OITracker Cboe delayed data

Contract OI history

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Oct 23, 2026 EXPIRATION

HAL $29.00 Put

HAL261023P00029000

Latest saved OI407Oct 23, 2026
Last change0vs 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. 4072030 2026-10-02: 113 OI2026-10-05: 113 OI2026-10-06: 112 OI2026-10-07: 111 OI2026-10-08: 111 OI2026-10-09: 111 OI2026-10-13: 112 OI2026-10-14: 112 OI2026-10-15: 113 OI2026-10-16: 119 OI2026-10-21: 407 OI2026-10-23: 407 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, 2026Viewing4070
Oct 21, 2026407+288
Oct 16, 2026119+6
Oct 15, 2026113+1
Oct 14, 20261120
Oct 13, 2026112+1
Oct 09, 20261110
Oct 08, 20261110
Oct 07, 2026111-1
Oct 06, 2026112-1
Oct 05, 20261130
Oct 02, 2026113No prior observation