To trade to win, you need to project the expected outcome of your methodology. Suppose you stand at a bar every Friday to hit on chicks. With 52 Fridays a year, you meet the requirement of the statistical rule of thumb of having a sample size larger than 30, such that you allow the law of large numbers to come into effect. Some Fridays you get laid, some Fridays you get a number, some Fridays you ...
...As much as A Random Walk Down Wall Street would like you to believe in the unpredictable nature of markets and the challenge of beating the game, there is a method to the madness. The efficient market hypothesis was written by professors who couldn't trade profitably over the long run. A vegetarian may tell you meat is gross, but fuck the cunt who does, what does he know of the pleasures of chicken nuggets!
