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Contract OI history

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Nov 20, 2026 EXPIRATION

ACAD $19.00 Call

ACAD261120C00019000

Latest saved OI22Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
ACAD $19.00 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 45220 2026-10-08: 45 OI2026-10-09: 19 OI2026-10-13: 19 OI2026-10-14: 19 OI2026-10-16: 19 OI2026-10-20: 21 OI2026-10-23: 22 OI Oct 08, 2026Oct 23, 2026

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

ACAD contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing22+1
Oct 20, 202621+2
Oct 16, 2026190
Oct 14, 2026190
Oct 13, 2026190
Oct 09, 202619-26
Oct 08, 202645No prior observation