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If you own shares in Mirati Therapeutics, Inc. (NASDAQ:MRTX) then it's worth thinking about how it contributes to the volatility of your portfolio, overall. In finance, Beta is a measure of volatility. Modern finance theory considers volatility to be a measure of risk, and there are two main types of price volatility. The first category is company specific volatility. This can be dealt with by limiting your exposure to any particular stock. The other type, which cannot be diversified away, is the volatility of the entire market. Every stock in the market is exposed to this volatility, which is linked to the fact that stocks prices are correlated in an efficient market.
Some stocks see their prices move in concert with the market. Others tend towards stronger, gentler or unrelated price movements. Beta is a widely used metric to measure a stock's exposure to market risk (volatility). Before we go on, it's worth noting that Warren Buffett pointed out in his 2014 letter to shareholders that 'volatility is far from synonymous with risk.' Having said that, beta can still be rather useful. The first thing to understand about beta is that the beta of the overall market is one. A stock with a beta greater than one is more sensitive to broader market movements than a stock with a beta of less than one.
What MRTX's beta value tells investors
Given that it has a beta of 1.95, we can surmise that the Mirati Therapeutics share price has been fairly sensitive to market volatility (over the last 5 years). Based on this history, investors should be aware that Mirati Therapeutics are likely to rise strongly in times of greed, but sell off in times of fear. Many would argue that beta is useful in position sizing, but fundamental metrics such as revenue and earnings are more important overall. You can see Mirati Therapeutics's revenue and earnings in the image below.
How does MRTX's size impact its beta?
Mirati Therapeutics is a fairly large company. It has a market capitalisation of US$2.4b, which means it is probably on the radar of most investors. It takes a lot of money to influence the share price of large companies like this one. That makes it interesting to note that its share price has a history of sensitivity to market volatility. There might be some aspect of the business that means profits are leveraged to the economic cycle.
What this means for you:
Beta only tells us that the Mirati Therapeutics share price is sensitive to broader market movements. This could indicate that it is a high growth company, or is heavily influenced by sentiment because it is speculative. Alternatively, it could have operating leverage in its business model. Ultimately, beta is an interesting metric, but there's plenty more to learn. This article aims to educate investors about beta values, but it's well worth looking at important company-specific fundamentals such as Mirati Therapeutics’s financial health and performance track record. I urge you to continue your research by taking a look at the following:
- Future Outlook: What are well-informed industry analysts predicting for MRTX’s future growth? Take a look at our free research report of analyst consensus for MRTX’s outlook.
- Past Track Record: Has MRTX been consistently performing well irrespective of the ups and downs in the market? Go into more detail in the past performance analysis and take a look at the free visual representations of MRTX's historicals for more clarity.
- Other Interesting Stocks: It's worth checking to see how MRTX measures up against other companies on valuation. You could start with this free list of prospective options.
We aim to bring you long-term focused research analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material.
If you spot an error that warrants correction, please contact the editor at firstname.lastname@example.org. This article by Simply Wall St is general in nature. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. Simply Wall St has no position in the stocks mentioned. Thank you for reading.