2.1.4 MARKET PERFORMANCE AND
VOLATILITY
There is a strong relationship between volatility
and
market
performance. Volatility
tends to decline as the stock market rises and increase
as the stock market falls. When volatility increase, risk increase and returns decrease. Risk is
represented by
the
dispersion of returns around the means
the
greater the
dispersion of returns
around the means, the larger the drop in the compound
return.
In a 2011 report, Crestmont Research examined the historical relationship
between stock market performance and the volatility of the market. For
this analysis Crestmont used the average range for each day
to measure the volatility of the standard and poor (S&P 500) index. Their
research tells us that higher volatility corresponds to a higher probability of a declining
market. Lower volatility corresponds to a higher probability of a rising market.
For example, as
shown in the average daily range in the S&P 500 index is low (the first quartile 0 to 1%) the odds are high (about 70% monthly and 91%
annually) that investor will enjoy gain of 1.5% monthly and 14.5% annually.
When the average daily range moves up to the fourth quartile (1.9 to 5%), there
is a
probability of a 0.8% loss for the month and a 5.1% loss
for
the year. The effects of volatility and risk are
consistent across
the spectrum.
This research shows that we need to be aware of the volatility in
the market if we hope to adjust our
portfolio as it changes.
2.1.5 FACTORS THAT AFFECT VOLATILITY
Region and country economic factor such as factor and interest rate policy,
contribute to the directional
changes
of
the
market
and
thus volatility.
For
example in many
countries, the central bank
sets
the short-term interest rates for overnight borrowing by banks. When they change the overnight rate can cause
stock markets to react, sometimes violently.
Changes in inflation trends influence the long
term
stock market trends and volatility. Expanding
price-earning ration (PIE ratio) tend to correspond to economic periods when inflation is either
falling or is low
and
stable. This is when markets experience low volatility as they trend higher, on the other hands, period of falling PIE
ratios tend to relate to rising or higher
inflation periods when prices
are
more unstable. This tends to cause the stock markets
to decline and decline
and
experience higher volatility.
Industry and sector
factor can also caused increased stock market volatility. For example, in the oil sector, a major weather
storm in an important producing
area
can
cause price of oil to jump up. As a result, the price of oil-related stocks will suit some benefit from the higher price of oil, other will be hent. This increase
volatility affects overall
markets as
well as
individual
stock.
Assessing current volatility in
the market.
Using crestmont’s research, investors can use their understanding
of the longer term volatility of the stock market to align
their portfolios with the expected
returns. But, how do we know if the market is experiencing higher volatility?
One way is to use the (BCE volatility index (vix). The vix
measures the implied
volatility (iv) in the prices of a basket of pin and can opinion on the S&P 500 index. The vix
is used as a tool to measure investor risk. A higher reading on the vix makes periods of higher stock market bottoms. Low readings on the vix market
periods of lower volatility. The
periods of low
volatility may
last several years and are not a good, for identifying market tops. The vix is intended to be
forward looking, measuring the market is expected volatility over the next 30
days.
As a general trend, when the vix rises the S&P
500 drops.
When the vix is at a high, the S&P
500 is at a low which may be a good time to buy. However, if the vix is high, there is a concern
that the market is going continue to go down. This
fear
makes it difficult method of econometric analysis. The study revealed that
the relationship. The fear makes it difficult to buy during high
stock market volatility. But, investor who used the high on the vix to time their buy entered the
market at or new
the
low volatility works well to help identify market bottoms
based on
high volatility. For long-term investors, it also does a
pretty
good job of helping to identify that the stock market is at or near a top, when volatility is very
low,
keep in mind that this indicator is not intended to time the
exact top. But rather that the volatility of the market does not stay
substantially
below the mean for a long period of time. As the volatility increase, then the market performance
will tend to decrease.........
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