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 | SPOK | CTGG | VZ | ZD |
|---|---|---|---|---|
| Moat Score (0–100) | 59 | 63 (highest) | 60 | 58 |
| Pricing power | 100 (highest) | 99 | 100 (highest) | 100 (highest) |
| Returns on capital | 11 | 62 (highest) | 57 | 43 |
| Balance-sheet safety | 100 (highest) | 28 | 21 | 35 |
| Capital discipline | 27 | 44 (highest) | 41 | 40 |
| Margin of safety | 24% above value | No price data | 5% below value (highest margin of safety) | 10% above value |
| Market cap | $219.3M | $17 | $183.8B | $2.1B |
| Moat tier | Shallow moat | Narrow moat | Shallow moat | Shallow moat |
| Filings as of | FY2025 | FY2025 | FY2025 | FY2025 |