Lump Sum Investing Beats Dollar-Cost Averaging

The article examines whether it's better to invest a large sum of money all at once (lump sum) or spread it out over time (dollar-cost averaging). It argues that for long-term investors, the correct answer is to invest as much as possible as soon as possible.

Citing research from Hartford, the article shows that a $10,000 investment in the S&P 500 (tracked by ETFs like SPY and VOO) from 1996 would be worth over $192,000 today with dividends reinvested. However, missing just the 10 best days during that period would reduce the final value to only about $85,000.

The analysis emphasizes that the biggest risk isn't buying at a market high, but missing out on the few truly great days the market experiences each year. Importantly, over 40% of the S&P 500's best days since 2005 occurred during bear markets, and one-third happen in the first two months of new bull markets.

For investors considering ETFs like SPY or VOO, the decision between lump sum and dollar-cost averaging can significantly impact long-term returns. The historical evidence strongly favors lump sum investing, as timing the market is nearly impossible.

Missing even a handful of the best trading days can cut your portfolio's value by more than half. This risk is far greater than the possibility of investing at a temporary peak, especially for those with a long-term horizon.

In essence, the article challenges the common fear of buying at the top, showing that the real danger is being out of the market when it surges. This insight is crucial for retail investors looking to maximize their exposure to broad market growth.