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If you own shares in Pacific Basin Shipping Limited (HKG:2343) 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 can be a useful tool to understand how much a stock is influenced by market risk (volatility). However, Warren Buffett said 'volatility is far from synonymous with risk' in his 2014 letter to investors. So, while useful, beta is not the only metric to consider. To use beta as an investor, you must first understand that the overall market has a beta of one. A stock with a beta below one is either less volatile than the market, or more volatile but not corellated with the overall market. In comparison a stock with a beta of over one tends to be move in a similar direction to the market in the long term, but with greater changes in price.
Check out our latest analysis for Pacific Basin Shipping
What we can learn from 2343's beta value
Zooming in on Pacific Basin Shipping, we see it has a five year beta of 1.45. This is above 1, so historically its share price has been influenced by the broader volatility of the stock market. If this beta value holds true in the future, Pacific Basin Shipping shares are likely to rise more than the market when the market is going up, but fall faster when the market is going down. Share price volatility is well worth considering, but most long term investors consider the history of revenue and earnings growth to be more important. Take a look at how Pacific Basin Shipping fares in that regard, below.
Could 2343's size cause it to be more volatile?
With a market capitalisation of HK$6.8b, Pacific Basin Shipping is a small cap stock. However, it is big enough to catch the attention of professional investors. It is quite common to see a small-cap stock with a beta greater than one. In part, that's because relatively few investors can influence the price of a smaller company, compared to a large company.