Compare
ARM vs STM
TheDesperateTrader.com· Side-by-side stock comparison
$ARM 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.
$265.20
Price
$48.64
+8.7%
Day change
+1.2%
$260.59B
Market cap
$42.87B
—
P/E ratio
—
—
Dividend yield
0.74%
1.07B
Free float
891.9M
9.30%
Institutional
19.16%
4.2M
Avg volume
7.7M
0.7x
Rel. volume
1.2x
47% of 52w
52-week range
46% of 52w
256
Scanner alerts 30d
131
Semiconductors & Related Devices
Sector
Semiconductors & Related Devices
ARM vs STM: the quick read
- ·ARM is the larger company by market cap ($260.59B vs $42.87B).
- ·ARM has been more active on our scanner (256 vs 131 alerts in 30 days).
- ·STM has the smaller float (891.9M vs 1.07B), which tends to mean sharper, more volatile moves.
- ·Both are semiconductors & related devices names, so this is a like-for-like comparison and sector news tends to move them together.
- ·STM trades at a small fraction of the other's share price, so position sizing and the size of a "normal" move differ a lot between them.
- ·Both stay busy on our scanner, 256 and 131 unusual-volume alerts over 30 days, so neither is the quiet one here.
- ·STM pays a dividend and ARM does not, which usually means one is being held for income and the other for the move.
- ·They are pulling apart today: ARM is outperforming the other by roughly 7.5 percentage points on the session.
Objective differences only. Not investment advice.
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Frequently asked questions
Everything you need to know comparing ARM and STM on TheDesperateTrader.
- Is ARM or STM the better stock?
- "Better" depends on your goal, and these two are not alike. ARM is the larger company by market cap ($260.59B vs $42.87B). ARM has been more active on our scanner (256 vs 131 alerts in 30 days). STM has the smaller float (891.9M vs 1.07B), 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 ARM and STM?
- The differences that matter: ARM is roughly 6x the size of the other by market cap ($260.59B vs $42.87B); they trade at very different share prices ($265.20 vs $48.63); ARM sits at 47% of its 52-week range against 46% for STM; only STM pays a dividend; our scanner flagged ARM 256 times in the last 30 days against 131 for STM. Everything above is measured from the latest completed session and SEC filings.
- Which of ARM and STM is more active right now?
- Right now ARM is at about 0.7x its normal volume and STM is at about 1.2x, 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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