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Contract OI history

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Jan 15, 2027 EXPIRATION

ALC $65.00 Put

ALC270115P00065000

Latest saved OI425Oct 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 $65.00 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. 4252120 2026-10-02: 220 OI2026-10-05: 220 OI2026-10-06: 220 OI2026-10-07: 220 OI2026-10-08: 220 OI2026-10-09: 220 OI2026-10-13: 301 OI2026-10-15: 425 OI2026-10-16: 425 OI2026-10-20: 425 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, 2026Viewing4250
Oct 16, 20264250
Oct 15, 2026425+124
Oct 13, 2026301+81
Oct 09, 20262200
Oct 08, 20262200
Oct 07, 20262200
Oct 06, 20262200
Oct 05, 20262200
Oct 02, 2026220No prior observation