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

SelectedToday3M Return

GDGeneral Dynamics Corp− 1.60%+ 6.45%
SPCXSpace Exploration Technologies Corp− 1.23%− 8.08%
Partial Period · Jun 12, 2026 — Sep 4, 2026
RTXRTX Corp− 0.57%+ 15.22%

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.

GD+ 6.5%SPCX− 8.1%RTX+ 15.2%Tap or hover the chart for values along the way

Metric	GDGeneral Dynamics Corp	SPCXSpace Exploration Technologies Corp	RTXRTX Corp
Return
Last Price	360.00	147.90	200.97
Daily Change	− 1.60%	− 1.23%	− 0.57%
Period ReturnPast 3 Months	+ 6.45%	− 8.08%Jun 12, 2026 — Sep 4, 2026	+ 15.22%
Valuation
Market Cap	$97.4 B	$1.95 T	$271 B
P/E Ratio	21.96	—	35.39
Dividend Yield	2.13%	—	2.95%
Net MarginTrailing 12M	8.2%	31.3%	8.3%
Risk
Beta	0.32	5.77	0.30
52-Week Range	306.77 — $400.00	104.83 — $225.64	150.61 — $226.88
Company
Sector	Industrials	—	Industrials
Industry	Aerospace & Defense	Telecommunication	Aerospace & Defense

Company

GDIndustrials · Aerospace & Defense
SPCXTelecommunication
RTXIndustrials · Aerospace & Defense

Alpaca · SIPUpdated 02:5915 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.