UMC priced USD 1.8 billion bonds and United Microelectronics stock costs EUR 19.75

Published on 10/13/2026 at 11:47 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS

September 2026 revenue rose 27.22 percent to TWD 25.35 billion. United Microelectronics stock costs EUR 19.75 on October 13, 2026, with USD 56.2 billion market value.

Key points in brief

UMC priced USD 1.8 billion in convertible bonds on October 5, 2026, with proceeds designated for equipment and plant construction.
September 2026 revenue rose 27.22 percent year over year to TWD 25.35 billion, while January to September revenue increased 16.08 percent.
UMC stock was at EUR 19.75 at Lang & Schwarz on October 13, 2026, at 11:39 a.m. CEST; market capitalization was USD 56.2 billion on October 12, 2026.
MarketWatch listed six analyst ratings and an average target of USD 14.24, while the next quarterly earnings date was October 28, 2026.

UMC, US9108734057, Illustration mit AI erstellt.

United Microelectronics Corporation (ISIN US9108734057) priced USD 1.8 billion of convertible bonds on October 5, 2026, according to Yahoo Finance. United Microelectronics stock was at EUR 19.75 at Lang & Schwarz on October 13, 2026, at 11:39 a.m. CEST.

Three events shape the picture

On July 29, 2026, United Microelectronics reported second-quarter revenue of USD 2.20 billion, up 17.00 percent year over year, while wafer shipments rose 10.60 percent sequentially, Yahoo Finance reported.

On October 5, 2026, the company priced two USD 900.00 million bond tranches with a 0.00 percent coupon. If fully converted, the bonds would create an estimated 2.34 percent dilution, while the proceeds would fund machinery, equipment and plant facilities, Yahoo Finance reported.

On October 6, 2026, September revenue reached TWD 25.35 billion, compared with TWD 19.93 billion a year earlier. That 27.22 percent increase exceeded the 16.08 percent growth recorded for January through September, according to Yahoo Finance.

What does the financing change?

The bond issue gives UMC funds for capacity expansion, but the conversion feature adds a measurable equity risk. The company said the dilution effect would be 2.34 percent if all bonds converted, while the two initial conversion prices were TWD 202.06 and TWD 179.19 against a TWD 152.50 Taiwan close on October 5, 2026, according to StockTitan.

MarketWatch listed six analyst ratings and an average target of USD 14.24. Its page also showed a next quarterly earnings date of October 28, 2026, giving investors a defined checkpoint for whether the revenue acceleration is translating into earnings.

Dates and valuation matter

The bonds were scheduled for issuance on October 13, 2026, while the next quarterly earnings report was listed for October 28, 2026. Market capitalization stood at USD 56.2 billion on October 12, 2026, and the latest U.S. quote data showed a 52-week range of USD 6.97 to USD 28.96.

UMC stock stays tied to execution

UMC combines faster monthly sales growth with a large capacity program and a financing structure that can expand the share count. The key test is whether the 27.22 percent September revenue increase can support returns on the new equipment and facilities.

The further course of trading is shown by the continuously updated real-time quote of United Microelectronics stock.