Dollar cost averaging is a trading methodology where an investor purchases a fixed dollar amount of a security, over regular intervals (e.g., monthly, quarterly). This way the investor avoids the risks associated with taking their entire position at once. Dollar cost averaging plans work best with a longer investment time horizon. This is because the stock will have greater price fluctuations over a longer time frame, which will provide a number of opportunities for an investor to add to their position. If the market is in a strong bull market, a dollar cost averaging plan will not beat a lump sum strategy. But in the event the market has a pull back, like the credit crisis of '08, an investor will be able to avoid significance lossess, as a result of buying the security as it pullbacks.
There are a number of steps a trader must take in order to develop a sound dollar cost averaging plan.
The below chart is from Las Vegas Sands Corporation (LVS) from early '05 through the end of '07. Notice how LVS was in a consolidation phase with a downward bias during '05. This stock was a prime candiate for dollar cost averaging as a trader would be unsure of how low LVS could go in the near term, but was certain that the stock will be higher over the next 2-3 years.
