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Contract OI history

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Nov 20, 2026 EXPIRATION

ALC $67.50 Call

ALC261120C00067500

Latest saved OI4,178Oct 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 $67.50 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. 4,1782,0890 2026-10-02: 332 OI2026-10-05: 344 OI2026-10-06: 355 OI2026-10-07: 355 OI2026-10-08: 355 OI2026-10-09: 356 OI2026-10-13: 357 OI2026-10-15: 357 OI2026-10-16: 4,177 OI2026-10-20: 4,178 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, 2026Viewing4,178+1
Oct 16, 20264,177+3,820
Oct 15, 20263570
Oct 13, 2026357+1
Oct 09, 2026356+1
Oct 08, 20263550
Oct 07, 20263550
Oct 06, 2026355+11
Oct 05, 2026344+12
Oct 02, 2026332No prior observation