The
automatic buy low/sell high strategy is just one of the multitude I
have studied, and is especially popular among financial reporters and
columnists. Like other strategies, it has pros and cons.
Moreover,
the procedure is not as simple to use as it first appears, particularly
when applied by average investors, who usually have difficulty in its
implementation.
Studies
do show that buy low/sell high strategy may return more than haphazard,
in-and-out market trading, but only if it can be disciplined. That
effort can be a questionable undertaking.
The
natural tendency for anyone with a trading account is to stay attuned
to the market and constantly, actively, overreact to its influences. Few
investors, including professionals, can master that discipline, in an
attempt to determine highs and lows, amidst constant chatter.
The
main disadvantage: Many of this strategy’s adherents are not
disciplined. They wind up attempting to time what they feel are
appropriate buying and selling points. They thereby become common
victims.
The strategy can work to an extent, if used as part of a strict asset
allocation program. If, for example, under a 60/40 equity/bond program
you periodically adjusted by selling the portion that rose and then
buying what fell, you would have strategic implementation. Doing so by
precise formula would be your discipline.
However,
this strategy makes it difficult to observe duration principles on bond
holdings. There are times when the proportion of long-term,
intermediate and short-term bonds have to be arranged to meet investor
cash needs, and duration becomes a factor.
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