Compare
ARM vs RIO
TheDesperateTrader.com· Side-by-side stock comparison
$ARM vs $RIO 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.
$238.83
Price
$104.00
-0.1%
Day change
+0.7%
$255.31B
Market cap
$168.00B
—
P/E ratio
—
—
Dividend yield
4.06%
1.07B
Free float
1.26B
9.26%
Institutional
10.23%
5.3M
Avg volume
2.6M
0.7x
Rel. volume
0.9x
39% of 52w
52-week range
83% of 52w
177
Scanner alerts 30d
29
UNKNOWN
Sector
UNKNOWN
ARM vs RIO: the quick read
- ·ARM is the larger company by market cap ($255.31B vs $168.00B).
- ·ARM has been more active on our scanner (177 vs 29 alerts in 30 days).
- ·ARM has the smaller float (1.07B vs 1.26B), 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.
- ·ARM draws far more of our scanner's attention, 177 unusual-volume alerts in 30 days against 29, so it is the more actively traded of the two by some distance.
- ·RIO pays a dividend and ARM does not, which usually means one is being held for income and the other for the move.
Objective differences only. Not investment advice.
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Frequently asked questions
Everything you need to know comparing ARM and RIO on TheDesperateTrader.
- Is ARM or RIO the better stock?
- "Better" depends on your goal, and these two are not alike. ARM is the larger company by market cap ($255.31B vs $168.00B). ARM has been more active on our scanner (177 vs 29 alerts in 30 days). ARM has the smaller float (1.07B vs 1.26B), 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 RIO?
- The differences that matter: they are similar in size ($255.31B vs $168.00B); they trade at very different share prices ($238.83 vs $104.00); ARM sits at 39% of its 52-week range against 83% for RIO; only RIO pays a dividend; our scanner flagged ARM 177 times in the last 30 days against 29 for RIO. Everything above is measured from the latest completed session and SEC filings.
- Which of ARM and RIO is more active right now?
- Right now ARM is at about 0.7x its normal volume and RIO is at about 0.9x, so RIO 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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