OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

HAL $27.00 Call

HAL280121C00027000

Latest saved OI177Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HAL $27.00 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. 179890 2026-10-02: 178 OI2026-10-05: 179 OI2026-10-06: 179 OI2026-10-07: 179 OI2026-10-08: 179 OI2026-10-09: 179 OI2026-10-13: 179 OI2026-10-14: 179 OI2026-10-15: 179 OI2026-10-16: 179 OI2026-10-21: 177 OI2026-10-23: 177 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, 2026Viewing1770
Oct 21, 2026177-2
Oct 16, 20261790
Oct 15, 20261790
Oct 14, 20261790
Oct 13, 20261790
Oct 09, 20261790
Oct 08, 20261790
Oct 07, 20261790
Oct 06, 20261790
Oct 05, 2026179+1
Oct 02, 2026178No prior observation