If many will be using it as a currency certainly it will fluctuate less but I doubt it as of this early. Many people find it a good thing for investing and day trading. This day trading and holding of coins do create a lot of volatility and if this continues maybe it will never be stable as a currency.
There is no hard and fast rule that these days bitcoins would be highly volatile and these days would be a low for bitcoins. No, rather there is just random high and low beeps of bitcoins and they are amazing despite of high fluctuations. In other sources of income, people withdraw their investment if the source is volatile, but here in bitcoins, the scenario is totally different and astonishing.