OITracker Cboe delayed data

Contract OI history

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Oct 23, 2026 EXPIRATION

HAL $29.50 Put

HAL261023P00029500

Latest saved OI740Oct 23, 2026
Last change+226vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HAL $29.50 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. 7403700 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 8 OI2026-10-07: 8 OI2026-10-08: 8 OI2026-10-09: 8 OI2026-10-13: 8 OI2026-10-14: 86 OI2026-10-15: 86 OI2026-10-16: 86 OI2026-10-21: 514 OI2026-10-23: 740 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, 2026Viewing740+226
Oct 21, 2026514+428
Oct 16, 2026860
Oct 15, 2026860
Oct 14, 202686+78
Oct 13, 202680
Oct 09, 202680
Oct 08, 202680
Oct 07, 202680
Oct 06, 20268+8
Oct 05, 202600
Oct 02, 20260No prior observation