iShares Dow Jones U.S. Aerospace & Defense Index Fund (ITA)
iShares Dow Jones U.S. Aerospace & Defense Index Fund Beta: 1.136
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ITA Beta Range, Past 5 Years
| Minimum | 1.134 | Oct 2011 |
| Maximum | 1.197 | May 2009 |
| Average | 1.163 |
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.
Learn More
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ITA News
Nov 09, 9:35AM MarketWatch
about 227 days ago by STNet
about 227 days ago by abnormalreturns
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about 234 days ago by StockTwits
about 296 days ago by TheArmoTrader
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about 335 days ago by swooon
about 489 days ago by sunshinetrader
about 496 days ago by macroQmicro
about 510 days ago by macroQmicro
about 519 days ago by macroQmicro
about 547 days ago by CapitalBanker
about 566 days ago by MatthewMcCall
about 567 days ago by Ro_Patel
about 574 days ago by prince_bhojwani
about 590 days ago by EricDutram
about 595 days ago by macroQmicro
about 608 days ago by macroQmicro
Recent Quotes
| Symbol | Price | Chg | Chg % | Market Cap |
|---|---|---|---|---|
| ITA | 62.31 | +0.62 | +1.00% | |
| IT | 40.92 | -0.19 | -0.46% | 3.838B |
| ISTA | 9.095 | -0.01 | -0.05% | 380.11M |
| IST | 20.56 | -0.20 | -0.96% | |
| ISSI | 9.63 | -0.17 | -1.73% | 264.99M |
| ISSC | 3.54 | -0.05 | -1.39% | 58.91M |
| ISS | 6.28 | -0.46 | -6.82% | 375.89M |
| ISRL | 77.25 | -4.40 | -5.39% | 222.09M |
| ISRG | 520.66 | -7.24 | -1.37% | 20.92B |
| ISR | 1.27 | +0.10 | +8.55% | 34.30M |
