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

SelectedToday5Y Return

SNDKSandisk Corp+ 11.58%+ 4,647.61%
Partial Period · Feb 10, 2025 — Aug 31, 2026
COHRCoherent Corp+ 6.27%+ 358.83%

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+ 4,647.6%COHR+ 358.8%Tap or hover the chart for values along the way

Metric	SNDKSandisk Corp	COHRCoherent Corp
Return
Last Price	1,735.00	281.00
Daily Change	+ 11.58%	+ 6.27%
Period ReturnPast 5 Years	+ 4,647.61%Feb 10, 2025 — Aug 31, 2026	+ 358.83%
Valuation
Market Cap	$257 B	$55.0 B
P/E Ratio	23.80	68.32
Dividend Yield	—	—
Net MarginTrailing 12M	56.5%	11.3%
Risk
Beta	3.88	2.18
52-Week Range	55.55 — $2,354.39	90.00 — $440.00
Company
Sector	Information Technology	Information Technology
Industry	Technology	Electrical Equipment

Company

SNDKInformation Technology · Technology
COHRInformation Technology · Electrical Equipment

Alpaca · SIPUpdated 00:0815 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.