Research In Motion (RIMM)
Research In Motion Beta: 1.724
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RIMM Beta Range, Past 5 Years
| Minimum | 1.681 | Jan 2012 |
| Maximum | 3.213 | Sep 2008 |
| Average | 2.137 |
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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RIMM News
May 31, 4:13PM Wall St. Cheat Sheet
about 2 hours ago by TrendHunter
about 3 hours ago by rogermoore
about 4 hours ago by ycharts
about 4 hours ago by lamonicabuzz
about 6 hours ago by divtastic
about 6 hours ago by michaelbabad
May 31, 10:38AM Street Insider
May 31, 10:38AM Street Insider
about 7 hours ago by howardlindzon
about 7 hours ago by Stevez1
about 8 hours ago by Stevez1
about 8 hours ago by Stevez1
about 8 hours ago by Stevez1
about 8 hours ago by TrendHunter
about 8 hours ago by STNet
about 9 hours ago by SJosephBurns
about 10 hours ago by MercenaryJack
about 10 hours ago by predfan9898
about 14 hours ago by bradloncar
about 15 hours ago by RobertinGatos
May 30, 3:36PM Street Insider
May 30, 1:29PM Street Insider
May 30, 12:37PM Street Insider
May 30, 12:07PM Street Insider
May 30, 11:11AM Street Insider
May 30, 11:07AM Street Insider
May 30, 10:36AM Benzinga
May 30, 10:23AM Benzinga
May 30, 10:06AM Benzinga
May 30, 9:37AM Street Insider
May 30, 8:44AM Benzinga
May 30, 8:10AM Street Insider
May 30, 8:07AM Street Insider
May 30, 8:02AM Benzinga
May 30, 7:31AM Street Insider
Recent Quotes
| Symbol | Price | Chg | Chg % | Market Cap |
|---|---|---|---|---|
| RIMM | 10.28 | -0.07 | -0.69% | 5.426B |
| PTR | 125.99 | +0.34 | +0.27% | 229.94B |
| PTP | 36.30 | +0.51 | +1.42% | 1.265B |
| PTO | 10.77 | -0.02 | -0.18% | |
| PTNR | 4.64 | +0.20 | +4.50% | 691.09M |
| PSSI | 20.24 | +0.18 | +0.90% | 1.029B |
| PSS | 21.27 | -0.02 | -0.09% | 1.294B |
| PSP | 8.25 | -0.01 | -0.12% | |
| PSOF | 3.95 | -0.04 | -1.00% | 21.27M |
| PSO | 17.71 | -0.06 | -0.34% | 15.22B |
