OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

HAL $50.00 Call

HAL261218C00050000

Latest saved OI1,785Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HAL $50.00 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. 1,7868930 2026-10-02: 1,784 OI2026-10-05: 1,784 OI2026-10-06: 1,784 OI2026-10-07: 1,784 OI2026-10-08: 1,784 OI2026-10-09: 1,784 OI2026-10-13: 1,784 OI2026-10-14: 1,784 OI2026-10-15: 1,784 OI2026-10-16: 1,784 OI2026-10-21: 1,786 OI2026-10-23: 1,785 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, 2026Viewing1,785-1
Oct 21, 20261,786+2
Oct 16, 20261,7840
Oct 15, 20261,7840
Oct 14, 20261,7840
Oct 13, 20261,7840
Oct 09, 20261,7840
Oct 08, 20261,7840
Oct 07, 20261,7840
Oct 06, 20261,7840
Oct 05, 20261,7840
Oct 02, 20261,784No prior observation