Compare · Opening Bell

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.

CIEN+ 103.5%CSCO+ 58.5%ANET+ 22.4%Tap or hover the chart for values along the way

Selected

CIENCiena Corporation
1Y TRY Return
Today+ 4.43%
CSCOCisco Systems Inc
1Y TRY Return
Today+ 1.46%
ANETArista Networks, Inc.
1Y TRY Return
Today+ 5.79%
Up to four stocks read side by side on the same scale.

Metrics Table

Metric	CIENCiena Corporation	CSCOCisco Systems Inc	ANETArista Networks, Inc.
Return
Last Price	350.81	111.85	187.50
Daily Change	+ 4.43%	+ 1.46%	+ 5.79%
Period ReturnPast Year · TRY
Valuation
Market Cap	$49.7 B	$441 B	$236 B
P/E Ratio	78.28	33.61	59.13
Dividend Yield	–	3.23%	–
Net MarginTrailing 12M	10.9%	21.0%	38.4%
Risk
Beta	1.35	1.01	1.63
52-Week Range	164638	70130	115217
Company
Sector	Information Technology	Information Technology	Information Technology
Industry	Communications	Communications	Communications

Company

CIENInformation Technology · Communications
CSCOInformation Technology · Communications
ANETInformation Technology · Communications

Claude Comparison Note

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Alpaca · SIPUpdated 19:41 NY15 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.