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

SelectedToday3M Return

SNDKSandisk Corp+ 10.46%− 2.37%
Partial Period · Jun 1, 2026 — Sep 4, 2026
COHRCoherent Corp+ 5.68%− 18.13%
MRVLMarvell Technology Inc+ 5.81%+ 0.94%
Partial Period · Jun 1, 2026 — Sep 4, 2026

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− 2.4%COHR− 18.1%MRVL+ 0.9%Tap or hover the chart for values along the way

Metric	SNDKSandisk Corp	COHRCoherent Corp	MRVLMarvell Technology Inc
Return
Last Price	1,717.57	279.44	220.97
Daily Change	+ 10.46%	+ 5.68%	+ 5.81%
Period ReturnPast 3 Months	− 2.37%Jun 1, 2026 — Sep 4, 2026	− 18.13%	+ 0.94%Jun 1, 2026 — Sep 4, 2026
Valuation
Market Cap	$254 B	$54.7 B	$194 B
P/E Ratio	23.56	67.95	72.93
Dividend Yield	—	—	0.43%
Net MarginTrailing 12M	56.5%	11.3%	27.9%
Risk
Beta	3.88	2.18	2.31
52-Week Range	55.55 — $2,354.39	90.00 — $440.00	61.44 — $329.88
Company
Sector	Information Technology	Information Technology	Information Technology
Industry	Technology	Electrical Equipment	Semiconductors

Company

SNDKInformation Technology · Technology
COHRInformation Technology · Electrical Equipment
MRVLInformation Technology · Semiconductors

Alpaca · SIPUpdated 20:5015 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.