Trading Systems Pros and Cons
Even
God cannot change the past.
AGATHON
In my
years of trading, I have met essentially four types of traders: the purely
technical trader, the purely fundamental trader, the techno-fundamental trader,
and the intuitive, seat-of-the-pants, guts-and-glory trader.
The
Purely Technical Trader
Although
there are relatively few traders who are pure market technicians, there is much
to be said in favor of such an approach. But being a pure technician should not
be taken as synonymous with being a disciplined trader. Yet the technical
approach, as long as it is not subject to interpretation, can be very helpful
in the formula for successful trading.
The
purely technical trader is more concerned with analysis and the realities of
his or her technical indicators than in the news backdrop, the ramifications of
politics on the markets, or the emotion of traders (unless these can all be
quantified and expressed as indicators). While many traders fancy themselves to
be pure technicians, they are, in fact, not as pure as they may imagine
themselves to be.
They
allow subtle external influences to creep into their decision-making process in
spite of their supposedly technical bent.
The
good news for market technicians is that they are apt to be more disciplined
and less subject to the emotional reactions that are often associated with
losses in trading. By remaining focused on their indicators, they will be less
apt to respond to situations emotionally and, therefore, more likely to trade
mechanical systems with strict discipline. Hence, the benefits of being a pure
technician are as follows:
- Clearly defined rules for market entry and
exit
- Specific rules for exiting losing trades
- Less likelihood of riding losses beyond their
dictated exit points
- Greater likelihood of maximizing profits by
not exiting too soon
Are
there any cons to the use of a purely technical approach? Some traders would
have us believe that being a purely technical trader ignores the realities of
the marketplace. They claim that international and domestic events can, and do,
have a major impact on price trends and patterns. Hence, they claim that the
technical trader is like an ostrich with its head in the sand. The technical trader
would retort by stating that a good technical system will anticipate major
events, allowing the trader to enter before they occur or, at the worst,
shortly after they begin. On the other hand, the retort to this claim is that
some events, such as catastrophic weather or assassinations, cannot be
predicted. The technician would reply that in such cases, which are few and far
between, the system would protect the trader by taking a loss. Hence, risk
management "saves" the system trader when the trading
method is surprised by unexpected events.
The
Purely Fundamental Trader
This
type of trader is a rarer breed than the purely technical trader. Why is this
so? The simple fact is that fundamentals are much more difficult to understand
and to find than are technical. Frequently, only a few insiders who are able to
act on their knowledge well before the majority of traders have the news know
the fundamental changes and conditions that precede or cause major market
moves.
Furthermore,
once a trader has the relevant fundamentals, they must be interpreted.
Interpretation of fundamentals varies from one individual to the next. A given
set of statistics might mean one thing to one trader but an entirely different
thing to another trader. All too often the interpretation of fundamentals is a
function of one's position. A fundamental trader with a long position will,
therefore, be more apt to interpret a bearish report as bullish, while a
fundamental trader with a short position will be more apt to interpret a
bullish report as bearish. "Talking one's position," as this is called, is not unique to fundamental traders, but it is
more common, since fundamentals are subject to considerably more interpretation
than are technical.
The benefits of being a purely fundamental
trader are as follows:
- You will always have a reason or justification
for your trade.
- Your trades will always make sense.
- If your analysis of the fundamentals is
correct, then you'll catch the major moves.
- When the fundamentals change, you will be
able to change your position.
Of course, all of the above are predicated on
the availability of fundamental information and on its correct interpretation
once it has become available.
The Techno-Fundamental Trader
This group of market
participants is larger than either the pure technician or the pure
fundamentalist groups. As its name indicates, those who follow this method
either knowingly or by accident tend to combine technical timing and trend
factors with fundamentals. Hence, when the fundamentals are bullish, the trader
would be on the lookout for technical indicators that correlate with the
fundamentals in order to fine-tune market entry. The justification for this
approach (and it's a reasonable justification) is that markets do not always
respond to fundamental changes immediately. At times there is a delay in the
amount of time it takes for the fundamentals to sink in or to be assimilated by
traders. Hence, timing in the form of technical signals will help the
fundamental trader fine-time entry. Theoretically, when both methods are in
conjunction, the odds of success will be greater.
The benefits of being a techno-fundamental
trader are as follows:
- Timing will ideally complement fundamentals,
causing them to work better.
- Timing and fundamentals together comprise the
best of both methods in trading.
- Trades can be justified and understood on two
different levels.
- Your trading will be responsive to world
events, as well as to technical signals.
The Intuitive Seat-of-the-Pants, Guts-and-Glory Trader
No
matter what term you apply to this type of trader, the fact is that they rarely
follow any trading system, method, or indicator for more than a few days or
weeks. One day they'll be singing the praises of triple moving averages, and
then next day they'll extol the virtues of the Elliott Wave. Let their pet
system of the day or week take a loss, and the love comes to a crashing end.
Such
traders are rarely systematic in anything, tend not to follow a plan, tend to
act on an emotional or gut level, and tend to be consistent losers in the
markets. But why?
Summary
Trading
systems are not the panacea to resolving the many limiting factors that are
part and parcel of futures trading. The good news is that a trading system will
give you strict rules to follow. The bad news is that most traders will not
follow their rules. And finally, there can be more bad news if the system you
are using has been overly optimized.