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

SelectedToday1M Return

SNDKSandisk Corp+ 11.51%+ 35.09%
Partial Period · Aug 3, 2026 — Sep 4, 2026
KLACKLA Corp+ 7.33%+ 1.56%
Partial Period · Aug 3, 2026 — Sep 4, 2026
SMCISuper Micro Computer Inc+ 4.38%+ 38.23%
Partial Period · Aug 3, 2026 — Sep 4, 2026
COHRCoherent Corp+ 6.64%+ 7.22%

Four symbols is the limit; remove one to add another.

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.

SNDK+ 35.1%KLAC+ 1.6%SMCI+ 38.2%COHR+ 7.2%Tap or hover the chart for values along the way

Metric	SNDKSandisk Corp	KLACKLA Corp	SMCISuper Micro Computer Inc	COHRCoherent Corp
Return
Last Price	1,734.01	185.62	39.53	281.97
Daily Change	+ 11.51%	+ 7.33%	+ 4.38%	+ 6.64%
Period ReturnPast Month	+ 35.09%Aug 3, 2026 — Sep 4, 2026	+ 1.56%Aug 3, 2026 — Sep 4, 2026	+ 38.23%Aug 3, 2026 — Sep 4, 2026	+ 7.22%
Valuation
Market Cap	$257 B	$242 B	$25.6 B	$55.2 B
P/E Ratio	23.79	50.63	12.35	68.56
Dividend Yield	—	1.04%	—	—
Net MarginTrailing 12M	56.5%	35.6%	5.7%	11.3%
Risk
Beta	3.88	1.46	2.19	2.18
52-Week Range	55.55 — $2,354.39	83.90 — $307.37	19.48 — $58.78	90.00 — $440.00
Company
Sector	Information Technology	Information Technology	Information Technology	Information Technology
Industry	Technology	Semiconductors	Technology	Electrical Equipment

Company

SNDKInformation Technology · Technology
KLACInformation Technology · Semiconductors
SMCIInformation Technology · Technology
COHRInformation Technology · Electrical Equipment

Alpaca · SIPUpdated 02:5915 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.