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profit_to_loss on Great Lakes Dredge & Dock CORP (GLDD)
SIC 1600 — Heavy Construction Other Than Bldg Const - Contractors · CIK 1372020 · default direction: short
Definition
Fires when a previously-profitable company swings to net loss in the current fiscal year. Often early warning of structural problems.
Every time the signal fired on GLDD
| FY | Filing date | Event date | 1d | 5d | 20d | 60d | 252d |
|---|---|---|---|---|---|---|---|
| FY2022 | 2023-02-17 | 2023-02-17 | -6.16% | -7.90% | -22.43% | -0.47% | +35.23% |
| FY2015 | 2016-03-01 | 2016-03-01 | -0.29% | +4.30% | +24.07% | +26.07% | +27.51% |
| FY2012 | 2013-03-29 | 2013-04-01 | +0.59% | +2.93% | -0.73% | +16.69% | +33.67% |
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 | 3,667 | -0.22% | +42.21% | short | -0.13% | 35 | -0.02 |
| 5d | 3,667 | +0.28% | +43.50% | short | -0.21% | 36 | -0.01 |
| 20d | 3,616 | +0.23% | +44.16% | short | +0.79% | 40 | +0.04 |
| 60d | 3,386 | +4.37% | +49.00% | short | -3.72% | 51 | -0.06 |
| 252d | 3,297 | +20.41% | +51.05% | short | -17.43% | 102 | -0.13 |
Net PnL is direction × stock return − round-trip execution cost (5 bps half-spread + ADV-tiered borrow). See profit_to_loss methodology for the full audit.