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Contract OI history

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Dec 18, 2026 EXPIRATION

HALO $80.00 Call

HALO261218C00080000

Latest saved OI359Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
HALO $80.00 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. 3671830 2026-10-09: 367 OI2026-10-13: 367 OI2026-10-14: 367 OI2026-10-15: 360 OI2026-10-16: 360 OI2026-10-21: 359 OI2026-10-23: 359 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, 2026Viewing3590
Oct 21, 2026359-1
Oct 16, 20263600
Oct 15, 2026360-7
Oct 14, 20263670
Oct 13, 20263670
Oct 09, 2026367No prior observation