← margin_compression_severe (all companies) · OPTT (all signals) · all methodology
margin_compression_severe on Ocean Power Technologies, Inc. (OPTT)
SIC 4911 — Electric Services · CIK 1378140 · default direction: short
Definition
Fires on >500 bps year-over-year decline in operating margin. Captures the 'good business getting worse' pattern.
Every time the signal fired on OPTT
| FY | Filing date | Event date | 1d | 5d | 20d | 60d | 252d |
|---|---|---|---|---|---|---|---|
| FY2025 | 2025-07-24 | 2025-07-24 | -14.67% | -28.00% | -36.00% | -30.67% | — |
| FY2021 | 2021-07-19 | 2021-07-19 | +11.11% | +5.82% | -1.06% | +9.52% | -64.02% |
| FY2019 | 2019-07-22 | 2019-07-22 | -13.20% | -16.24% | -24.37% | -16.24% | -65.48% |
| FY2018 | 2018-07-17 | 2018-07-17 | +1.22% | -8.54% | -13.41% | -15.85% | -88.11% |
| FY2017 | 2017-07-14 | 2017-07-14 | -2.21% | -8.82% | -7.35% | +7.35% | -41.91% |
| FY2015 | 2015-07-06 | 2015-07-06 | -7.02% | +5.26% | -5.26% | -21.05% | -55.96% |
| FY2012 | 2012-07-13 | 2012-07-13 | +0.75% | -6.79% | -0.75% | -0.38% | -40.38% |
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 | 2,429 | +2.00% | +36.27% | short | -2.03% | 46 | -0.02 |
| 5d | 2,429 | +3.35% | +38.74% | short | -2.80% | 47 | -0.02 |
| 20d | 2,364 | +6.26% | +38.32% | short | -4.81% | 52 | -0.03 |
| 60d | 2,266 | +78.74% | +40.47% | short | -75.14% | 65 | -0.03 |
| 252d | 2,195 | +41.39% | +39.77% | short | -31.94% | 126 | -0.09 |
Net PnL is direction × stock return − round-trip execution cost (5 bps half-spread + ADV-tiered borrow). See margin_compression_severe methodology for the full audit.