Portland General Electric Company (POR)
Portland General Electric Company Beta: 0.6494
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POR Beta Range, Past 5 Years
| Minimum | 0.6431 | Oct 2011 |
| Maximum | 0.8288 | Apr 2009 |
| Average | 0.7156 |
About Beta 60 Month
YCharts calculates the 60 month market beta by regressing stock returns less the risk free rate of returns on the market returns less the risk free rate of return (Market returns come from the S&P 500 Total Returns Index (SPXTR), and the risk free rate is the 4 Week Average T-Bill (Monthly). There must be a minimum of 36 months of stock returns for a company to have its beta calculated.
Beta is a measure of the risk of a stock when it is included in a well-diversified portfolio.
In financial theory, the Capital Asset Pricing Model breaks down expected stock returns into two components. The first is the return that would be expected based on covariance with the movements of the market (for most stocks, when the market as a whole goes up, the price of the stock will also go up). The second part is the increase in the price of a stock that is not explained by the market. The first part - covariance with the market - is what Beta captures.
When Beta is positive, the stock price tends to move in the same direction as the market, and the magnitude of Beta tells by how much. If a stock's Beta is greater than 1, that means that when the market index goes up 1%, we expect the stock will go up by more than 1%. On the contrary, if the market goes down by 1%, we expect the stock to go down by more than 1%. Negative Betas, while rare, signify a negative correlation. When the market goes up, we would expect the stock price to go down.
For readers with a background in regression analysis, Beta is the slope of the linear regression shown in the formula below, where Returns are the return on an individual stock or portfolio, Rf is the risk free rate, RMarket is the return on a market portfolio, and e is an error term.
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POR News
about 8 days ago by DynamicDividend
May 24, 6:13AM Street Insider
May 03, 6:57PM Seeking Alpha
about 28 days ago by earningscast
Apr 04, 1:51PM Street Insider
Apr 03, 5:42PM Business Wire
Feb 24, 6:13PM Seeking Alpha
about 97 days ago by earningscast
Feb 24, 6:36AM Street Insider
Feb 24, 5:00AM Business Wire
Feb 22, 5:38PM Street Insider
Jan 26, 7:25PM Business Wire
Jan 13, 7:07AM Benzinga
Jan 12, 7:12PM Business Wire
about 259 days ago by DynamicDividend
about 302 days ago by Benzinga
about 385 days ago by DynamicDividend
about 399 days ago by 1nvestor
about 645 days ago by Fibline
about 904 days ago by Attitrade
Recent Quotes
| Symbol | Price | Chg | Chg % | Market Cap |
|---|---|---|---|---|
| POR | 25.15 | +0.09 | +0.36% | 1.889B |
| PJF | 25.55 | +0.02 | +0.08% | |
| PJC | 21.90 | +0.28 | +1.30% | 411.43M |
| PIZ | 17.00 | +0.05 | +0.29% | |
| PIV | 14.73 | -0.18 | -1.20% | |
| PIP | 1.21 | -0.05 | -3.97% | 60.93M |
| PIO | 16.06 | -0.03 | -0.19% | |
| PIKE | 7.22 | -0.17 | -2.30% | 256.80M |
| PII | 75.98 | -1.06 | -1.38% | 5.276B |
| PID | 13.94 | +0.03 | +0.22% |
