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Contract OI history

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Jan 15, 2027 EXPIRATION

ALC $67.50 Put

ALC270115P00067500

Latest saved OI398Oct 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. 3981990 2026-10-02: 104 OI2026-10-05: 104 OI2026-10-06: 104 OI2026-10-07: 104 OI2026-10-08: 103 OI2026-10-09: 132 OI2026-10-13: 282 OI2026-10-15: 341 OI2026-10-16: 398 OI2026-10-20: 398 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, 2026Viewing3980
Oct 16, 2026398+57
Oct 15, 2026341+59
Oct 13, 2026282+150
Oct 09, 2026132+29
Oct 08, 2026103-1
Oct 07, 20261040
Oct 06, 20261040
Oct 05, 20261040
Oct 02, 2026104No prior observation