UMC Earnings Reaction History

United Microelectronics Corporation

EPS, Revenue, Stock Move

UMC stock falls 0.3% 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 62 releases, UMC has delivered a positive next-day return 48.4% of the time.

Reaction Snapshot (Avg Day 1-3)

Day 1
-0.32%
Day 2
-0.70%
Day 3
-0.50%

Conditioned Moves (Day 1 Basis)

Double Beat
+0.07%
Mixed
-0.86%
Double Miss
-0.27%

EPS Beat Rate

58.1%

Revenue Beat Rate

46.8%

Positive Rate

48.4%

Both Beat Rate

35.5%

Recent Earnings History

DateEPSRevenueDay 1Day 2Day 3Detail
2026-04-29
Open
2026-04-22
Open
2026-01-28
Miss-16.67%
Beat+3093.29%
-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%
Miss-2.63%
+3.09%-1.43%-0.43%Open
2025-01-21
Miss-23.08%
-3.98%-5.14%+2.10%Open
2024-10-30
Beat+20.00%
Beat+3147.22%
-5.67%-2.15%+3.22%Open

FAQ

How much does UMC usually move after earnings?

UMC moves about 0.3% on average on the first trading day after earnings. Net average direction is -0.32%.

What is UMC's biggest post-earnings gain?

UMC's largest recorded next-day earnings gain is +12.65%, on 2024-07-31.