United Microelectronic Corp. Share Price
NYSE: UMCUnited Microelectronic Corp. Stock Performance
United Microelectronic Corp. Share Price Today
As of 29 October 2026, United Microelectronic Corp.'s share price is $18.13. The stock opened at $17.68, compared to its previous close of $18.86. During today's trading session, United Microelectronic Corp.'s share price traded between $17.68 and $18.18, with an average price of $17.93. Over the past 52 weeks, the stock has recorded a high of $28.96 and a low of $6.97. In terms of performance, United Microelectronic Corp.'s share price has risen by 38.93% over the last six months and is up 135.00% on a year-on-year basis.
United Microelectronic Corp. Share Price Chart
About United Microelectronic Corp.
Founded in 1980, United Microelectronics is the world's third-largest dedicated chip foundry, with close to 5% market share in 2025 after TSMC and SMIC. UMC's headquarters are in Hsinchu, Taiwan, and it operates 12 fabs in Taiwan, Mainland China, Japan and Singapore, with additional sales offices in Europe, the US, and South Korea. UMC features a diverse customer base that includes Texas Instruments, MediaTek, Intel, Broadcom, Novatek, and Realtek, supplying a wide range of products applied in communications, display, memory, automotive and more. UMC employs about 19,000 people as of February 2025.
United Microelectronic Corp. Historical Returns
| Month | Open | Close | Change % |
|---|---|---|---|
Oct 2026 | $24.76 | $18.13 | -26.02% |
Sep 2026 | $20.46 | $24.50 | +28.64% |
Aug 2026 | $17.60 | $19.05 | +0.13% |
Jul 2026 | $26.39 | $19.02 | -30.06% |
Jun 2026 | $22.79 | $27.20 | +22.47% |
May 2026 | $13.00 | $22.21 | +70.19% |
Apr 2026 | $8.99 | $13.05 | +45.24% |
Mar 2026 | $10.31 | $8.98 | -13.85% |
Feb 2026 | $9.87 | $10.43 | +2.66% |
Jan 2026 | $7.86 | $10.16 | +29.26% |
Dec 2025 | $7.49 | $7.86 | +5.57% |
Nov 2025 | $7.87 | $7.45 | -3.50% |