Risk Management for trading Stocks, Shares and CFD using Position Sizing.

One of the most critical things to consider whenour trading capital.
trading Contracts for Difference [CFD's], stocks andPOSITION SIZE
shares is the management of risk. Given that risk isSo, here's the equation for working out how many
magnified in proportion to the amount of leverage orshares to buy-
deposit used, we need to tread very carefully.POSITION SIZE = RISK CAPITAL/ RISKso our $1000
First let's look at a traditional trade of shares oris divided by $0.50 to give us a figure of 2000.
stocks2000 shares X $0.50 = $1000 which is our 'agreed'
Let's say we identify an opportunity to buy companyrisk.
ZYX at $10 as it has satisfied the rules of our 'tradingSo we can purchase 2000 shares of Stock ZYX, but
system', the stop loss for the trade is $9.50 if thein this example we are limited by our account size -
trade does not turn out as expected - this equates$10,000.
to a risk of .50 cents per trade. This is step one.Were we to buy the full 2000 shares we would need
Step ONEto find $20,000 in capital.... this is where CFD's or
Identify Buy price $10.00margin accounts are VERY useful.
Identify Stop Loss $09.50IF we buy 2000 CFD's of the stock ZYX we would
Map Risk $00.50only need to put down a deposit of 5% of the
The next thing we do is to work out our position$20,000 stock value
size based on the AMOUNT OF RISK we are willing(2000 X $0.50) X $10 / 5%
to accept.Deposit to HOLD $20,000 CFD's of stock ZYX =
If you have a trading system that you have$1000
historically tested to be accurate and you are VERYNow we just need to sit with the trade to see if it
confident of it performing well into the future thenturns out as we EXPECT or lose the 'agreed' amount.
you could consider using 10% of your account perLet's say that our target - because any good 'Trading
trade. This means you would have in the worst casesystem' should have exit targets to sharpen the
scenario 7 to 9 losing trades before all your moneymind- let's say an exit was signalled at $10.30 - we
disappears.would make $0.30 on each share , so:
Professional traders, fund managers and floor tradersA profit of $0.30 per share on 2000 shares of ZYX =
are well aware of the road kill left over after new$600 profit. 2000 X $0.30 = $600
traders come out with all guns blazing and and areIf the trade had not turned out as planned the
crushed by the juggernaut of the real world ofequation would be as follows:
trading, meanwhile the professionals just keepA loss of $0.50 per share on 2000 shares of ZYX =
plodding along.... risking their 1% to 2% of account$1000 loss. 2000 X -$0.50 = -$1000
and steadily building profits over time. If one to twoSo there you have it let's recap:
percent sounds boring let me let you in on a littleStep ONE
secret.... if you are trading for excitement you're notIdentify Buy price $10.00
going to last long! In my experience profits thatIdentify Stop Loss $09.50
come fast also go fast, until you get your mindsetMap Risk $00.50
right about money.Step Two
Let's assume we have $10,000 in our trading account,Identify how much of your trading account you are
if you didn't know any better you might thinkwilling to put at risk in our examplea 10% risk on a
$10,000, great! Let's buy $10,000 worth of stock -$10,000 account = $1000
WRONG - this is GAMBLING which is significantlyStep THREE
different to TRADING.IDENTIFY POSITION SIZE = RISK CAPITAL/
Using the previous example let's say we are willing toMapped RISK
lose a maximum of 10% of our trading capital - weSo our $1000 [10% 0f $10,000] is divided by $0.50
could equate this to having $100 in your pocket in[STEP ONE] to give us a figure of 2000 shares.
$10 dollar bills and losing one $10 bill. You wouldn'tIf you cannot trade CFD's but have access to margin
mind so much I imagine, but if you had a singlelending you can apply the same principles, though of
hundred dollar bill and lost that you'd be 'feeling'course you would also need to be aware of the
pretty annoyed wouldn't you, so for the sake of'leverage ratio' as required by your lender.
sanity we'll assume we are 'OK' with losing 10% of