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dso_drift_severe on ASTROTECH Corp (ASTC)
SIC 3826 — Laboratory Analytical Instruments · CIK 1001907 · 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 ASTC
| FY | Filing date | Event date | 1d | 5d | 20d | 60d | 252d |
|---|---|---|---|---|---|---|---|
| FY2025 | 2025-09-26 | 2025-09-26 | +4.40% | +17.60% | -18.80% | -24.80% | — |
| FY2023 | 2023-09-28 | 2023-09-28 | -1.66% | -8.28% | -6.43% | -20.84% | -22.20% |
| FY2018 | 2018-09-25 | 2018-09-25 | -4.59% | -16.39% | -5.90% | +10.82% | -38.03% |
| FY2014 | 2014-09-30 | 2014-09-30 | -3.90% | -8.16% | -13.48% | -14.54% | -26.60% |
| FY2013 | 2013-10-15 | 2013-10-15 | +29.90% | +68.04% | +56.70% | +201.03% | +128.87% |
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.