OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

HAL $34.00 Call

HAL261218C00034000

Latest saved OI223Oct 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 $34.00 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. 2971480 2026-10-02: 159 OI2026-10-05: 164 OI2026-10-06: 169 OI2026-10-07: 222 OI2026-10-08: 222 OI2026-10-09: 222 OI2026-10-13: 267 OI2026-10-14: 267 OI2026-10-15: 267 OI2026-10-16: 297 OI2026-10-21: 222 OI2026-10-23: 223 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, 2026Viewing223+1
Oct 21, 2026222-75
Oct 16, 2026297+30
Oct 15, 20262670
Oct 14, 20262670
Oct 13, 2026267+45
Oct 09, 20262220
Oct 08, 20262220
Oct 07, 2026222+53
Oct 06, 2026169+5
Oct 05, 2026164+5
Oct 02, 2026159No prior observation