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MRK vs RPRX
TheDesperateTrader.com· Side-by-side stock comparison
$MRK vs $RPRX 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.
$141.90
Price
$56.21
-0.3%
Day change
+0.0%
$351.28B
Market cap
$21.82B
—
P/E ratio
38.77
2.40%
Dividend yield
1.67%
2.46B
Free float
336.4M
90.89%
Institutional
85.27%
9.7M
Avg volume
3.1M
0.9x
Rel. volume
0.9x
80% of 52w
52-week range
72% of 52w
92
Scanner alerts 30d
69
PHARMACEUTICAL PREPARATIONS
Sector
PHARMACEUTICAL PREPARATIONS
MRK vs RPRX: the quick read
- ·MRK is the larger company by market cap ($351.28B vs $21.82B).
- ·MRK has been more active on our scanner (92 vs 69 alerts in 30 days).
- ·RPRX has the smaller float (336.4M vs 2.46B), which tends to mean sharper, more volatile moves.
- ·Both are pharmaceutical preparations names, so this is a like-for-like comparison and sector news tends to move them together.
- ·Both stay busy on our scanner, 92 and 69 unusual-volume alerts over 30 days, so neither is the quiet one here.
- ·They are not really peers by size: MRK is more than 16x the market cap of RPRX, so the same dollar of news moves RPRX far harder.
- ·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 MRK and RPRX on TheDesperateTrader.
- Is MRK or RPRX the better stock?
- "Better" depends on your goal, and these two are not alike. MRK is the larger company by market cap ($351.28B vs $21.82B). MRK has been more active on our scanner (92 vs 69 alerts in 30 days). RPRX has the smaller float (336.4M vs 2.46B), 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 MRK and RPRX?
- The differences that matter: MRK is roughly 16x the size of the other by market cap ($351.28B vs $21.82B); they trade at very different share prices ($141.90 vs $56.21); MRK sits at 80% of its 52-week range against 72% for RPRX; our scanner flagged MRK 92 times in the last 30 days against 69 for RPRX. Everything above is measured from the latest completed session and SEC filings.
- Which of MRK and RPRX is more active right now?
- Right now MRK is at about 0.9x its normal volume and RPRX is at about 0.9x, so RPRX 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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Same sector, similar size. These are the peers each one is usually weighed against.
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