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Contract OI history

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Jan 15, 2027 EXPIRATION

ACAD $20.00 Put

ACAD270115P00020000

Latest saved OI360Oct 23, 2026
Last change-3vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
ACAD $20.00 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. 3631810 2026-10-08: 363 OI2026-10-09: 363 OI2026-10-13: 363 OI2026-10-14: 363 OI2026-10-16: 363 OI2026-10-20: 363 OI2026-10-23: 360 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, 2026Viewing360-3
Oct 20, 20263630
Oct 16, 20263630
Oct 14, 20263630
Oct 13, 20263630
Oct 09, 20263630
Oct 08, 2026363No prior observation