Monday, August 2, 2010

Drawdown in Forex Trading

The drawdown is a very important property of any Forex trading report, strategy or expert advisor. The drawdown characterizes the risk of the employed strategy. Profitability of a given strategy should always be considered in couple with the drawdown because otherwise you won’t take the risk into account and that’s a very bad thing to do. Forex is a probability-based activity and thus should be treated from the risk/reward perspective.

The drawdown is a difference between some local maximum point in your balance chart and the next following minimum point in that chart. It’s the risk amount by which your strategy can go down during a streak of losses. There are two types of drawdown that are considered to be the important properties of expert advisors (for instance, in MetaTrader platform) — absolute drawdown and maximal drawdown.

Absolute drawdown is the difference between the initial deposit and the minimal point below the deposit level during all test period. It tells you how big your loss can become compared to the initial deposit during the trading. If this value was 0 during the test, then your deposit wasn’t at risk at all.

Maximal drawdown is the maximal difference between the local maximum extremum in your equity chart and the next local minimum extremum in your equity chart. It tells you how low your strategy can go after getting some profit. It can also be called a depth of a losing streak. Generally it’s a good idea not to trade with EAs with the maximal drawdown higher than the profit. But I don’t recommend trading even with strategies or expert advisors that have maximal drawdown at levels higher than 25% of the net profit. Mind your own risk-to-reward ratio and don’t trade with EAs that don’t comply with it.

Now you know what drawdown is and how it’s calculated in Forex trading. Unfortunately, the current version of MetaTrader 4 (Build 225), the strategy tester incorrectly calculates the drawdowns, so if you are testing your EAs, it’s better to calculate both the absolute drawdown and the maximum drawdown manually.

If you have your own opinion or questions about maximal or absolute drawdown, feel free to leave it in a comment to this post.

50 comments:

  1. very useful information about drawdown

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  2. I think that this article may be very useful and first off all very helpful

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  3. I just know how to make big deal in forex with Drawdown Forex trading report here. Thanks for share

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  5. I was really confused about absolute and maximal drawdown before..Thanks for your explanation about their difference.

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  6. Wow, it's good to know that the profitability should be considered with a drawdown. We all know how risky Forex Trading is, so this is very wise to know.

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  7. This has enlightened me in regards to drawdown in forex trading. The article is well written, informative and worth bookmarking. Thank you.

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  8. This comment has been removed by the author.

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  9. I really didn't understand the meaning of drawdown in forex trading. However, I have got so much knowledge from here. Very informative. Thanks for sharing.

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  20. I really didn't understand the meaning of drawdown in forex trading. However, I have got so much knowledge from here. Very informative. Thanks

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  32. Forex trading is money minting in many ways and it can also be a disaster if not traded properly and it is better to know some of the finer points like
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  33. very informative article about forex trading. thanks for this.

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  36. This comment has been removed by the author.

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  39. I just start forex trading. i don't know about drawdown. Your article is so useful to me. thanks for sharing.

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  42. Nice explanation. Many traders will surely get benefit from it.

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  43. thanks for your sharing such a detailed stuff

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  44. This has enlightened me in regards to drawdown in forex trading. The article is well written, informative and worth bookmarking. Thank you.

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  46. I really didn't understand the meaning of drawdown in forex trading.btw i have got so much knowledge from here.i think u know about it very well

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  47. Very usefull article with lot of Forex Trading Basics information. All the points are covered and explained with full details . thanks for the sharing

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  48. I would be suggest no more 5% is best for sure no more than 10%for a draw down.The akk datail yiu have nice define..Thanks for a good deatail..

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