The Moat Index
Compare moats, side by side.
Two to four companies, scored on the same four filters from their SEC filings — so the comparison is apples to apples. The method is fully public.
| Measure | ZD | VZ | SPOK | WMG |
|---|---|---|---|---|
| Moat Score (0–100) | 58 | 60 (highest) | 59 | 58 |
| Pricing power | 100 (highest) | 100 (highest) | 100 (highest) | 80 |
| Returns on capital | 43 | 57 (highest) | 11 | 57 (highest) |
| Balance-sheet safety | 35 | 21 | 100 (highest) | 14 |
| Capital discipline | 40 | 41 | 27 | 69 (highest) |
| Margin of safety | 10% above value | 5% below value (highest margin of safety) | 24% above value | No price data |
| Market cap | $2.1B | $183.8B | $219.3M | — |
| Moat tier | Shallow moat | Shallow moat | Shallow moat | Shallow moat |
| Filings as of | FY2025 | FY2025 | FY2025 | FY2025 |