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Contract OI history

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Dec 18, 2026 EXPIRATION

ALC $80.00 Call

ALC261218C00080000

Latest saved OI140Oct 20, 2026
Last change+1vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ALC $80.00 call open interest history 10 saved observations from 2026-10-02 to 2026-10-20. Exact values and changes are listed in the table below. 140700 2026-10-02: 129 OI2026-10-05: 139 OI2026-10-06: 139 OI2026-10-07: 139 OI2026-10-08: 139 OI2026-10-09: 139 OI2026-10-13: 139 OI2026-10-15: 139 OI2026-10-16: 139 OI2026-10-20: 140 OI Oct 02, 2026Oct 20, 2026

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

ALC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing140+1
Oct 16, 20261390
Oct 15, 20261390
Oct 13, 20261390
Oct 09, 20261390
Oct 08, 20261390
Oct 07, 20261390
Oct 06, 20261390
Oct 05, 2026139+10
Oct 02, 2026129No prior observation