Costar Group Inc (CSGP) is overvalued and FirstService Corp (FSV) is overvalued.
Both trade above our estimate of their intrinsic value. FSV is the closer of the two: -41%, against -661% for CSGP.
Values as of the 22 Sept 2026 close.
Discounting its cash flows at 8.9% (average of 3 methods) values the shares at $3.78; the price of $28.77 is 661% above that value.
Leak Score 27/100 on 3 of 12 signals
Discounting its cash flows at 8.7% (average of 3 methods) values the shares at $94.25; the price of $133.34 is 41% above that value, and 78% of that value comes from beyond year five.
Leak Score 14/100 on 3 of 12 signals
| Metric | CSGP | FSV |
|---|---|---|
| Verdict | Overvalued | Overvalued |
| Price | $28.77 | $133.34 |
| Intrinsic value | $3.78 | $94.25 |
| Margin of safety | -661% | -41% |
| Leak Score | 27/100 (3/12) | 14/100 (3/12) |
| Market cap | $11.7B | $6.1B |
| Revenue growth, 5 years | 14.4% | 14.7% |
| Operating margin | 2.4% | 6.2% |
| Net margin | 2.1% | 2.9% |
| Return on equity | 0.9% | 13.1% |
| Debt to equity | 0.15 | 1.28 |
| P/E | 158.3x | 37.8x |
| Forward P/E | 16.8x | 19.9x |
| P/B | 1.5x | 4.8x |
| Dividend yield | — | 0.9% |