OITracker Cboe delayed data

Contract OI history

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Oct 23, 2026 EXPIRATION

HAL $34.00 Put

HAL261023P00034000

Latest saved OI386Oct 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 $34.00 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. 4092040 2026-10-02: 64 OI2026-10-05: 64 OI2026-10-06: 64 OI2026-10-07: 64 OI2026-10-08: 64 OI2026-10-09: 64 OI2026-10-13: 65 OI2026-10-14: 65 OI2026-10-15: 70 OI2026-10-16: 70 OI2026-10-21: 409 OI2026-10-23: 386 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, 2026Viewing386-23
Oct 21, 2026409+339
Oct 16, 2026700
Oct 15, 202670+5
Oct 14, 2026650
Oct 13, 202665+1
Oct 09, 2026640
Oct 08, 2026640
Oct 07, 2026640
Oct 06, 2026640
Oct 05, 2026640
Oct 02, 202664No prior observation