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Contract OI history

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May 21, 2027 EXPIRATION

ALC $60.00 Put

ALC270521P00060000

Latest saved OI23Oct 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 $60.00 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. 24120 2026-10-02: 2 OI2026-10-05: 4 OI2026-10-06: 4 OI2026-10-07: 5 OI2026-10-08: 5 OI2026-10-09: 5 OI2026-10-13: 5 OI2026-10-15: 24 OI2026-10-16: 23 OI2026-10-20: 23 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, 2026Viewing230
Oct 16, 202623-1
Oct 15, 202624+19
Oct 13, 202650
Oct 09, 202650
Oct 08, 202650
Oct 07, 20265+1
Oct 06, 202640
Oct 05, 20264+2
Oct 02, 20262No prior observation