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Contract OI history

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Jan 15, 2027 EXPIRATION

ACAD $19.00 Put

ACAD270115P00019000

Latest saved OI5,062Oct 23, 2026
Last change+2vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
ACAD $19.00 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 5,0622,5310 2026-10-08: 29 OI2026-10-09: 29 OI2026-10-13: 34 OI2026-10-14: 5,034 OI2026-10-16: 5,060 OI2026-10-20: 5,060 OI2026-10-23: 5,062 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, 2026Viewing5,062+2
Oct 20, 20265,0600
Oct 16, 20265,060+26
Oct 14, 20265,034+5,000
Oct 13, 202634+5
Oct 09, 2026290
Oct 08, 202629No prior observation