The percentage of time that
lump sum investing outperformed dollar - cost averaging varies depending on analysis period and portfolio construction.
For the most part,
lump sum investing outperformed dollar cost averaging two out of every three times, «even when results are adjusted for the higher volatility of a stock / bond portfolio versus cash investments.»
Not exact matches
Two - thirds of the time
lump -
sum investing outperformed.
First, if you
invest your
lump sum right before a market crash (October 1987, October 2007), dollar cost averaging will
outperform over time.
In a Vanguard study (see figure 1) made by averaging for 12 - months compared to one single
lump sum and based on rolling 10 - year periods, research showed a 67 % chance of
outperforming when
investing now compared to only 33 % with dollar cost averaging.
However, studies have shown that
lump sum investing has twice the probability of
outperforming than dollar cost averaging.
However, «
lump sum investing is more likely to
outperform dollar - cost averaging for all the scenarios considered.