PerkinElmer (PKI)
PerkinElmer Beta: 0.9752
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PKI Beta Range, Past 5 Years
| Minimum | 0.7689 | Mar 2009 |
| Maximum | 1.598 | May 2007 |
| Average | 0.9446 |
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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PKI News
about 24 days ago by earningscast
May 02, 4:05PM Business Wire
about 32 days ago by 1nvestor
Apr 26, 10:20PM Seeking Alpha
about 35 days ago by earningscast
Apr 25, 4:05PM Business Wire
Apr 23, 9:00AM Marketwire
about 44 days ago by azendrian
about 50 days ago by DynamicDividend
Apr 04, 9:03AM Street Insider
Apr 04, 7:09AM Street Insider
about 67 days ago by harmongreg
about 72 days ago by Global_Trader
about 73 days ago by MarketBrief
about 76 days ago by MarketBrief
about 77 days ago by MarketBrief
about 78 days ago by jackdamn
about 78 days ago by MarketBrief
about 79 days ago by szaman
about 95 days ago by rshores
about 95 days ago by traderstewie
about 116 days ago by harmongreg
about 119 days ago by earningscast
Recent Quotes
| Symbol | Price | Chg | Chg % | Market Cap |
|---|---|---|---|---|
| PKI | 26.65 | -0.35 | -1.30% | 3.024B |
| PKE | 23.35 | -0.85 | -3.51% | 484.51M |
| PKBK | 5.38 | -0.02 | -0.37% | 28.89M |
| PKB | 12.86 | -0.35 | -2.67% | |
| PJM | 22.61 | -0.11 | -0.48% | |
| PJG | 24.59 | -0.47 | -1.88% | |
| OKE | 83.21 | -1.48 | -1.75% | 8.647B |
| OIS | 67.69 | -2.87 | -4.07% | 3.475B |
| OINK | 1.450 | -0.05 | -3.33% | 14.70M |
| OILT | 29.77 | -0.02 | -0.07% | 579.03M |
