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Contract OI history

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Jan 15, 2027 EXPIRATION

ALC $72.50 Call

ALC270115C00072500

Latest saved OI331Oct 20, 2026
Last change+2vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ALC $72.50 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. 3311650 2026-10-02: 330 OI2026-10-05: 330 OI2026-10-06: 330 OI2026-10-07: 330 OI2026-10-08: 330 OI2026-10-09: 331 OI2026-10-13: 331 OI2026-10-15: 329 OI2026-10-16: 329 OI2026-10-20: 331 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, 2026Viewing331+2
Oct 16, 20263290
Oct 15, 2026329-2
Oct 13, 20263310
Oct 09, 2026331+1
Oct 08, 20263300
Oct 07, 20263300
Oct 06, 20263300
Oct 05, 20263300
Oct 02, 2026330No prior observation