Forum Archive Index - February 2003
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[sharechat] Why Buffett doesn't use Charts
Bill wrote:
"I cannot understand why people rubbish charts. If you only used
for entry and exit points it could save you heaps especially on
an expensive stock as FPH."
OK, I'll give this one a go!
Warren Buffett, before he buys a stock, looks back over the last ten
annual reports for his buying target company. He looks at the
record of management instituting their business plan. He goes and
visits the business on the ground. He strives to get the best
understanding he can of the market in which the target
company operates. Most of all he tries to get a firm fix on what
gives that business a consumer monopoly. Once he has done this he
works out what is a cheap entry price for buying the business. He
then files all this information in the back corner of his brain, goes
out and finds the next ten people on the street and makes his buy
decision solely on what the majority of them think.
Well, that's all true except for that last bit! You can see how
silly it would be if having done all that work, Warren made a
decision solely on the opinion of other people. Yet people who use
charts exclusively are effectively doing just that! A chart is
simply a record of what a small fraction of the different part owners
of that business think over time. I can guarantee you that none of
those part owners would have a better grasp of the company's
situation than Warren. So why should he listen to them? He
doesn't, which explains why Warren doesn't use charts.
A argument has been put forward for using T/A for timing. But this
is of limited use to Warren. Warren knows when a stock he wants to
buy is cheap, and Warren has a good idea of where the price of that
stock will go to at some stage in the future. Exactly when it
will go up Warren doesn't know, but that is something he doesn't have
to know! Warren is patient. Warren simply waits for the
market to catch up with him and so fairly price the stock. Or if the
stock price goes too far above fair value then Warren will sell.
Warren targets an internal rate of return of 15% per annum for his
investments. This does not mean he expects 15% every year. But over
a ten year period the return will be above and below this level
averaging out to around 15%. If Warren sees a stock that will yield
him this amount and it is in a downtrend he will buy it. Why not
wait for the bottom? Because if Warren does that, there is a chance
that the share will have moved above his target buy price. If the
share goes lower he doesn't care because he has already locked in his
target rate of return.
Using this approach means that Warren will save far more on
expensive stocks than a chartist. He must do, because Warren doesn't
buy expensive stocks *at all*. Warren will only buy a share he
calculates is cheap, no matter what the charts are saying.
SNOOPY
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