OITracker Cboe delayed data

Contract OI history

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Sep 17, 2027 EXPIRATION

HAL $50.00 Call

HAL270917C00050000

Latest saved OI1,067Oct 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. 1,0685340 2026-10-02: 119 OI2026-10-05: 119 OI2026-10-06: 130 OI2026-10-07: 131 OI2026-10-08: 131 OI2026-10-09: 131 OI2026-10-13: 131 OI2026-10-14: 132 OI2026-10-15: 1,065 OI2026-10-16: 1,066 OI2026-10-21: 1,068 OI2026-10-23: 1,067 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, 2026Viewing1,067-1
Oct 21, 20261,068+2
Oct 16, 20261,066+1
Oct 15, 20261,065+933
Oct 14, 2026132+1
Oct 13, 20261310
Oct 09, 20261310
Oct 08, 20261310
Oct 07, 2026131+1
Oct 06, 2026130+11
Oct 05, 20261190
Oct 02, 2026119No prior observation