COST vs DG
As of Sep 20, 2026, Costco Wholesale (COST) scores 4.9/10 and Dollar General (DG) 6.1/10 on AlphaStocks' five-model composite, so DG scores higher. COST trades 89% above its model fair value; DG trades 26% below its model fair value.
COST
COSTCO WHOLESALE CORP /NEW
4.9
Weak
$895.75
DG
DOLLAR GENERAL CORP
6.1
Consider Buy
$122.41
COST vs DG: Which is the Better Investment?
COSTCO WHOLESALE CORP /NEW (COST) scores 4.9/10 while DOLLAR GENERAL CORP (DG) scores 6.1/10 on AlphaStocks' composite model. DOLLAR GENERAL CORP has the higher composite rating of Consider Buy. On a P/E basis, DOLLAR GENERAL CORP trades at 17.9x, making it the more attractively priced of the two. DOLLAR GENERAL CORP trades further below its estimated fair value.
This comparison is algorithmically generated and is not financial advice.
| Metric | COST | DG |
|---|---|---|
| Scores & Fundamentals | ||
| Composite Score | 4.9/10 | 6.1/10▲ |
| Rating | Weak | Consider Buy▲ |
| Price | $895.75 | $122.41 |
| P/E Ratio | 49.2 | 17.9▲ |
| ROE | 28.8%▲ | 18.1% |
| Market Cap | $398B | $27B |
| Fair Value | $473.75 | $166.35 |
| Dividend Yield | 0.5% | 2.1%▲ |
| Sector Rank | #36 of 78 | #11 of 78▲ |
| Model Verdicts | ||
| Piotroski | Attractive | Strong▲ |
| Buffett | Strong | Strong |
| Graham | Neutral▲ | Caution |
| Lynch | Attractive▲ | Neutral |
| Greenblatt | Caution | Neutral▲ |
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COST vs DG: Which Stock Scores Higher?
COSTCO WHOLESALE CORP /NEW (COST) and DOLLAR GENERAL CORP (DG) are both in the Consumer Staples sector. DG currently leads with a composite score of 6.1/10 (Consider Buy) compared to COST's 4.9/10 (Weak).
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