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987.21 2.46 (0.25%) 04/16/2026

Costco Wholesale Corporation (COST)

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For a 14-day holding period prior to earning announcements, COST shows a positive average return of 1.30%, with a 100% positive occurances.

For a 5-day holding period prior to earning announcements, COST shows a positive average return of 1.15%, with a 50% positive occurances.

The average earning move was at 0.79%, with a 50% positive occurances.

AM = After Market, BM = Before Market

If the earnings are reported After Market (AM), the day of earning would be the next business day.