The price of United Microelectronics Corporation (NEW) (UMC) on October 9, 2026 is 22.96 USD, +0.61% on the day. Over 52 weeks the stock traded between 6.97 USD and 28.96 USD; the price now sits 73% of the way up that range. Over the past year the price changed by +204.11%.
Closing prices for 9 October 2026
Next earnings report: 28 October 2026, before market open · Earnings calendar
Change over the period shown (line colour): +200.52 %
United Microelectronics Corporation (NEW) trades on NYSE under the ticker UMC. The trading history on this page starts on 22 August 2016.
Over the past 52 weeks UMC has traded between 6.97 $ and 28.96 $. As of 9 October 2026 the price stood 72.71 % of the way from the 52-week low to the high.
Over one year UMC shares rose 204.11 %; over six months they rose 135.73 %. Volatility over 90 days is 74.57 %. Dividends are not included: this is price change only, as of 9 October 2026.
United Microelectronics Corporation (NEW) reported revenue of 237.6B TWD and net income of 40.2B TWD for the latest fiscal year. Net margin is 16.91 %. Revenue changed by +3,253.11 % year over year. Earnings per share are 3.27 TWD.
| Date | Open | High | Low | Close | Volume, shares |
|---|---|---|---|---|---|
| 9 October 2026 | 23.19 | 23.28 | 22.84 | 22.96 | 5M |
| 8 October 2026 | 23.14 | 23.32 | 22.51 | 22.82 | 12M |
| 7 October 2026 | 22.91 | 23.34 | 22.85 | 23.31 | 8M |
| 6 October 2026 | 23.54 | 23.67 |
The series is stated in the current share scale after splits; dividends are not included in the price
Based on the fiscal year ended 31 December 2025
United Microelectronics Corporation (NEW) (UMC) is a public company. Its common stock trade on NYSE.
Over the trailing twelve months as reported to 2025-12-31, revenue was 237.6bn, net income was 40.2bn.
This summary is compiled automatically from SEC filings and exchange data.
UMC has a return on equity of 10.98 %. Return on assets is 7.08 %. Operating margin is 18.50 %.
| 23.05 |
| 23.19 |
| 15M |
| 5 October 2026 | 23.82 | 24.15 | 23.26 | 23.92 | 32M |
| 2 October 2026 | 25.67 | 26.37 | 25.52 | 26.27 | 10M |
| 1 October 2026 | 24.85 | 25.34 | 24.67 | 25.21 | 8M |
| 30 September 2026 | 24.45 | 24.69 | 24.35 | 24.49 | 7M |
| 29 September 2026 | 24.43 | 25.02 | 24.11 | 24.72 | 11M |
| 28 September 2026 | 24.08 | 24.21 | 23.42 | 23.85 | 7M |
| 25 September 2026 | 24.25 | 24.54 | 24.12 | 24.31 | 6M |
| 24 September 2026 | 24.11 | 24.35 | 23.80 | 24.10 | 7M |
| 23 September 2026 | 25.28 | 25.38 | 24.41 | 24.68 | 11M |
| 22 September 2026 | 25.26 | 25.80 | 25.13 | 25.77 | 8M |
| 21 September 2026 | 24.93 | 25.63 | 24.64 | 25.43 | 11M |
| 18 September 2026 | 24.45 | 24.71 | 23.88 | 24.61 | 30M |
| 17 September 2026 | 23.51 | 24.55 | 23.30 | 24.47 | 18M |
| 16 September 2026 | 22.49 | 22.84 | 22.25 | 22.53 | 11M |
| 15 September 2026 | 21.89 | 22.06 | 21.59 | 21.61 | 9M |
| 14 September 2026 | 22.08 | 22.26 | 21.81 | 21.90 | 16M |