2026-10-21: 659 OI2026-10-23: 682 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, 2026Viewing682+23
Oct 21, 2026659+504
Oct 16, 20261550
Oct 15, 2026155+10
Oct 14, 2026145+12
Oct 13, 2026133+16
Oct 09, 2026117+27
Oct 08, 2026900
Oct 07, 202690+1
Oct 06, 202689+18
Oct 05, 202671+3
Oct 02, 202668No prior observation