Compare
UMC vs STM
TheDesperateTrader.com· Side-by-side stock comparison
$UMC vs $STM head to head: price, market cap, valuation, dividend, free float, relative volume and how actively each trades. The bigger value in the size rows is bolded. Tap either ticker for its live chart, full ownership breakdown and real-time alerts.
$17.98
Price
$49.83
-0.8%
Day change
-1.2%
$46.46B
Market cap
$46.65B
—
P/E ratio
—
2.23%
Dividend yield
0.72%
12.59B
Free float
892.5M
7.87%
Institutional
19.15%
15.1M
Avg volume
10.9M
0.8x
Rel. volume
1.3x
51% of 52w
52-week range
48% of 52w
264
Scanner alerts 30d
220
UNKNOWN
Sector
UNKNOWN
UMC vs STM: the quick read
- ·STM is the larger company by market cap ($46.65B vs $46.46B).
- ·UMC has been more active on our scanner (264 vs 220 alerts in 30 days).
- ·STM has the smaller float (892.5M vs 12.59B), which tends to mean sharper, more volatile moves.
- ·Both are unknown names, so this is a like-for-like comparison and sector news tends to move them together.
- ·Both stay busy on our scanner, 264 and 220 unusual-volume alerts over 30 days, so neither is the quiet one here.
- ·They are closely matched in size, within 0% of each other on market cap, which makes the rest of this table the interesting part.
- ·Both pay a dividend, so this is one of the few pairs here where yield is a fair tiebreaker.
Objective differences only. Not investment advice.
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Frequently asked questions
Everything you need to know comparing UMC and STM on TheDesperateTrader.
- Is UMC or STM the better stock?
- "Better" depends on your goal, and these two are not alike. STM is the larger company by market cap ($46.65B vs $46.46B). UMC has been more active on our scanner (264 vs 220 alerts in 30 days). STM has the smaller float (892.5M vs 12.59B), which tends to mean sharper, more volatile moves. Those are the measured differences, not a recommendation, and nothing here is investment advice.
- What is the difference between UMC and STM?
- The differences that matter: they are similar in size ($46.46B vs $46.65B); they trade at very different share prices ($17.98 vs $49.83); UMC sits at 51% of its 52-week range against 48% for STM; our scanner flagged UMC 264 times in the last 30 days against 220 for STM. Everything above is measured from the latest completed session and SEC filings.
- Which of UMC and STM is more active right now?
- Right now UMC is at about 0.8x its normal volume and STM is at about 1.3x, so STM is the one drawing unusual attention today. Relative volume (RVOL) compares a stock's volume to its own recent average, so it reads the same way for a megacap and a microcap and is the quickest way to tell which of two similar names is actually in play.
- Is this comparison data live?
- Prices and % changes are anchored to the latest completed session and split-adjusted, so a reverse split never shows as a fake move. Float is estimated from SEC filings and refreshed as new filings publish.
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