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Contract OI history

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Nov 20, 2026 EXPIRATION

ALC $70.00 Call

ALC261120C00070000

Latest saved OI336Oct 20, 2026
Last change+9vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ALC $70.00 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. 3361680 2026-10-02: 308 OI2026-10-05: 307 OI2026-10-06: 308 OI2026-10-07: 308 OI2026-10-08: 307 OI2026-10-09: 326 OI2026-10-13: 326 OI2026-10-15: 326 OI2026-10-16: 327 OI2026-10-20: 336 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, 2026Viewing336+9
Oct 16, 2026327+1
Oct 15, 20263260
Oct 13, 20263260
Oct 09, 2026326+19
Oct 08, 2026307-1
Oct 07, 20263080
Oct 06, 2026308+1
Oct 05, 2026307-1
Oct 02, 2026308No prior observation