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.

PACB− 90.4%SPY+ 67.9%Tap or hover the chart for values along the way

Selected

PACBPacific Biosciences of California, Inc.
5Y Return− 90.43%
Today+ 3.47%
SPYSPDR S&P 500 ETF Trust
5Y Return+ 67.94%
Today+ 0.21%
Up to four stocks read side by side on the same scale.

Metrics Table

Metric	PACBPacific Biosciences of California, Inc.	SPYSPDR S&P 500 ETF Trust
Return
Last Price	2.54	771.29
Daily Change	+ 3.47%	+ 0.21%
Period ReturnPast 5 Years	− 90.43%	+ 67.94%
Valuation
Market Cap	$788 M	–
P/E Ratio	–	–
Dividend Yield	–	–
Net MarginTrailing 12M	82.5%	–
Risk
Beta	2.26	1.02
52-Week Range	1.073.44	629782
Company
Sector	–	–
Industry	Life Sciences Tools & Services	–

Company

PACBLife Sciences Tools & Services
SPY–

Claude Comparison Note

Claude is preparing the comparison…

Alpaca · IEX Real-Time PriceUpdated 09:35 NY

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.