OITracker Cboe delayed data

Contract OI history

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Oct 23, 2026 EXPIRATION

HAL $32.00 Put

HAL261023P00032000

Latest saved OI1,928Oct 23, 2026
Last change+170vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HAL $32.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,9289640 2026-10-02: 60 OI2026-10-05: 58 OI2026-10-06: 64 OI2026-10-07: 71 OI2026-10-08: 71 OI2026-10-09: 72 OI2026-10-13: 365 OI2026-10-14: 365 OI2026-10-15: 490 OI2026-10-16: 985 OI2026-10-21: 1,758 OI2026-10-23: 1,928 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, 2026Viewing1,928+170
Oct 21, 20261,758+773
Oct 16, 2026985+495
Oct 15, 2026490+125
Oct 14, 20263650
Oct 13, 2026365+293
Oct 09, 202672+1
Oct 08, 2026710
Oct 07, 202671+7
Oct 06, 202664+6
Oct 05, 202658-2
Oct 02, 202660No prior observation