What is the current market cap of UMC?

As of today, UMC market cap is $57B

What market cap category does UMC fall into?

Based on its current market cap, UMC falls into the Large Cap category

UMC market cap is up +2.35% today

UMC market cap is up +234.70% year-over-year

UMC market cap is currently -19.22% below its historical high of $70B set on June 24, 2026

UMC market cap is higher than 92.92% of companies in Technology sector

$56.78B$1.30B+2.35%

September 11, 2026

Current Value: As of today, UMC market cap is $57B, up +2.35% in the most recent trading session on September 11, 2026
Category: Based on its current market cap, UMC falls into the Large Cap category
Historical Performance: UMC market cap is up +186.93% year-to-date, up +234.70% over the past 365 days
All-Time High Comparison: UMC market cap is currently -19.22% below its historical high of $70B set on June 24, 2026
3-Year Low Comparison: UMC market cap is +297.22% above its 3-year low of $14B reached on January 24, 2025
Sector Comparison: UMC market cap is higher than 92.92% of companies in Technology sector

UMC Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
Market Cap	Sep 11, 26	$57B	+2.4%	+19.5%	+9.4%	+186.9%	+234.7%	+218.0%	+87.0%
Price	Sep 11, 26	$22.64	+2.4%	+19.5%	+9.5%	+188.0%	+234.4%	+217.1%	+85.3%
Shares Outstanding	Jul 31, 26	2.51B	-0.1%	–	–	–	+0.1%	+0.3%	+0.9%
PE Ratio	Sep 11, 26	21.63	+2.4%	+19.6%	-34.2%	+43.1%	+63.4%	+203.8%	+7.7%
TTM Revenue	Jun 30, 26	$8.07B	+3.5%	–	+3.5%	–	+9.1%	-2.3%	+21.9%
TTM EPS	Jun 30, 26	$1.05	+66.5%	–	+66.5%	–	+104.8%	+4.4%	+72.1%
	Sep 11, 26	$54.14B	+2.5%	+20.7%	+8.1%	+197.2%	+258.8%	+282.3%	+95.4%
TTM Dividend	Sep 11, 26	$0.40	0.0%	0.0%	-15.8%	-15.8%	-15.8%	-30.4%	+39.9%
TTM Net Income	Jun 30, 26	$2.62B	+66.7%	–	+66.7%	–	+105.1%	+2.3%	+78.9%

UMC Market Cap Highs Comparison
Period	High	Date	Current
1M	$57B	Sep 9, 26	-0.2%
3M	$70B	Jun 24, 26	-19.2%
6M	$70B	Jun 24, 26	-19.2%
1Y	$70B	Jun 24, 26	-19.2%
3Y	$70B	Jun 24, 26	-19.2%
5Y	$70B	Jun 24, 26	-19.2%
All	$70B	Jun 24, 26	-19.2%

UMC Market Cap Lows Comparison
Period	Low	Date	Current
1M	$45B	Aug 20, 26	+25.8%
3M	$43B	Jul 29, 26	+32.3%
6M	$22B	Mar 30, 26	+161.9%
1Y	$17B	Sep 12, 25	+235.2%
3Y	$14B	Jan 24, 25	+297.2%
5Y	$13B	Oct 11, 22	+324.3%
All	$4B	Oct 27, 08	+1346.2%

What is the current market cap of UMC?: As of today, UMC market cap is $57B
What market cap category does UMC fall into?: Based on its current market cap, UMC falls into the Large Cap category
What is UMC market cap today change?: UMC market cap is up +2.35% today
What is 1-year change in UMC market cap?: UMC market cap is up +234.70% year-over-year
How far is UMC market cap from its all-time high?: UMC market cap is currently -19.22% below its historical high of $70B set on June 24, 2026
How does UMC market cap rank versus sector peers?: UMC market cap is higher than 92.92% of companies in Technology sector