# United Microelectronics Corporation (2303.TW) Stock Price

UMC stock (2303.TW): the Hsinchu-based Taiwanese foundry making semiconductors for other companies; price, chart and technical indicators.

| Fact | Value |
|---|---|
| Price | NT$100.50 |
| Change (Nov 10 close) | +3.93% |
| Observation time | Last price · Nov 10, 2026, 05:30 (UTC) · 2026-11-10T05:30:01Z |
| 52-week range | NT$43.80 – NT$185.50 (daily closes to November 10, 2026, 242 observations); low on November 17, 2025, high on June 24, 2026 |
| 1Y change | +122.10% (close of November 11, 2025 to close of November 10, 2026) |
| Unit | TWD |
| Symbol | 2303.TW |
| Exchange | TAIWAN |
| Market | Stocks |

## What is United Microelectronics Corporation (2303.TW)?

United Microelectronics Corporation, known as UMC, is a Taiwanese company that manufactures semiconductors to the designs of other companies. Its annual report states that UMC was incorporated under Taiwan's company law in May 1980, that its shares have been listed on the Taiwan Stock Exchange since 1985 and that its American depositary shares have been listed on the New York Stock Exchange under the symbol UMC since September 2000. The Taiwan stock code is 2303.

The company describes its main business as that of a foundry, turning customers' designs into chips with its own process technologies; its customers include fabless design companies and integrated device manufacturers that also make their own chips. The principal executive office is in Hsinchu Science Park. According to the annual report, UMC set up a subsidiary in Xiamen, China, in 2014 and bought the remaining shares of its Japanese manufacturing site in 2019, which became the wholly owned United Semiconductor Japan.

Those following UMC usually watch semiconductor demand, capacity utilization, orders for mature and specialty process technologies, the Taiwan dollar and US dollar exchange rate and the development of its subsidiaries in Japan and China. On the Lzzo.com UMC page, the price of the shares in Taiwan appears with its observation time, together with a price history chart and technical indicators.

Sources: umc.com

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## Related pages

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