OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

HAL $36.00 Call

HAL270115C00036000

Latest saved OI321Oct 23, 2026
Last change+114vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HAL $36.00 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. 3211600 2026-10-02: 173 OI2026-10-05: 176 OI2026-10-06: 173 OI2026-10-07: 173 OI2026-10-08: 173 OI2026-10-09: 173 OI2026-10-13: 173 OI2026-10-14: 174 OI2026-10-15: 196 OI2026-10-16: 196 OI2026-10-21: 207 OI2026-10-23: 321 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, 2026Viewing321+114
Oct 21, 2026207+11
Oct 16, 20261960
Oct 15, 2026196+22
Oct 14, 2026174+1
Oct 13, 20261730
Oct 09, 20261730
Oct 08, 20261730
Oct 07, 20261730
Oct 06, 2026173-3
Oct 05, 2026176+3
Oct 02, 2026173No prior observation