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Contract OI history

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Jan 15, 2027 EXPIRATION

ASO $40.00 Call

ASO270115C00040000

Latest saved OI278Oct 20, 2026
Last change-10vs previous saved observation
Saved market days5Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ASO $40.00 call open interest history 5 saved observations from 2026-10-09 to 2026-10-20. Exact values and changes are listed in the table below. 3041520 2026-10-09: 304 OI2026-10-13: 304 OI2026-10-14: 304 OI2026-10-16: 288 OI2026-10-20: 278 OI Oct 09, 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, 2026Viewing278-10
Oct 16, 2026288-16
Oct 14, 20263040
Oct 13, 20263040
Oct 09, 2026304No prior observation