United Microelectronics Logo

United Microelectronics

🇹🇼
2303
TW0002303005

United Microelectronics (UMC) is a global leading semiconductor foundry headquartered in Taiwan. The company provides advanced wafer manufacturing services for the production of integrated circuits (ICs). UMC specializes in diverse process technologies and supports customers with the contract manufacturing of their chips for a wide range of electronic applications.

Next Quarterly Earnings

Wednesday, October 28, 2026
CW 44
Pre-Market
In 62 days

Pre-market — typically early morning before trading starts (around 7–8 a.m. CET).

Quiet period starts on September 30, 2026

Stock Price

Frequently asked questions

When will United Microelectronics report its next quarterly earnings?

United Microelectronics is scheduled to report its next quarterly earnings on 10/28/2026. Pre-market — typically early morning before trading starts (around 7–8 a.m. CET).

When did United Microelectronics last report quarterly earnings?

United Microelectronics last reported quarterly earnings on 7/29/2026 (Q2 2026). Earnings per share (EPS) came in at 3.39 TWD.

How does United Microelectronics stock react to earnings?

Across its last 7 earnings reports, United Microelectronics stock moved by ±3.6% on average the following day. The largest reaction was +10% on 01/07/2026; 4 of 7 reactions were positive.

How often has United Microelectronics beaten expectations?

United Microelectronics has beaten analyst EPS estimates in 3 of its last 5 evaluated quarters (beat rate: 60%).

How do I add the United Microelectronics earnings dates to my calendar?

Use the 'Subscribe in calendar' button on this page to add all dates to Google Calendar, Apple Calendar or Outlook. Dates update automatically when they change.

All Dates

Q2 2026
Estimate:NT$1.41
Actual:
Q3 2026
Estimate:
Actual:
Q2 2026
Beat
Estimate:NT$1.10
Actual:NT$3.39
Difference:+NT$2.29
Price reaction (1 day):-9.7 %
Price reaction (7 days):+7.5 %
Q1 2026
Beat
Estimate:NT$0.85
Actual:NT$1.29
Difference:+NT$0.44
Price reaction (1 day):-0.8 %
Price reaction (7 days):+21.7 %
Q4 2025
Missed
Estimate:NT$0.84
Actual:NT$0.81
Difference:-NT$0.03
Price reaction (1 day):-0.4 %
Price reaction (7 days):-18.9 %
Q3 2025
Beat
Estimate:$0.77
Actual:$1.19
Difference:+$0.42
Price reaction (1 day):+0.6 %
Price reaction (7 days):+4.6 %
Q1 2025
Missed
Estimate:$0.89
Actual:$0.71
Difference:-$0.18
Q4 2024
Estimate:
Actual:
Price reaction (1 day):+0.5 %
Price reaction (7 days):-5.3 %

Earnings statistics

Stock reaction to earnings

±3.6%
Avg. next-day move
+10%
Largest move (01/07/2026)
57.1%
Share of positive reactions
±10.6%
Avg. move after 7 days

Basis: price reactions to the last 7 report dates (close to close).

Estimates vs. results

3/5
Quarters above estimates
60%
Beat rate
+51.1%
Avg. EPS surprise

Basis: 5 quarters with an analyst estimate and reported EPS.

Past price reactions are not a reliable indicator of future performance.

Company Information

Name
United Microelectronics
Ticker Symbol
2303
ISIN
TW0002303005
Country
🇹🇼
Taiwan
Sector