ATI vs TDG
As of Sep 20, 2026, ATI Inc (ATI) scores 6.7/10 and TransDigm Group (TDG) 5.0/10 on AlphaStocks' five-model composite, so ATI scores higher. ATI trades 104% above its model fair value; TDG trades in line with its model fair value.
ATI
ATI INC
6.7
Consider Buy
$191.75
TDG
TransDigm Group INC
5.0
Consider Buy
$1,085.77
ATI vs TDG: Which is the Better Investment?
ATI INC (ATI) scores 6.7/10 while TransDigm Group INC (TDG) scores 5.0/10 on AlphaStocks' composite model. ATI INC has the higher composite rating of Consider Buy. On a P/E basis, TransDigm Group INC trades at 30.5x, making it the more attractively priced of the two.
This comparison is algorithmically generated and is not financial advice.
| Metric | ATI | TDG |
|---|---|---|
| Scores & Fundamentals | ||
| Composite Score | 6.7/10▲ | 5.0/10 |
| Rating | Consider Buy▲ | Consider Buy |
| Price | $191.75 | $1,085.77 |
| P/E Ratio | 67.3 | 30.5▲ |
| ROE | 23.0%▲ | -28.2% |
| Market Cap | $27B | $63B |
| Fair Value | $93.94 | $1,081.47 |
| Dividend Yield | — | 12.8% |
| Sector Rank | #18 of 265▲ | #114 of 265 |
| Model Verdicts | ||
| Piotroski | Strong▲ | Attractive |
| Buffett | Attractive | Attractive |
| Graham | Caution | Attractive▲ |
| Lynch | Attractive▲ | Neutral |
| Greenblatt | Caution | Neutral▲ |
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ATI vs TDG: Which Stock Scores Higher?
ATI INC (ATI) and TransDigm Group INC (TDG) are both in the Industrials sector. ATI currently leads with a composite score of 6.7/10 (Consider Buy) compared to TDG's 5.0/10 (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