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Contract OI history

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Jan 21, 2028 EXPIRATION

ALC $65.00 Put

ALC280121P00065000

Latest saved OI152Oct 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. 152760 2026-10-02: 97 OI2026-10-05: 97 OI2026-10-06: 102 OI2026-10-07: 102 OI2026-10-08: 102 OI2026-10-09: 152 OI2026-10-13: 152 OI2026-10-15: 152 OI2026-10-16: 152 OI2026-10-20: 152 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, 2026Viewing1520
Oct 16, 20261520
Oct 15, 20261520
Oct 13, 20261520
Oct 09, 2026152+50
Oct 08, 20261020
Oct 07, 20261020
Oct 06, 2026102+5
Oct 05, 2026970
Oct 02, 202697No prior observation