Expectancy of trading system
What is Trading Expectancy?
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To do this, you will be required to rewire your mindset. The first step in this process is to rejig your understanding of two core topics: Expectancy; and Risk. What is expectancy? An expectancy above 0 means you have a profitable trading strategy. You can then start to express your trades in terms of R, instead of in terms of dollar or pips.
How to calculate the expectancy of your trading system Now that you know what an R-multiple is, we can get back to calculating your expectancy.
Add up the total R-value of your trades. Divide this total by the number of trades you have made.

Money management rules can be developed independent of your entries and exits Part of the value of this approach is that it separates your trading into two distinct components, each of which can be worked on independently. An entry and exit strategy that generates an average number of R-multiples over time; and A position-sizing money management algorithm that is then applied on top of the entry and exit strategy.
A bag of marbles Recently I attended a 9-day trading course with the aforementioned Van Tharp.
While there are several different variations of the game, the basic premise remains the same: Each marble pulled from the bag is a trade in R-multiples. The only control that each participant had was their position-sizing rules. A conversation with an ex-bank trader Sean Lee is one of the true veterans of the Forex market.
Positive Expectancy - Pip Mavens
This means she has reward-to-risk of This gives us a bit more insight into the traders. We can see that mike, for example, is willing to risk three times more than he stands to gain in any one trade. Sarah in contrast is looking for a bigger pay-off but not willing to risk as much as Mike per trade. Neither of those approaches is inherently good or bad as a trading strategy. Trade expectancy essentially tells us how much we stand to gain or lose as a trader for every pound risked. As a trader the long term goal is of course to make a profit rather than break-even or lose money.
Her reward-to-risk strategy means that she can be wrong much more frequently than Mike, but still make a profit overall.
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Nevertheless, expectancy is a good benchmark to evaluate a trading strategy. You could also think of expectancy as how much you can theoretically expect to get paid for each trade you take over time. However, figuring out your expectancy helps shift focus away from being right per trade to instead how right you are overall.
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The Impact of Trading System Expectancy on Successful Trading
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