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Contract OI history

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Nov 20, 2026 EXPIRATION

ACAD $20.00 Call

ACAD261120C00020000

Latest saved OI260Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
ACAD $20.00 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. 2601300 2026-10-08: 18 OI2026-10-09: 20 OI2026-10-13: 21 OI2026-10-14: 133 OI2026-10-16: 138 OI2026-10-20: 260 OI2026-10-23: 260 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, 2026Viewing2600
Oct 20, 2026260+122
Oct 16, 2026138+5
Oct 14, 2026133+112
Oct 13, 202621+1
Oct 09, 202620+2
Oct 08, 202618No prior observation