UMCUnited Microelectronics Corporation

$19.03

What is the market doing?

What the tape says about UMC

United Microelectronics Corporation is +185% over the past year while the S&P 500 is +23%: 163 points ahead of the market.

+185%

1-year return · S&P 500 +23%

vs 200-day average
+48%

vs 200-day average · a clear uptrend

RSI (14)
49

RSI (14) · neutral

Below its 52-week high
−32%

Below its 52-week high

2024-08-06$5.35 – $28.01 · dashed line: 200-day average2026-08-26
Details
Last close2026-08-26
$19.03
1 monthS&P 500 +3.7%
−10%
1 yearS&P 500 +23%
+185%
5 yearsS&P 500 +87%
+138%
vs 50-day average$21.06
−9.6%
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
Calendar-year price return
YearReturn
2026 (year to date)+142%
2025+29%
2024−19%
2023+39%
2022−40%
2021+43%
2020+231%
2019+56%
2018−22%
2017+42%
Average return by calendar month, 2016–2026
MonthYearsPositiveAverage
Jan106 of 10+2.7%
Feb105 of 10+2.8%
Mar105 of 10−0.76%
Apr106 of 10+6.1%
May108 of 10+9.9%
Jun109 of 10+5.7%
Jul116 of 11+1.2%
Aug114 of 11+1.1%
Sep103 of 10+2.1%
Oct107 of 10−2.2%
Nov105 of 10+7.8%
Dec105 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.