OITracker Cboe delayed data

Contract OI history

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Oct 30, 2026 EXPIRATION

HAL $29.00 Put

HAL261030P00029000

Latest saved OI215Oct 23, 2026
Last change+72vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HAL $29.00 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. 2151070 2026-10-02: 72 OI2026-10-05: 75 OI2026-10-06: 76 OI2026-10-07: 75 OI2026-10-08: 75 OI2026-10-09: 75 OI2026-10-13: 83 OI2026-10-14: 83 OI2026-10-15: 83 OI2026-10-16: 83 OI2026-10-21: 143 OI2026-10-23: 215 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, 2026Viewing215+72
Oct 21, 2026143+60
Oct 16, 2026830
Oct 15, 2026830
Oct 14, 2026830
Oct 13, 202683+8
Oct 09, 2026750
Oct 08, 2026750
Oct 07, 202675-1
Oct 06, 202676+1
Oct 05, 202675+3
Oct 02, 202672No prior observation