← dso_drift_severe (all companies) · AMSC (all signals) · all methodology
dso_drift_severe on AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC)
SIC 3621 — Motors & Generators · CIK 880807 · default direction: short
Definition
Fires on Days Sales Outstanding rising >25% YoY while revenue grows <10%. Channel-stuffing / receivables-quality precursor.
Every time the signal fired on AMSC
| FY | Filing date | Event date | 1d | 5d | 20d | 60d | 252d |
|---|---|---|---|---|---|---|---|
| FY2023 | 2024-05-29 | 2024-05-29 | +10.45% | +41.55% | +53.70% | +34.77% | +82.52% |
| FY2018 | 2019-06-05 | 2019-06-05 | -17.56% | -14.48% | -4.07% | -22.92% | -18.45% |
| FY2015 | 2016-05-31 | 2016-05-31 | -5.22% | -14.33% | -14.64% | -27.43% | -57.83% |
| FY2012 | 2013-06-14 | 2013-06-14 | -2.13% | -3.40% | +14.04% | +9.79% | -31.49% |
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 | 2,382 | +0.25% | +44.16% | short | -0.49% | 35 | -0.04 |
| 5d | 2,381 | -0.30% | +44.18% | short | +0.11% | 36 | +0.01 |
| 20d | 2,351 | +2.47% | +43.26% | short | -2.54% | 40 | -0.02 |
| 60d | 2,258 | +16.34% | +45.44% | short | -11.34% | 51 | -0.06 |
| 252d | 2,213 | +32.55% | +49.30% | short | -24.65% | 102 | -0.10 |
Net PnL is direction × stock return − round-trip execution cost (5 bps half-spread + ADV-tiered borrow). See dso_drift_severe methodology for the full audit.