FSS vs WAB
As of Sep 20, 2026, Federal Signal (FSS) scores 5.6/10 and Westinghouse Air Brake Technologies (WAB) 5.7/10 on AlphaStocks' five-model composite, so WAB scores higher. FSS trades 8% above its model fair value; WAB trades 60% above its model fair value.
FSS
FEDERAL SIGNAL CORP /DE/
5.6
Consider Buy
$113.93
WAB
WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP
5.7
Consider Buy
$280.14
FSS vs WAB: Which is the Better Investment?
FEDERAL SIGNAL CORP /DE/ (FSS) scores 5.6/10 while WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP (WAB) scores 5.7/10 on AlphaStocks' composite model. WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP has the higher composite rating of Consider Buy. On a P/E basis, FEDERAL SIGNAL CORP /DE/ trades at 28.4x, making it the more attractively priced of the two.
This comparison is algorithmically generated and is not financial advice.
| Metric | FSS | WAB |
|---|---|---|
| Scores & Fundamentals | ||
| Composite Score | 5.6/10 | 5.7/10▲ |
| Rating | Consider Buy | Consider Buy▲ |
| Price | $113.93 | $280.14 |
| P/E Ratio | 28.4▲ | 41.0 |
| ROE | 18.2%▲ | 10.5% |
| Market Cap | $7B | $48B |
| Fair Value | $105.60 | $175.24 |
| Dividend Yield | — | — |
| Sector Rank | #63 of 265 | #61 of 265▲ |
| Model Verdicts | ||
| Piotroski | Attractive | Attractive |
| Buffett | Strong▲ | Attractive |
| Graham | Neutral▲ | Caution |
| Lynch | Neutral | Neutral |
| Greenblatt | Attractive▲ | Neutral |
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FSS vs WAB: Which Stock Scores Higher?
FEDERAL SIGNAL CORP /DE/ (FSS) and WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP (WAB) are both in the Industrials sector. WAB currently leads with a composite score of 5.7/10 (Consider Buy) compared to FSS's 5.6/10 (Consider Buy).
The AlphaStocks composite score evaluates each stock across four dimensions: Quality (business strength measured by Piotroski F-Score and Buffett quality criteria), Value (discount to intrinsic worth using Graham, Lynch, and Greenblatt models), Momentum (6-month price trend), and Timing (a confirmation signal that requires both value and momentum to align). A higher composite score indicates stronger overall fundamentals combined with favorable market conditions.
This comparison uses the same scoring framework for both companies, ensuring an apples-to-apples evaluation. Scores are recalculated daily after market close using data from SEC filings and market prices. Read the full methodology to understand how each model contributes to the composite score.
Scores are algorithm-generated research tools, not investment recommendations. Past performance does not guarantee future results. Always do your own due diligence. Full disclaimer