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Contract OI history

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Dec 17, 2027 EXPIRATION

HALO $140.00 Call

HALO271217C00140000

Latest saved OI252Oct 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 $140.00 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. 2521260 2026-10-09: 3 OI2026-10-13: 3 OI2026-10-14: 3 OI2026-10-15: 3 OI2026-10-16: 3 OI2026-10-21: 252 OI2026-10-23: 252 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, 2026Viewing2520
Oct 21, 2026252+249
Oct 16, 202630
Oct 15, 202630
Oct 14, 202630
Oct 13, 202630
Oct 09, 20263No prior observation