UMC vs STM

Head-to-Head Stock Analysis & Investment Rating

Last Updated: Sep 24, 2026

UMC

33.0
AI Score
VS
STM Wins

STM

56.4
AI Score

Investment Advisor Scores

UMC

33score
Recommendation
SELL

STM

56score
Recommendation
HOLD

AI Analyst Insights

Detailed Metrics Comparison

Metric UMC STM Winner
Forward P/E 23.4742 19.7239 STM
PEG Ratio 1.3176 0.1907 STM
Revenue Growth 17.0% 26.1% STM
Earnings Growth 374.6% -33.3% UMC
Tradestie Score 33.0/100 56.4/100 STM
Profit Margin 33.3% 3.6% UMC
Beta 1.00 1.00 Tie
AI Recommendation SELL HOLD STM

Relative Price Performance (Last 90 Days)

UMC 1M: +31.5% · 3M: +1.7% STM 1M: +12.9% · 3M: -19.8%

Current Technical Phase

UMC

Neutral
Hold

Mixed signals - no dominant trend phase, RSI 68

RSI (14): 67.9 · Price: $26.27

STM

Neutral
Hold

Mixed signals - no dominant trend phase, RSI 66

RSI (14): 66.3 · Price: $57.26

Fundamentals Snapshot

Metric UMC STM
Market Cap — —
Forward P/E 29.9 22.6
Trailing P/E 23.6 —
Revenue (TTM) — —
Revenue Growth 0.2% 0.3%
Gross Margin 0.3% 0.3%
Operating Margin 0.2% 0.1%
EPS 1.07 -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.