Somebody once questioned me ‘if there were only a single performance summary I could look at to make a decision about a trading system what would it be?’ My initial response was that this was a ridiculous question. There are many factors that must be taken into consideration when choosing trading systems. There are many performance indicators and ratios. Things such as average annual return, maximum drawdown, Sharpe ratio, margin demands, robustness, the lists are lengthy, but, there has indeed been a single report that I have come to rely on more than any other report. It is a report that has given me more comfort and confidence as a system trader than any other report. If I knew a system was correctly developed, I could practically use this report alone to decide about trading it! So what is this report? It is ‘Start Trade Report’.
In my view, the start trade report offers the most powerful three dimensional view of trading systems attainable. It cuts through so many of the problems in conventional analysis. It even cuts through the absurdity involved in looking at real-time performance. I can hear it now ‘wait a minute, how can real-time performance be fought with?’ Let me give an case in point with one of my systems Synergy. In May of 2003 Synergy began a trade in London Copper. The trade grew to become the most profitable trade of the year. As of this writing, (March 7th 2004) the trade has profits of over $25,000 a contract. If a investor were utilizing position sizing, he may have had on 2 or 3 (or more) of these contracts, however had they began a week or even a day following this trade they would have missed it! Two traders trading the same system with the same amount of money and the same money management rules could show a $25,000 or $50,000 or $75,000 (or more) variation in their accounts! They may well have only began one day apart! This can produce enormous frustration, because one brokers real time accounts could be far different from other brokers real time accounts with the identical trading systems.
This phenomenon can also be used for disingenuous purposes. It is possible for a trading systems vendor to cherry pick the best historical starting date for his test results. He can choose a date right before a huge winner (or series of winners). This can cause it to look as though the system needed little original starting capital and that the return on invested funds was enormous. The first winners financed trading. However, what if trading had started on a different date? What if a trader had started on a date that was right before a series of losers? They might have needed 2 or 3 or 4 times the starting capital than they would have had they started on a different date. The return on invested capital would be much less, or, they might have lost all their investment before earning the profits shown.
Even if a broker or vendor shows an average of many accounts this can still be a meager view. They could still cherry pick the 3 or 4 accounts and their different starting dates, or they could have so few accounts to average from that the information suffers from what statisticians call a small sample size (This means not enough data to draw any legitimate findings.)
The worst offender would be if a disingenuous brokerage or vendor were pushing day trading systems because of the excessive volume of trades and commissions it generated and then utilized some cherry picked ‘real time’ accounts to ‘prove’ that it was successful.
The point I am making is that there are numerous ways that start dates can effect performance, both in hypothetical reports and real-time performances. Traders need to have something robust.
What is the answer? Well, in my opinion it is the start trade report. What the start trade report does is tests various systems hundreds or thousands of times over the given period. Each test it starts on a new date that coincides with a date that traders could have taken a new trade. If there were 2000 trades over a 10 year period, then it will retest the system 2000 times starting on the date of each new trade every time. It also resets the equity back to the initial starting amount with each test. This is essential because when using position sizing investors may bypass some trades in the beginning when the equity is small. It is not proper to look at the results of trades that a trader would not have taken. I have occasionally observed brokerage firms report on trades my system produced that many of my clients would not have considered (based on their account size.) For example, a $3,500 losing trade in a system where most clients would have missed any trades with risk above $2,000. The start trade report knows to skip trades at the right time based on the traders beginning amount. This report can also let traders consider performance based off of the margin required. What this allows investors to do is see ALL the final results, rather than just one.
A few things a Start Trade Report can show traders are:
1. What percentage of the first 12 months were profitable over 2000 different starting dates?
2. What was the average first year performance when averaged over 2000 different starting dates?
3. How much money did my account need if I started on the worst possible date?
4. What was the average account size I needed to trade the system over 2000 different starting periods?
5. What were the average and the most I ever went under my original starting amount? (This is different from maximum drawdown)
This report permits investors to filter out so much of the rubbish seen in typical performance reporting. It filters out so many problems in reporting ‘real time’ performance founded on a small sample size or ‘cherry picked’ beginning dates and accounts.
I hope traders can see that this information is invaluable. I seriously do not know how a investor could ever trade any trading systems without it. Traders can see how much comfort and confidence this can build when they have looked at a system in this much detail. When I began trading, this is he report that gave me extraordinary peace of mind. It was the only report that comforted me when there were drawdowns. It allowed me to recognize whether we were in the normal ranges of the bell curve. It also gave me a realistic range of outcomes to expect in the initial year of trading.
We believe that providing traders these reports gives them an incredible edge and builds confidence. Traders need this confidence when the inevitable drawdown comes. In my own personal case, Im able to remain calm during those times because of these reports. To get a copy of the start trade reports please email us.
Dean Hoffman
DH Trading Systems
HYPOTHETICAL OR SIMULATED PERFORMANCE RESULTS HAVE CERTAIN LIMITATIONS. UNLIKE AN ACTUAL PERFORMANCE RECORD, SIMULATED RESULTS DO NOT REPRESENT ACTUAL TRADING. ALSO, SINCE THE TRADES HAVE NOT BEEN EXECUTED, THE RESULTS MAY HAVE UNDER-OR-OVER COMPENSATED FOR THE IMPACT, IF ANY, OF CERTAIN MARKET FACTORS, SUCH AS LACK OF LIQUIDITY. SIMULATED TRADING PROGRAMS IN GENERAL ARE ALSO SUBJECT TO THE FACT THAT THEY ARE DESIGNED WITH THE BENEFIT OF HINDSIGHT. NO REPRESENTATION IS BEING MADE THAT ANY ACCOUNT WILL OR IS LIKELY TO ACHIEVE PROFIT OR LOSSES SIMILAR TO THOSE SHOWN.