Portland General Jensen Alpha
| POR Stock | | | USD 48.36 -0.15 -0.31% |
Jensen Alpha measures the return attributable to active skill rather than passive market exposure. It is the residual return after subtracting the risk-free rate and the beta-adjusted market premium — the return the asset should have earned based solely on its systematic risk. Below is Portland General's current Jensen Alpha with peer comparisons and related risk metrics.
Current Jensen Alpha Value
A Jensen Alpha of
-0.09 for Portland General signals slightly negative alpha — return marginally below the CAPM-predicted level. Portland General has slightly underperformed relative to what its market beta would imply.
Jensen Alpha | = | ER[a] - RFR * (1-BETA) | - | BETA * ER[b]) |
| = | -0.09 | |
| ER[a] | = | Expected return on investing in Portland General |
| ER[b] | = | Expected return on market index or selected benchmark |
| BETA | = | Beta coefficient between Portland General and the market |
| RFR | = | Risk Free Rate of return. Typically T-Bill Rate |
Jensen Alpha Peers Comparison
Portland General's Jensen Alpha of -0.094 falls below the 0.03 peer average. Values range from -0.0624 (Avista) to 0.117 (Alliant Energy Corp), with wide dispersion across the group. Portland General has generated less excess return relative to its market exposure than the peer group average.
Jensen Alpha Relative To Other Indicators
The chart below plots Jensen Alpha against Maximum Drawdown for Portland General and its peers. Each point represents one equity — position along the horizontal axis shows Jensen Alpha while the vertical axis shows Maximum Drawdown. Equities that cluster in different quadrants carry distinct risk-return profiles. Use the dropdowns to swap in other indicators for either axis.
Compare Portland General to PeersMethodology, Assumptions & Data Sources
Portland General has a current Jensen Alpha reading of -0.09. Portland General's Jensen Alpha is computed from historical closing prices over the selected time horizon, applying the indicator's defined mathematical transformation to raw price data. Data sources include daily closing prices from supported exchanges, with standard corporate action adjustments applied. Values are specific to the selected time horizon and may differ across measurement periods. This indicator does not constitute investment advice.
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