Kelly Criteria: Risk vs Capital
Kelly Criteria is a money management system used by gamblers that relates, or "sizes",
ones' bets to ones' risk capital.
Like all good ideas, Kelly Criteria
stands out because, not only is it easy to understand
and apply, it is fundamentally sound.
This money management method allows you to stay in the game longer by conserving
capital during periods of loss and also increases your positions during periods of
profitability. It practically eliminates the "risk of ruin". And it accomplishes all this
automatically.
It is the exact opposite of the typical losers' psychological behavior, known as "steaming"
or "going off tilt", when attempting to come from behind by risking increasingly larger sums in
an effort to get back to "even".
When they get away with it, it only encourages them. Eventually, they dig themselves
deeper and deeper in the hole until they go broke.
In applying the "Kelly"
as a money management tool in a trading situation,
determine the percentage of ones' capital to be risked on each trade. After the outcome
of a trade, one adds the profit or subtracts the loss from ones' capital account and risks
the same percentage of the remaining capital on the next trade.
That's all there is to it. Simple.
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