United Microelectronics Corp (UMC) stock
Close on Nov 12, 2026Market cap $39.68BP/E 31.7Yield –
United Microelectronics Corp grew revenue 2.3% to 237.55B TWD over fiscal 2025. Operating income fell 14.8% to 43.95B TWD, moving the operating margin from 22.2% to 18.5%. Free cash flow was 52.12B TWD, up 878.1% from a year earlier. At the latest close the market valued the company at 1.30T TWD, 31.7 times its earnings.
Key statistics
Valuation at the latest close; fundamentals over fiscal 2025, balances at Dec 31, 2025
Valuation
- Market cap
- 1.30T TWD
- P/E ratio
- 31.7
- Price to sales
- 5.49
- Price to book
- 3.56
- Dividend yield
- –
- Free cash flow yield
- 4.00%
Fundamentals
- Revenue
- 237.55B TWD
- Net income
- 40.36B TWD
- EPS, diluted
- 3.27 TWD
- Free cash flow
- 52.12B TWD
Trading
- Previous close
- $16.08
- Open
- $15.00
- Day's range
- $14.96 – $15.99
- Volume
- 9,405,297
- Average volume (20 days)
- 14,090,305
- Beta (5 years)
- 0.93
- RSI (14 days)
- 38.5
- Volatility (1 year)
- 68.0%
- Relative volume
- 1.00×
- WACC
- 9.4%
Market cap history
Month-end market cap since 2016, using shares outstanding reported at the time
Total return vs. the S&P 500
Price change plus reinvested dividends, to the close on Nov 12, 2026. The S&P 500 is measured by the SPY fund.
| Period | UMC | S&P 500 | Difference | UMC per year | S&P 500 per year |
|---|---|---|---|---|---|
| 1 month | -30.1% | -2.7% | −27.4 pts | ||
| 3 months | -18.4% | -1.7% | −16.6 pts | ||
| Year to date | +104.0% | +11.9% | +92.1 pts | ||
| 1 year | +121.5% | +12.0% | +109.5 pts | ||
| 3 years | +135.0% | +78.2% | +56.8 pts | +33.0% | +21.2% |
| 5 years | +83.0% | +73.2% | +9.8 pts | +12.8% | +11.6% |
| 10 years | +1312.7% | +309.6% | +1003.0 pts | +30.3% | +15.1% |
Twelve years at a glance
Fiscal years 2014 to 2025, TWD
Revenue
Gross profit
Operating income
Net income
EPS, diluted
Free cash flow
Press releases
Releases United Microelectronics filed with the SEC as exhibits to Form 8-K or 6-K
- 6-K
- 6-K
- 6-K
- 6-K
- 6-K
- 6-K
About United Microelectronics
Semiconductors & Related Devices
United Microelectronics Corporation operates as a semiconductor foundry engaged in wafer fabrication and the provision of related semiconductor solutions. The company focuses primarily on its wafer manufacturing segment, complemented by other specialized product lines, delivering manufacturing services to technology clients and semiconductor design firms.
Company profile, executives and historyUnited Microelectronics stock: common questions
What is United Microelectronics's stock price?
UMC closed at $15.76 on Nov 12, 2026, down 1.99% on the day.
What is United Microelectronics's market cap?
United Microelectronics was worth $39.68B at the close on Nov 12, 2026: the share price times the diluted shares outstanding.
What is UMC's P/E ratio?
UMC trades at 31.7 times earnings, based on diluted earnings per share of 3.27 TWD over fiscal 2025.
How much revenue does United Microelectronics make?
United Microelectronics reported revenue of 237.55B TWD for fiscal 2025, up 2.3% from a year earlier.
Does United Microelectronics pay a dividend?
No. United Microelectronics has not paid a cash dividend over the last twelve months.
How has UMC stock performed over the past year?
Including dividends, UMC returned +121.5% over the past year, against +12.0% for the S&P 500.
Who are United Microelectronics's competitors?
Companies most similar to United Microelectronics by business, industry and size include MU, ASX, INTC, TSM, AVGO.
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