← zombie_alert (all companies) · NVRI (all signals) · all methodology
zombie_alert on ENVIRI Corp (NVRI)
SIC 8900 — Services-Services, NEC · CIK 45876 · default direction: long
Definition
Fires on companies with persistent negative free cash flow but still operating — 'walking dead' candidates. Useful as oversold-bounce flag.
Every time the signal fired on NVRI
| FY | Filing date | Event date | 1d | 5d | 20d | 60d | 252d |
|---|---|---|---|---|---|---|---|
| FY2025 | 2026-02-24 | 2026-02-24 | -0.45% | -0.06% | +2.62% | — | — |
| FY2024 | 2025-02-20 | 2025-02-20 | -4.10% | -12.70% | -10.58% | +5.16% | +152.78% |
| FY2023 | 2024-02-29 | 2024-02-29 | +5.09% | +5.98% | +16.41% | +8.40% | -23.28% |
| FY2022 | 2023-03-01 | 2023-03-01 | +1.07% | -6.18% | -21.40% | +3.09% | -1.78% |
| FY2021 | 2022-02-24 | 2022-02-24 | +5.54% | +17.60% | +10.80% | -31.76% | -23.68% |
| FY2020 | 2021-02-25 | 2021-02-25 | -10.50% | -10.89% | -8.92% | +23.09% | -39.72% |
| FY2013 | 2014-02-27 | 2014-02-27 | +0.96% | -9.36% | -7.36% | +9.17% | -31.05% |
| FY2012 | 2013-02-26 | 2013-02-26 | +2.02% | +3.40% | +6.24% | +0.56% | +11.14% |
Forward returns are stock returns from event date (next trading day after filing). Sign is raw stock direction; the trade direction is in the calibration table below.
Universe-wide calibration (this signal across all companies)
| Horizon | n events | Gross stock ret | Hit rate | Trade dir | Net PnL | Cost (bps) | r/σ net |
|---|---|---|---|---|---|---|---|
| 1d | 1,085 | +13881.81% | +45.90% | long | -0.60% | 28 | -0.10 |
| 5d | 1,079 | +13913.06% | +46.71% | long | -0.46% | 28 | -0.04 |
| 20d | 1,068 | -0.28% | +46.54% | long | -0.67% | 28 | -0.03 |
| 60d | 991 | +3.27% | +49.65% | long | +2.98% | 28 | +0.07 |
| 252d | 970 | +17.15% | +53.51% | long | +17.86% | 28 | +0.22 |
Net PnL is direction × stock return − round-trip execution cost (5 bps half-spread + ADV-tiered borrow). See zombie_alert methodology for the full audit.