Kelly Criterion Investing: Calculator and Strategy
Tuesday, March 16th, 2010One of the most effective ways to invest money in stocks is to use Kelly Criterion. The objective of Kelly criterion is to let you know how much you should invest in each equities of your highly diversified stocks portfolio to maximize the capital growth. In short, %Kelly is the percentage in your total equity of which you will need to invest in each of those securities. For example if Kelly percentage is 5%, it says that you need to invest 5% capital to each of your equities.
If 100% represents the total equity, then with 5% it is possible to invest in around (100/5) = 20 highly diversified stocks. This % will guarantee the maximum growth of investment. Interesting isn’t it?
Let’s take a look at the Kelly criterion formula:
Kelly percentage = Winning Probability – [(1 – Winning Probability) / WL]
Where:
Winning Probability = probability of winning trades. If you already made a total of 200 trades in the past and around 105 are winning trades. The Winning probability is: (more…)
