OITracker Cboe delayed data

Contract OI history

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Oct 23, 2026 EXPIRATION

HAL $30.00 Put

HAL261023P00030000

Latest saved OI248Oct 23, 2026
Last change-44vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HAL $30.00 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. 2921460 2026-10-02: 36 OI2026-10-05: 57 OI2026-10-06: 103 OI2026-10-07: 110 OI2026-10-08: 110 OI2026-10-09: 110 OI2026-10-13: 111 OI2026-10-14: 116 OI2026-10-15: 116 OI2026-10-16: 116 OI2026-10-21: 292 OI2026-10-23: 248 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, 2026Viewing248-44
Oct 21, 2026292+176
Oct 16, 20261160
Oct 15, 20261160
Oct 14, 2026116+5
Oct 13, 2026111+1
Oct 09, 20261100
Oct 08, 20261100
Oct 07, 2026110+7
Oct 06, 2026103+46
Oct 05, 202657+21
Oct 02, 202636No prior observation