Fintel · Oct 23, 2026
UM
NYSE · UMC
United Microelectronics Corporation
Technology · Semiconductors
$18.82
Down-$0.63 (-3.24%)
Updated Oct 29, 2026, 12:19 PM
SID Score
7.1/10
Composite research score
Smart Money
58/100
Neutral
- Market cap
- 19.69B
- P/E ratio
- 14.72
- Dividend yield
- 2.57%
- 52-week range
- $6.97 – $28.96
- Volume
- 13.76M
- Avg. volume
- 7.82M
Price performance · UMC
UMC price history
1M range · 21 trading sessions · Daily adjusted prices
Prices through Oct 28, 2026
UMC closed at $18.82 after 21 trading sessions, down 23.15% for the selected period.
- Last close
- $18.82
- Period change
- -23.15%
- Period low
- $18.53
- Period high
- $26.27
Daily close
View OHLC price history
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Oct 28, 2026 | $19.12 | $19.28 | $18.62 | $18.82 | 13.76M |
| Oct 27, 2026 | $19.20 | $19.49 | $18.885 | $19.45 | 10.88M |
| Oct 26, 2026 | $18.91 | $19.3451 | $18.765 | $19.18 | 7.38M |
| Oct 23, 2026 | $18.66 | $19.00 | $18.525 | $18.89 | 7.16M |
| Oct 22, 2026 | $19.07 | $19.165 | $18.31 | $18.53 | 17.61M |
| Oct 21, 2026 | $19.90 | $19.98 | $19.63 | $19.82 | 8.3M |
| Oct 20, 2026 | $19.50 | $19.98 | $19.345 | $19.67 | 9.31M |
| Oct 19, 2026 | $20.55 | $20.5994 | $19.97 | $20.08 | 8.36M |
| Oct 16, 2026 | $20.65 | $20.65 | $19.74 | $19.82 | 12.92M |
| Oct 15, 2026 | $20.48 | $20.97 | $20.245 | $20.92 | 14.48M |
| Oct 14, 2026 | $21.85 | $22.05 | $21.34 | $21.40 | 12.8M |
| Oct 13, 2026 | $21.95 | $22.40 | $21.80 | $22.39 | 8.71M |
| Oct 12, 2026 | $22.74 | $22.74 | $22.305 | $22.55 | 7.05M |
| Oct 9, 2026 | $23.19 | $23.28 | $22.8401 | $22.96 | 5.24M |
| Oct 8, 2026 | $23.14 | $23.32 | $22.505 | $22.82 | 11.9M |
| Oct 7, 2026 | $22.91 | $23.34 | $22.85 | $23.31 | 8.06M |
| Oct 6, 2026 | $23.54 | $23.67 | $23.05 | $23.19 | 15.05M |
| Oct 5, 2026 | $23.82 | $24.15 | $23.255 | $23.92 | 31.82M |
| Oct 2, 2026 | $25.67 | $26.365 | $25.52 | $26.27 | 10.2M |
| Oct 1, 2026 | $24.85 | $25.34 | $24.67 | $25.21 | 7.74M |
| Sep 30, 2026 | $24.45 | $24.685 | $24.35 | $24.49 | 7.1M |
Latest UMC news
The latest Smart Investors Daily articles mentioning UMC.
Stock researchCompany · Overview
Company
Market Activity
Research & News
UMC research
Overview
Company profile and research snapshot.
Company profile
Founded in 1980, United Microelectronics is the world's third-largest dedicated chip foundry, with 5% market share in 2024 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.
Visit company websiteAnalyst outlook
Consensus and target data currently published for this company.
- Consensus
- Hold
- Average target
- $8.66
- Implied upside
- —
- Analysts
- 32
| Date | Firm | Rating | Target |
|---|---|---|---|
| Feb 5, 2020 | China Renaissance | Buy | — |
| Nov 25, 2019 | Citi | Neutral | — |
| Oct 31, 2019 | Goldman Sachs | Neutral | — |
| Jan 24, 2019 | HSBC | Hold | — |
| Nov 16, 2018 | Morgan Stanley | Underweight | — |
News briefing
No generated briefing is available yet.
Yahoo · Oct 22, 2026
UMC and AP Memory Collaborate to Enable Advanced Power Delivery Solutions for AI and HPC Systems
United Microelectronics Corporation (NYSE: UMC; TWSE: 2303) ("UMC") and AP Memory (TWSE: 6531) today announced a technology and manufacturing collaboration to advance power delivery solutions for AI and high-performance computing (HPC) systems. This partnership combines UMC's deep trench capacitor (DTC) foundry technology and scalable wafer manufacturing with AP Memory's silicon capacitor designs and system-level integration to address the power efficiency challenges of next-generation data cent
Yahoo · Oct 20, 2026
The Moment Jensen Huang Realized Nvidia 'Won't Have to Die' Came After a Call From This CEO: 'For the Whole Time, 30 Years…'
Nvidia Corp. CEO Jensen Huang detailed how repeated unanswered calls and a personal letter helped create the company’s decades-long relationship with Taiwan Semiconductor Manufacturing Co.. Huang recounted the story on Wednesday, during a vlog in Taiwan with podcaster Lex Fridman....
Yahoo · Oct 19, 2026
What United Microelectronics Doubters Got Wrong Before A 196% Rally
If United Microelectronics was on your watchlist rather than in your portfolio over the last year, the outcome may feel expensive. For United Microelectronics shareholders, the return over the past year was 195.7%, including dividends. That gain now raises an uncomfortable question. Back in October 2025, what signal in the competing analyst stories about mature process nodes and specialty technology demand could have helped you judge whether UMC’s focus on 22 and 28 nanometers was a strength...
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