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

SelectedTodayYTD Return

TDGTransDigm Group Inc+ 0.21%− 14.63%
SPCXSpace Exploration Technologies Corp− 0.67%− 7.54%
Partial Period · Jun 12, 2026 — Sep 4, 2026
RTXRTX Corp− 0.71%+ 7.17%

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.

TDG− 14.6%SPCX− 7.5%RTX+ 7.2%Tap or hover the chart for values along the way

Metric	TDGTransDigm Group Inc	SPCXSpace Exploration Technologies Corp	RTXRTX Corp
Return
Last Price	1,160.24	148.73	200.69
Daily Change	+ 0.21%	− 0.67%	− 0.71%
Period ReturnYear to Date	− 14.63%	− 7.54%Jun 12, 2026 — Sep 4, 2026	+ 7.17%
Valuation
Market Cap	$64.9 B	$1.96 T	$270 B
P/E Ratio	31.61	—	35.34
Dividend Yield	—	—	2.95%
Net MarginTrailing 12M	21.3%	31.3%	8.3%
Risk
Beta	0.97	5.77	0.31
52-Week Range	1,123.61 — $1,463.03	104.83 — $225.64	150.61 — $226.88
Company
Sector	Industrials	—	Industrials
Industry	Aerospace & Defense	Telecommunication	Aerospace & Defense

Company

TDGIndustrials · Aerospace & Defense
SPCXTelecommunication
RTXIndustrials · Aerospace & Defense

Alpaca · SIPUpdated 21:4515 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.