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Contract OI history

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Mar 19, 2027 EXPIRATION

HALO $90.00 Call

HALO270319C00090000

Latest saved OI396Oct 23, 2026
Last change-2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
HALO $90.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 3981990 2026-10-09: 396 OI2026-10-13: 396 OI2026-10-14: 396 OI2026-10-15: 398 OI2026-10-16: 398 OI2026-10-21: 398 OI2026-10-23: 396 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

HALO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing396-2
Oct 21, 20263980
Oct 16, 20263980
Oct 15, 2026398+2
Oct 14, 20263960
Oct 13, 20263960
Oct 09, 2026396No prior observation