← zombie_alert (all sectors) · all signals in Services (health + legal + edu)
zombie_alert in Services (health + legal + edu)
Fires on companies with persistent negative free cash flow but still operating — 'walking dead' candidates. Useful as oversold-bounce flag.
Calibration in this sector (20d horizon)
| n events | 45 |
|---|---|
| Mean return | -0.84% |
| Median | -0.21% |
| Stdev | 17.58% |
| Hit rate | 48.9% |
| r/σ | -0.05 |
Top 5 sectors for zombie_alert by |r/σ|
| Sector | n | Mean 20d | r/σ |
|---|---|---|---|
| Finance, Insurance, Real Estate | 146 | -3.41% | -0.22 |
| Mining + Construction | 49 | +4.02% | +0.19 |
| Manufacturing (light) | 140 | -2.79% | -0.19 |
| Manufacturing (heavy) | 227 | +2.17% | +0.09 |
| Wholesale + Retail Trade | 91 | +1.31% | +0.07 |
For full multi-horizon and net-of-cost calibration, see the unfiltered zombie_alert methodology page.