COST Earnings Reaction History
Costco Wholesale Corporation
EPS, Revenue, Stock Move
COST stock falls 0.5% on average on the first trading day after earnings.
When COST delivers a double beat, the stock rises 0.5% on average on the first trading day.
Across 40 releases, COST has delivered a positive next-day return 42.5% of the time.
Reaction Snapshot (Avg Day 1-3)
Day 1
-0.50%
Day 2
+0.00%
Day 3
+0.13%
Conditioned Moves (Day 1 Basis)
Double Beat
+0.51%
Mixed
-2.39%
Double Miss
-1.84%
EPS Beat Rate
77.5%
Revenue Beat Rate
70.0%
Positive Rate
42.5%
Both Beat Rate
62.5%
Recent Earnings History
| Date | EPS | Revenue | Day 1 | Day 2 | Day 3 | Detail |
|---|---|---|---|---|---|---|
| 2026-05-28 | Miss-0.20% | Beat+0.58% | -3.91% | -1.07% | +0.86% | Open |
| 2026-03-05 | Beat+0.66% | Beat+0.45% | +1.58% | +0.72% | -0.79% | Open |
| 2025-12-11 | Beat+1.88% | Beat+0.24% | -0.00% | -2.70% | -0.02% | Open |
| 2025-09-25 | Beat+1.03% | Beat+0.17% | -2.90% | +0.10% | +0.96% | Open |
| 2025-05-29 | Beat+0.71% | Beat+0.12% | +3.12% | +1.60% | -0.12% | Open |
| 2025-03-06 | Miss-1.71% | Beat+0.97% | -6.07% | -3.10% | -0.42% | Open |
| 2024-12-12 | Beat+0.79% | Beat+0.16% | +0.10% | +0.36% | -1.09% | Open |
| 2024-09-26 | Beat+1.98% | — | -0.77% | -1.75% | +0.10% | Open |
FAQ
How much does COST usually move after earnings?
COST moves about 0.5% on average on the first trading day after earnings. Net average direction is -0.50%.
What is COST's biggest post-earnings gain?
COST's largest recorded next-day earnings gain is +6.58%, on 2021-12-09.