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Contract OI history

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Nov 20, 2026 EXPIRATION

ALC $72.50 Call

ALC261120C00072500

Latest saved OI206Oct 20, 2026
Last change+10vs 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. 2061030 2026-10-02: 186 OI2026-10-05: 186 OI2026-10-06: 186 OI2026-10-07: 186 OI2026-10-08: 186 OI2026-10-09: 186 OI2026-10-13: 188 OI2026-10-15: 188 OI2026-10-16: 196 OI2026-10-20: 206 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, 2026Viewing206+10
Oct 16, 2026196+8
Oct 15, 20261880
Oct 13, 2026188+2
Oct 09, 20261860
Oct 08, 20261860
Oct 07, 20261860
Oct 06, 20261860
Oct 05, 20261860
Oct 02, 2026186No prior observation