Using Exposure Per Trade in Examples
Our lesson continues with the exposure per trade example from the previous page.
After opening the trade on October 13th based on a certain analysis and technical picture, price breaks in the opposite direction!
Traders that use risk management techniques such as exposure per trade, are less likely to close a position at the first instance of the market swinging against them.
A trader with a risk management plan is not as easily affected by fear because he has already determined when he would exit the position if the market continues to move in the wrong direction. Therefore, the price movement after the position is open (3) is considered noise. With this trading strategy in place the trader would be able to gain once the market turned back up. Fortunately for the trader, the market changed direction at an opportune moment as the stop was very close to being activated. However, if price did not turn around and kept heading downward, the trader would close the position once his maximum risk level for any particular trade was reached.
Sizing a Position
In another scenario, a trader wants to enter when the market breaks the (1) high, and also establishes a stop at 1.2480. The next time that price breaks 1.2575 is on October 19th.
Let's first look at a trader that has a $20,000 account and is willing to risk 5%, or $1,000, as his exposure per trade. Since the stop is 100 pips away, or $1,000 away on a standard 1 Lot, he would take out a 1 Lot position. With this size trade, if the market moves against him and the position gets stopped out, he would have lost only 5% of equity as planned.
If there was a similar trader that chose 5% as her exposure per trade and had the same stop, but had $10,000 in her account then a 1 Lot position would not work for her. If she was to open a 1 Lot trade, and her stop was reached, she would lose 10% of her account, not 5%. Therefore, the proper size for her risk threshold would be a position that is 5 mini-lots or .5 standard Lots.
Sizing a Position 2
Let's go back to the trader from our first example (from previous page), but now he does not place a trade on October 13th.
After there is a new bottom on the 14th, and the currency starts to show strength again, this trader wants to enter when a new high at 1.2520 (5) is broken. He will get that chance either on the 15th or the 18th. Entering at this level, while having the same stop means the trader can take on a bigger position as the amount of pips to get to the stop (risk) is now smaller by about half.
For a $20,000 dollar account, with a 5% risk per trade threshold, the position can be 2.5 Lots. An adverse move to reach the stop is around 40 pips, which is equivalent to $400 for 1 Lot. Since the trader has $1000 to risk on this trade, he divides $1,000 (exposure per trade) by $400 (possible loss for 1 Lot) to get the number of Lots he would take out for this position. For example, a 1 Lot position, when the stop is reached would have used 2% of equity (20,000/400=.02). For a 2 Lot position the stop would be activated at 4% of equity. The trade size that fits the trader's exposure per trade is 2.5 Lots.
In the same scenario, for a trader with $10,000 in her account and 5% as a chosen exposure per trade, the position she would open would be 1.25 Lots. The number is calculated by dividing her exposure per trade, $500, by the possible loss for a 1 lot trade to the stop, $400.
Therefore, $500/$400 = 1.25 Lots.
There is a lot to learn about position and money management. The ideas presented here are a very basic primer and it is recommended that you study trading psychology and proper risk management to improve your chances of surviving in the Forex market.
Now, we will continue our lesson by presenting some more basic concepts.
Last Modified: 2009/10/27 05:43:08