The results lined up with previous research, showing that
average volatility declines steadily until portfolios hold approximately 15 stocks.
Not exact matches
Combined, these instances capture a cumulative 97 % loss in the S&P 500, but there's really not much difference based on the 200 - day moving
average, except that the market tends to experience more violent
declines and somewhat stronger rebounds (that is, higher overall
volatility) when the S&P 500 is below that
average.
After a long period of much lower than
average volatility (in 2017, the S&P 500 hit 64 record highs, with only four single - day
declines of more than 1 %), this has been surprising for many investors.
This week's
volatility brought on by testimony from Federal Reserve Chairman Jerome Powell on Capitol Hill, featuring a 300 - point
decline in the Dow Jones Industrial
Average DJIA, +0.02 % on Tuesday and an even larger
decline on Wednesday, is just the latest evidence of uncertainty.
The
average trading range has been
declining in April as measured by the ATR as price
volatility has decreased.
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Volatility returned in the first quarter and the VIXA more than tripled from its prior 12 - month
average in early February.B Equity markets sold off in parallel as the S&P 500 IndexC experienced its first correction in years.D Most major equity markets finished the quarter in the red, and the sharp
decline was a reminder of the importance of diversification and risk management.
That also implies that stock investors will need to accept
volatility that has also been consistent with stocks over the long - term including an
average of three 5 % pullbacks per year, one 10 % correction per year and one bear market
decline of 15 - 30 % every 3 - 5 years.
The vacation from
volatility equity investors seemed to be so enjoying came to an abrupt end during the first week of February when stocks sold off aggressively as evidenced by an 8.5 %
decline in the Dow Jones Industrial
Average (the Dow) between January 26 and February 5.
On a 3 - month moving
average basis, which smoothes the
volatility, multifamily housing starts have been generally
declining since March, with the three month moving
average having fallen by 15.0 % over the period.