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

SelectedTodayYTD Return

SPCXSpace Exploration Technologies Corp− 1.20%− 8.08%
Partial Period · Jun 12, 2026 — Sep 4, 2026
RKLBRocket Lab Corp+ 0.77%− 15.44%

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.

SPCX− 8.1%RKLB− 15.4%Tap or hover the chart for values along the way

Metric	SPCXSpace Exploration Technologies Corp	RKLBRocket Lab Corp
Return
Last Price	147.95	64.30
Daily Change	− 1.20%	+ 0.77%
Period ReturnYear to Date	− 8.08%Jun 12, 2026 — Sep 4, 2026	− 15.44%
Valuation
Market Cap	$1.95 T	$38.5 B
P/E Ratio	—	—
Dividend Yield	—	—
Net MarginTrailing 12M	31.3%	21.5%
Risk
Beta	5.77	3.17
52-Week Range	104.83 — $225.64	37.57 — $151.00
Company
Sector	—	Industrials
Industry	Telecommunication	Aerospace & Defense

Company

SPCXTelecommunication
RKLBIndustrials · Aerospace & Defense

Alpaca · SIPUpdated 00:0515 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.