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

SelectedToday1M Return

WABWestinghouse Air Brake Technologies Corp+ 0.72%− 2.75%
CATCaterpillar Inc+ 1.61%− 1.94%
Partial Period · Aug 3, 2026 — Sep 4, 2026
PCARPaccar Inc+ 0.15%− 6.01%

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.

WAB− 2.8%CAT− 1.9%PCAR− 6.0%Tap or hover the chart for values along the way

Metric	WABWestinghouse Air Brake Technologies Corp	CATCaterpillar Inc	PCARPaccar Inc
Return
Last Price	282.86	813.00	124.70
Daily Change	+ 0.72%	+ 1.61%	+ 0.15%
Period ReturnPast Month	− 2.75%	− 1.94%Aug 3, 2026 — Sep 4, 2026	− 6.01%
Valuation
Market Cap	$47.8 B	$374 B	$65.6 B
P/E Ratio	—	34.97	—
Dividend Yield	—	2.10%	—
Net MarginTrailing 12M	—	14.5%	—
Risk
Beta	—	1.61	—
52-Week Range	—	414.29 — $1,073.46	—
Company
Sector	Industrials	Industrials	Industrials
Industry	Machinery	Machinery	Machinery

Company

WABIndustrials · Machinery
CATIndustrials · Machinery
PCARIndustrials · Machinery

Metrics could not be loaded for WAB, PCAR: P/E, dividend, beta and the 52-week range stay empty in that column.

Alpaca · SIPUpdated 02:1015 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.