OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

HAL $45.00 Call

HAL261218C00045000

Latest saved OI1,129Oct 23, 2026
Last change-5vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HAL $45.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,1345670 2026-10-02: 1,123 OI2026-10-05: 1,121 OI2026-10-06: 1,131 OI2026-10-07: 1,134 OI2026-10-08: 1,134 OI2026-10-09: 1,134 OI2026-10-13: 1,134 OI2026-10-14: 1,134 OI2026-10-15: 1,134 OI2026-10-16: 1,134 OI2026-10-21: 1,134 OI2026-10-23: 1,129 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, 2026Viewing1,129-5
Oct 21, 20261,1340
Oct 16, 20261,1340
Oct 15, 20261,1340
Oct 14, 20261,1340
Oct 13, 20261,1340
Oct 09, 20261,1340
Oct 08, 20261,1340
Oct 07, 20261,134+3
Oct 06, 20261,131+10
Oct 05, 20261,121-2
Oct 02, 20261,123No prior observation