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Contract OI history

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Dec 18, 2026 EXPIRATION

ALC $67.50 Put

ALC261218P00067500

Latest saved OI226Oct 20, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ALC $67.50 put open interest history 10 saved observations from 2026-10-02 to 2026-10-20. Exact values and changes are listed in the table below. 2261130 2026-10-02: 93 OI2026-10-05: 93 OI2026-10-06: 93 OI2026-10-07: 93 OI2026-10-08: 93 OI2026-10-09: 93 OI2026-10-13: 93 OI2026-10-15: 103 OI2026-10-16: 226 OI2026-10-20: 226 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, 2026Viewing2260
Oct 16, 2026226+123
Oct 15, 2026103+10
Oct 13, 2026930
Oct 09, 2026930
Oct 08, 2026930
Oct 07, 2026930
Oct 06, 2026930
Oct 05, 2026930
Oct 02, 202693No prior observation