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Contract OI history

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Nov 20, 2026 EXPIRATION

ALC $75.00 Put

ALC261120P00075000

Latest saved OI183Oct 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 $75.00 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. 183910 2026-10-02: 183 OI2026-10-05: 183 OI2026-10-06: 183 OI2026-10-07: 183 OI2026-10-08: 183 OI2026-10-09: 183 OI2026-10-13: 183 OI2026-10-15: 183 OI2026-10-16: 183 OI2026-10-20: 183 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, 2026Viewing1830
Oct 16, 20261830
Oct 15, 20261830
Oct 13, 20261830
Oct 09, 20261830
Oct 08, 20261830
Oct 07, 20261830
Oct 06, 20261830
Oct 05, 20261830
Oct 02, 2026183No prior observation