Smart Investment Strategy: Let’s Take It to the Next Level

Investors constantly face a simple but important choice: follow evidence-based investing principles, or follow emotions that merely feel safer.

That choice becomes especially clear during a major liquidity event. Whether the money comes from a year-end bonus, an inheritance, or the sale of a business or property, the same question always appears: should you invest the full amount immediately, or gradually enter the market through dollar-cost averaging (DCA)?

Historically and mathematically, the evidence strongly favors one approach: invest the money immediately.

Of course, the challenge is psychological. Many investors are naturally uncomfortable with volatility and prefer the emotional comfort of easing into the market over time. Spreading investments out can reduce anxiety, but historically it has also reduced long-term returns.

A perfect example came in early 2020. Imagine receiving a $100,000 inheritance in January and investing the entire amount right away. Just weeks later, the COVID-19 pandemic triggered one of the fastest market crashes in modern history, with the S&P 500 falling roughly 32% in a matter of months.

For many people, watching that decline would have been deeply stressful.

But fast forward to today, with the market dramatically higher than pre-pandemic levels, and the investor who stayed fully invested would likely have significantly outperformed someone who slowly averaged into the market over a year or two.

The reason is simple: more money spent more time compounding in the market. Over long periods, markets have historically trended upward despite short-term volatility.

This conclusion is not based on opinion or investing folklore. It is backed by decades of historical research. One of the most widely cited studies on the subject comes from Vanguard’s paper, Cost Averaging: Invest Now or Temporarily Hold Your Cash. After analyzing long-term market data, the researchers concluded that the opportunity cost of holding cash generally outweighs the emotional benefits of gradual investing.

Even for highly risk-averse investors, Vanguard suggested that if dollar-cost averaging is used, the investment period should remain relatively short—around three months—to reduce missed market exposure.

When investing meaningful long-term capital, the biggest advantage often comes from time in the market rather than timing the market. While gradual investing may feel more comfortable emotionally, history suggests that committing capital early has typically been the more effective strategy.