Financial Spread Betting Rules – Always Follow The Trading System

Phil Seaton’s 7 Rules of Successful Financial Spread Betting

Here is part 5 of my rules of successful financial spread betting

5.    Always follow the trading system

If you want to be successful when trading the markets you must first have a trading system that works and you must have the discipline to always follow that system, come what may.

A good and robust trading system should have been vigorously back tested over a fairly large amount of market data. I suggest a minimum of 10 years but more is better. In my own system development I use a 25 year database spread across numerous markets. This is the database used to create the LS Trader system.

Whilst the back testing of a system does not and cannot predict what will happen in the future, if testing is done over a sufficient sample of data then it can give you a very good indication of what to expect.

After all, what is the opposite of back testing? No testing is the opposite, which is just like trying to trade the markets blind and you are trading based purely of hunches and guess work. This “seat of the pants” trading is highly unlikely to be successful in the long run. It is also much more difficult to keep trading when you go through a losing spell if you do not have a specific system or rules to follow and just rely on your gut.

A good trading system should have specific rules for each and every situation or sequence of events that may come up in the markets so that you should always know what to do in any given situation. In fact, a good trading system should mean that you don’t need to sit in front of the screen all day long as it should not be short term and should use stops. You should have stop losses set so that whatever happens you know exactly where you are getting out of any positions that you may be in.

Back testing often gets bad press as people often assume that what is being done is curve fitting i.e. looking at a chart and saying if you bought here and sold here then you would have made x amount. They then make rules based on the specific data to come up with a system that performed very well in the past on the market tested.

This obviously has little if any value. That is not real back testing. In true back testing you would come up with a set of rules and then run that over a period of data and see what the results are. You then change around the parameters of the system until you come up with what appears to be the best parameters.

To ensure that the financial spread betting system is not curve fitted you must change the markets that you tested it over by either adding or taking away some markets, test over more or fewer markets and then finally change the period of the test.

You can test against a shorter or a longer period by changing the start or end date of the test or by testing the data in the middle of the data range. If you run all these tests and you are still getting fairly similar results without a dramatic shift in the performance of the system then you have a good robust trading system that is not curve fitted and that is much more likely to give similar performance in the future as it has in the past.

By using proper back testing you will have an idea of what to expect from the trading system that you are trading, both in terms of profit potential and in terms of equity drawdown. A drawdown in equity is from the high point of your equity to the low point and is measured both in percentage of equity and in the time it takes to recover from the low point of equity to make new equity highs.

All systems will have drawdowns and losing periods. It is a fact of a trader’s life and has to be accepted. If you know that a system has a positive expectancy and what the likely drawdowns will be then you can prepare in advance. If you don’t like the drawdowns of the system that you have or find it uncomfortable to keep trading through them then you can reduce your trading size until things fall within your comfort level.

If the drawdowns are likely to be beyond your comfort level then you will find it difficult to keep following the system through losing periods and are best to reduce your risk per trade in advance.

The entries and exits in a trading system have been calculated for a reason and you must always follow them. For example, if your trading system shows that you trade the British Pound and a new signal comes along saying that you should go long the pound, but you don’t like the trade because you think it’s too high already (or have heard some news report saying the pound won’t go any higher or some so called expert has said that the market is over- bought!) you should still take the trade. You must be willing to follow a trend.

It is vitally important to take all the signals which are generated by the trading system, irrespective of your opinions on that particular market or the price that the market is currently at. Consistency is the name of the game. It is always a good probability that the trade you do not take will be one of the big trends of the year and failing to take the trade can have a huge impact on the profitability of the system.

REMEMBER IT IS ALWAYS BETTER TO TAKE A SMALL LOSS THAN IT IS TO MISS A BIG PROFIT OPPORTUNITY.

For those readers who don’t have the time, knowledge or interest in developing their own robust trading system, I have already done all the work for you and have created a complete, robust trading system based on vigorous back testing over 25 years of data. I have also been trading this system myself and it has performed exceptionally well.

My sixth rule of successful financial financial spread betting will be published on this blog soon.

Good luck in your spread betting

Phil Seaton



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