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Below is an extract from a commentary originally posted at www.speculative-investor.com on
8th March 2007.
With the stock market having most likely commenced an intermediate-term correction
it's a good time for us to go over some old ground; specifically, we are going
to re-visit the relationship between the silver/gold ratio and the broad stock
market that we've discussed a number of times over the past several years.
One of the most reliable relationships in the financial world since the early
1970s can be expressed as follows: silver outperforms gold when confidence
in financial assets is rising and under-performs gold when confidence in financial
assets is falling. This relationship can sometimes be obscured in real time
by the silver/gold ratio's volatility, but is usually apparent in longer-term
chart comparisons of the silver/gold ratio and the S&P500 Index. For example,
the following chart shows that the silver/gold ratio and the S&P500 Index
have moved in lock-step over the past seven years -- falling together from
the second half of 2000 through to the first half of 2003 and rising together
thereafter.
The correlation between the silver/gold ratio and the S&P500 hasn't always
been as 'tight' as it has been during the most recent cycle; however, over
the past 35 years silver/gold's longer-term trends can usually be linked to
confidence in financial assets as mentioned above and as more fully described
in our 31st May 2006 commentary.

Silver has clearly outperformed gold since mid-2003, which is exactly what
it should have done given that confidence has been in a powerful upward trend
since that time. This upward trend in confidence is evidenced by the S&P500's
cyclical bull market, but is perhaps even more readily apparent in the dramatic
narrowing of spreads between the yields on high-risk and low-risk debt securities.
Further to the above, we don't think it makes sense to analyse silver's prospects
relative to those of gold without taking into account the outlook for equities
and economic growth. Along these lines, those who are very bullish on silver
relative to gold and simultaneously very bearish on the US stock market really
should explain why a relationship that has worked reasonably well for 35 years
and appears to have become stronger over recent years is suddenly going to
stop working.
From our perspective, there are two important considerations:
First, we are sympathetic to the argument eloquently put forward by Franklin
Sanders (The Moneychanger
newsletter) that silver's extensive industrial usage and much smaller market
size will cause incremental increases in investment demand for precious metals
to have a greater positive effect on the silver price than on the gold price.
However, we can't ignore the empirical evidence indicating that silver will
under-perform gold once the cyclical equity bull market of the past few years
ends and the next cyclical bear market begins. Given that the stock market's
current bull run is already an outlier in terms of duration, we are wary about
making an investment choice whose success could depend upon a lengthy extension
of the bull's life.
Second, gold's proven ability to out-perform silver when confidence is in
a downward trend has a logical basis in that gold's price is almost totally
driven by changes in investment demand whereas industrial demand is a very
important factor in the silver market. In other words, when confidence is falling
there will generally be a flight toward money that should logically benefit
the more monetary metal relative to the more industrial one.
These considerations lead us to conclude that one of the following must happen
for silver to out-perform gold over the next few years:
1. A quick end to the stock market downturn that commenced in February followed
by resumptions of the global upward trends in equities and growth (and the
associated upward trend in confidence) that began in 2003
2. A gain in the investment demand for silver during major (1-2 year) declines
in equities and financial/economic confidence of sufficient size to not only
offset a drop-off in silver's industrial usage, but to also offset the effect,
on the gold price, of the increased investment demand for gold that would likely
occur under such circumstances.
Cutting to the chase, we suspect that silver WILL out-perform gold over the
remainder of the long-term precious metals bull market, mainly because the
US is not the global growth engine it once was and the long-term outlook for
non-US economic growth remains bullish. However, we continue to view it as
much riskier than gold because there are more things that could go wrong with
a silver investment than with a gold investment. We therefore continue to believe
that gold-related exposure should have a significantly greater weighting than
silver-related exposure in an investment portfolio.
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