OITracker Cboe delayed data

Contract OI history

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Nov 06, 2026 EXPIRATION

HAL $37.50 Call

HAL261106C00037500

Latest saved OI247Oct 23, 2026
Last change+108vs previous saved observation
Saved market days2Oct 21, 2026 onwards
Daily open interest Hover a point for its date and OI
HAL $37.50 call open interest history 2 saved observations from 2026-10-21 to 2026-10-23. Exact values and changes are listed in the table below. 2471230 2026-10-21: 139 OI2026-10-23: 247 OI Oct 21, 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, 2026Viewing247+108
Oct 21, 2026139No prior observation