UMC vs STM

Head-to-Head Stock Analysis & Investment Rating

Last Updated: Sep 12, 2026

UMC

21.2
AI Score
VS
STM Wins

STM

53.4
AI Score

Investment Advisor Scores

UMC

21score
Recommendation
EXTENDED

STM

53score
Recommendation
HOLD

AI Analyst Insights

Detailed Metrics Comparison

Metric UMC STM Winner
Forward P/E 21.0084 19.685 STM
PEG Ratio 1.1801 0.1904 STM
Revenue Growth 17.0% 26.1% STM
Earnings Growth 374.6% -33.3% UMC
Tradestie Score 21.2/100 53.4/100 STM
Profit Margin 33.3% 3.6% UMC
Beta 1.00 1.00 Tie
AI Recommendation EXTENDED HOLD Tie

Relative Price Performance (Last 90 Days)

UMC 1M: +17.2% · 3M: +9.5% STM 1M: -4.9% · 3M: -34.1%

Current Technical Phase

UMC

Neutral
Hold

Mixed signals - no dominant trend phase, RSI 64

RSI (14): 64.5 · Price: $22.64

STM

Neutral
Hold

Mixed signals - no dominant trend phase, RSI 46

RSI (14): 46.0 · Price: $51.51

Fundamentals Snapshot

Metric UMC STM
Market Cap
Forward P/E 25.8 20.3
Trailing P/E 21.7
Revenue (TTM)
Revenue Growth 0.2% 0.3%
Gross Margin 0.3% 0.3%
Operating Margin 0.2% 0.1%
EPS 1.02 -0.06
Dividend Yield 0.02% 0.01%

Frequently Asked Questions

Based on our detailed analysis, STM is currently the stronger investment candidate based on our comprehensive scoring model.

We analyze revenue and earnings growth rates in the "Growth" section above. Generally, the company with higher year-over-year revenue and EPS growth is fostering better expansion. Check the table above for the specific growth percentages.

Valuation is determined by metrics like the P/E Ratio and PEG Ratio. A lower P/E typically suggests a stock is cheaper relative to its earnings. Refer to the "Valuation" section in our comparison table to see which stock currently trades at a more attractive multiple.