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Below is an extract from a commentary originally posted at www.speculative-investor.com on
23rd August 2007.
How will we know when the Yen carry trade has been completely 'unwound'?
Nobody knows the total extent of the Yen carry trade, but it is probably at
least US$500B and could be as much as US$1T. At least, these are the sorts
of numbers that would have been applicable prior to the recent surge in the
Yen and associated plunges in the investments/currencies that had been purchased
with borrowed Yen. Clearly, whatever the size of the Yen carry trade at this
time last month, it is a lot smaller today. The question is: has the Yen carry
trade now been almost completely unwound?
Our guess is that hundreds of billions of dollars of Yen carry trades remain
in place, because the exiting of all, or even the majority of, these trades
would have resulted in a lot more than a 10% rebound in the Yen and 10% pullbacks
in the senior stock indices. In any case, the signal that the Yen carry trade
has been reduced to a shadow of its former self will be a sizeable bounce in
the Yen that is not accompanied by 'all heck' breaking loose in other markets.
Putting it another way, when the Yen can rally by 2% without causing other
markets to plunge we'll know that the Yen carry trade is no longer a dominant
influence in the financial world.
And once the Yen carry trade has been mostly 'unwound' we suspect that it
will remain that way because speculators will not soon forget the cost of making
large one-ways bets against this currency. This means that the shakeout that
got underway last month should ultimately result in the Yen's longer-term BULLISH
fundamentals being permitted to exert their rightful influence on the currency's
relative value.
A US$ rally: probably not now, but soon
How bearish would a break below 80 be for the Dollar Index? With reference
to the following weekly chart, perhaps as bearish as the 1992 break below 80.

The weekly chart presented above shows that the Dollar Index bottomed at 80
in early 1991, then rallied for several months before embarking on a decline
that would take it back to 80 by the third quarter of 1992. It then dropped
below this major support level and traded as low as 78...just prior to commencing
a quick-fire 20% rally.
The price action of the past few years has been quite similar to the price
action of the early-1990s, although the price moves of the past few years have
been more subdued and have taken place over slightly longer time periods. This
doesn't necessarily mean that the end result will also be similar, but with
the US$ both under-valued and oversold relative to the euro we suspect that
it will be. (Note that we don't expect the Dollar Index to rally by as much
as 20% because US$ strength against the euro will likely be offset to some
degree by US$ weakness against the Yen, but a 3-6 month advance that takes
the Dollar Index 10-15% higher looks feasible.)
That having been said, there is no evidence in the price action that the sort
of US$ rally mentioned above has already begun. Previous intermediate-term
rallies from near major support at 80 have begun with large weekly up-moves,
but the current US$ rebound from major support has not been particularly impressive
to date. This might mean that a 1992-style spike below 80 will have to occur
before a meaningful advance begins.
Gold versus Silver
As discussed many times in TSI commentaries over the years, silver tends to
do well relative to gold when confidence in the financial system is rising
and poorly relative to gold when confidence is falling. This makes sense because
silver is more of an industrial metal than a monetary metal whereas gold's
supply/demand equation is dominated by changes in investment/monetary demand.
The above-mentioned relationship between the silver/gold ratio and confidence
in the financial system has been as strong as ever during the past two years
and is illustrated by the chart presented below. The chart compares the silver/gold
ratio with the stock price of Bear Sterns. We chose Bear Sterns for this comparison
because it is a large Wall Street financial house that fared well during the
boom years and more recently became the 'poster child' for the "subprime debt
crisis".
Clearly, as confidence has ebbed and flowed over the past two years, as indicated
by the performance of Bear Sterns, so has the silver/gold ratio. Therefore,
those who were wondering why silver has been weak relative to gold over the
past 6 months should wonder no more.

The message of the above chart is that if the "subprime crisis" worsens over
the coming 1-2 months then silver will weaken further relative to gold, but
once the crisis ends we should see silver strengthen relative to gold.
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