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Contract OI history

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Jan 19, 2029 EXPIRATION

ASO $27.50 Call

ASO290119C00027500

Latest saved OI213Oct 20, 2026
Last change-3vs previous saved observation
Saved market days5Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ASO $27.50 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. 2171080 2026-10-09: 217 OI2026-10-13: 216 OI2026-10-14: 216 OI2026-10-16: 216 OI2026-10-20: 213 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, 2026Viewing213-3
Oct 16, 20262160
Oct 14, 20262160
Oct 13, 2026216-1
Oct 09, 2026217No prior observation