Even with extreme events, it is possible a security will
experience a mean reversion.
Valuations on high - yielding stocks may have become overstretched in the historically low - yield environment, potentially making them vulnerable if the markets
experience a mean reversion shift.
Not exact matches
Stocks that are significantly undervalued by quantitative measures often
experience a
reversion to the
mean, their price eventually becomes more inline with their fundamental value.
By comparing each student's gain to gains among students who performed at a similar level and would have
experienced a similar, natural shift toward the average score, I can better separate legitimate test - score gains and losses from change associated with
mean reversion.
In theory, it would follow that long
mean -
reversion setups should do well in this scenario, or at least
experience a higher win rate.
I know from
experience that
mean reversion trading diid well from 2003 to 2009.
As an investor, you should make sure that your chosen investments will
experience «
mean reversion».
While the paper notes that
mean reversion does occur, it also notes that in any one particular company / industry you may
experience a great degree of persistence in returns.
Disaster or Unexcellent companies
experience periods of stellar returns due to
mean reversion.
More generally, as first documented by DeBondt and Thaler (1987), a stock, on average,
experiences short - term
mean reversion on a monthly horizon, then momentum on the horizon of up to a year, and then
mean reversion on the horizon larger than a year and strongest over 2 to 3 years.