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Contract OI history

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Dec 18, 2026 EXPIRATION

ASO $57.50 Put

ASO261218P00057500

Latest saved OI6Oct 20, 2026
Last change+6vs previous saved observation
Saved market days3Oct 14, 2026 onwards
Daily open interest Hover a point for its date and OI
ASO $57.50 put open interest history 3 saved observations from 2026-10-14 to 2026-10-20. Exact values and changes are listed in the table below. 630 2026-10-14: 0 OI2026-10-16: 0 OI2026-10-20: 6 OI Oct 14, 2026Oct 20, 2026

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

ASO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing6+6
Oct 16, 202600
Oct 14, 20260No prior observation