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Read two to four stocks on the same scale — return, valuation and volatility in one table.

SelectedToday1Y Return

PDEXPro-Dex Inc+ 18.88%+ 59.45%
BIAFbioAffinity Technologies Inc− 17.84%− 85.66%
SNDKSandisk Corp+ 11.57%+ 3,307.09%

Period Return

Each series is converted to a percentage of its own starting point, so all of them begin at zero. What is compared is the return over the period, not price levels.

PDEX+ 59.4%BIAF− 85.7%SNDK+ 3,307.1%Tap or hover the chart for values along the way

Metric	PDEXPro-Dex Inc	BIAFbioAffinity Technologies Inc	SNDKSandisk Corp
Return
Last Price	73.41	10.50	1,734.97
Daily Change	+ 18.88%	− 17.84%	+ 11.57%
Period ReturnPast Year	+ 59.45%	− 85.66%	+ 3,307.09%
Valuation
Market Cap	$234 M	$3.24 M	$257 B
P/E Ratio	20.25	—	23.80
Dividend Yield	—	—	—
Net MarginTrailing 12M	16.1%	257.3%	56.5%
Risk
Beta	0.11	-1.36	3.88
52-Week Range	23.47 — $69.86	4.56 — $202.50	55.55 — $2,354.39
Company
Sector	—	—	Information Technology
Industry	Health Care	Biotechnology	Technology

Company

PDEXHealth Care
BIAFBiotechnology
SNDKInformation Technology · Technology

Alpaca · SIPUpdated 02:5315 Minutes Delayed

To Understand This

P/E and the Valuation RatiosYou can't tell whether a stock is cheap or expensive by looking at its price.Diversification: How Many Baskets Are Enough?Owning ten different stocks is not the same as owning ten different risks.