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Contract OI history

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Dec 18, 2026 EXPIRATION

ACLS $100.00 Put

ACLS261218P00100000

Latest saved OI23Oct 20, 2026
Last change+1vs previous saved observation
Saved market days5Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ACLS $100.00 put open interest history 5 saved observations from 2026-10-09 to 2026-10-20. Exact values and changes are listed in the table below. 23110 2026-10-09: 7 OI2026-10-13: 16 OI2026-10-14: 21 OI2026-10-16: 22 OI2026-10-20: 23 OI Oct 09, 2026Oct 20, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

ACLS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing23+1
Oct 16, 202622+1
Oct 14, 202621+5
Oct 13, 202616+9
Oct 09, 20267No prior observation