Viii-Losing Streaks Probability and Money Management:
What is the probability of a
losing streak? If your strategy has a win rate of 60% there is chance you will
experience a streak of 12 losses in a row.
|
Win % |
Probable streak |
|
40 % |
21 |
|
45 % |
18 |
|
50 % |
16 |
|
60 % |
12 |
|
70 % |
9 |
|
80 % |
7 |
|
90 % |
5 |
Let us say a trading system
has 60% accuracy. It means out of 100 trades, 60 are winning trades, and
40 are losing trades.
Automatically, we assume
the result will come in this pattern: WLWLWLWLWL. Where, W - Winning
Trade and L -Losing Trade. But statistically, there is a possibility
of 9 losing trades in one stretch when the accuracy is 60%. It means it looks
like this: WLWLLLLLLLLLW. Let us say you
have a habit of betting 10% of your capital
per trade. In this case, your entire capital will be wiped
out (except that 10%), and your situation will be pathetic. But if
you risk only 2% of your capital per trade, then you lose only 18% of the
capital and still you will be in a better frame of mind to manage trading.
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