What is the market doing?
What the tape says about UMC
United Microelectronics Corporation is +221% over the past year while the S&P 500 is +20%: 200 points ahead of the market.
+221%
1-year return · S&P 500 +20%
- vs 200-day average
- +64%
vs 200-day average · a clear uptrend
- RSI (14)
- 65
RSI (14) · neutral
- Below its 52-week high
- 22%
Below its 52-week high
Details›
- Last close2026-09-08
- $21.84
- 1 monthS&P 500 −0.30%
- +14%
- 1 yearS&P 500 +20%
- +221%
- 5 yearsS&P 500 +85%
- +160%
- vs 50-day average$20.92
- +4.4%
- 52-week high
- $28.01
- 52-week low
- $6.58
- Annualised volatility
- 49%
- Insider buying, net, 6 monthsForms 3/4/5 to 2026-06-30
- −$1.7M
| Year | Return |
|---|---|
| 2026 (year to date) | +178% |
| 2025 | +29% |
| 2024 | −19% |
| 2023 | +39% |
| 2022 | −40% |
| 2021 | +43% |
| 2020 | +231% |
| 2019 | +56% |
| 2018 | −22% |
| 2017 | +42% |
| Month | Years | Positive | Average |
|---|---|---|---|
| Jan | 10 | 6 of 10 | +2.7% |
| Feb | 10 | 5 of 10 | +2.8% |
| Mar | 10 | 5 of 10 | −0.76% |
| Apr | 10 | 6 of 10 | +6.1% |
| May | 10 | 8 of 10 | +9.9% |
| Jun | 10 | 9 of 10 | +5.7% |
| Jul | 11 | 6 of 11 | +1.2% |
| Aug | 11 | 4 of 11 | +1.5% |
| Sep | 11 | 4 of 11 | +2.8% |
| Oct | 10 | 7 of 10 | −2.2% |
| Nov | 10 | 5 of 10 | +7.8% |
| Dec | 10 | 5 of 10 | +1.4% |
End-of-day closes from IEX; the S&P 500 comparison uses SPY over the same window. Prices are a reference point, not a basis for trading decisions.