COST or DIA: which is the higher-quality business?
Same dated snapshot (2026-09-01): COST scores 100/100 vs DIA 100/100 on the rule-based Berkshire checklist (very high vs very high band). Quality grades the business only — the lower-quality name can still be the better deal at the right price.
| Snapshot | 2026-09-01 · source: yahoo | |
|---|---|---|
| COST (Costco) | DIA (SPDR Dow Jones) | |
| Market / sector | us · Consumer Staples | us · ETF |
| Price | $934.66 | $534.23 |
| Quality score | 100/100 | 100/100 |
| Engine signal | LONG · 10 bars · uPnL -2.8% | LONG · 306 bars · uPnL +24.7% |
| Total return | -10.4% | +24.7% |
Cite this page
Balance Labs Research Desk (2026-09-01). "COST or DIA: which is the higher-quality business?." balancelabs.app · https://balancelabs.app/stocks/compare/cost-vs-dia/q/cost-or-dia-higher-quality · CC BY 4.0
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← COST vs DIA · snapshot 2026-09-01 · not investment advice