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Big Bass Crash. Blocks. Cash Plane X5000. Circus Launch. Duplique a Sua Massa Pull Tab.What is volatility? Volatility is the rate at which the price of a stock increases or decreases over a particular period. Higher stock price volatility often means higher risk and helps an investor to estimate the fluctuations that may happen in the future.The idea behind low-volatility funds is simple: stocks that fluctuate less than the market as a whole are supposed to do better in bad times while still faring well in good times.