UMC Earnings Reaction History
United Microelectronics Corporation
EPS, Revenue, Stock Move
UMC stock falls 0.2% on average on the first trading day after earnings.
When UMC delivers a double beat, the stock rises 0.1% on average on the first trading day.
Across 33 releases, UMC has delivered a positive next-day return 48.5% of the time.
Reaction Snapshot (Avg Day 1-3)
Day 1
-0.23%
Day 2
-0.57%
Day 3
-0.55%
Conditioned Moves (Day 1 Basis)
Double Beat
+0.10%
Mixed
-1.43%
Double Miss
+0.36%
EPS Beat Rate
57.6%
Revenue Beat Rate
48.5%
Positive Rate
48.5%
Both Beat Rate
39.4%
Recent Earnings History
| Date | EPS | Revenue | Day 1 | Day 2 | Day 3 | Detail |
|---|---|---|---|---|---|---|
| 2026-04-29 | Beat+66.67% | Beat+0.19% | +9.35% | +2.43% | -0.08% | Open |
| 2026-01-28 | Beat+8.33% | Beat+1.77% | -8.81% | -7.03% | -3.78% | Open |
| 2025-10-29 | Beat+66.67% | Beat+2967.68% | -3.15% | +1.89% | +2.39% | Open |
| 2025-07-30 | Miss-14.29% | — | -0.28% | -3.66% | -0.44% | Open |
| 2025-04-23 | Miss-10.00% | — | +3.09% | -1.43% | -0.43% | Open |
| 2025-01-21 | Miss-23.08% | Miss-2.63% | -3.98% | -5.14% | +2.10% | Open |
| 2024-10-30 | Beat+20.00% | Beat+3147.22% | -5.67% | -2.15% | +3.22% | Open |
| 2024-07-31 | Beat+21.43% | Beat+3130.56% | +12.65% | -3.46% | -2.48% | Open |
FAQ
How much does UMC usually move after earnings?
UMC moves about 0.2% on average on the first trading day after earnings. Net average direction is -0.23%.
What is UMC's biggest post-earnings gain?
UMC's largest recorded next-day earnings gain is +12.65%, on 2024-07-31.