Key Habits That Tend to Serve Long-Term Investors Well

Finance Editorial Team Staff Writer · Feb 22, 2023 · 7 min read

Photo: TheSearchHound.com | One Stop Answer To All Your Questions editorial

From staying consistent during downturns to keeping costs low, these are the behaviours that financial research consistently associates with better outcomes.

Key Takeaways

Staying invested through market downturns is one of the most consistently supported behaviors in long-term investing research.
Keeping investment costs low — through expense ratios and minimizing unnecessary trades — preserves more of your returns over time.
Automating contributions removes emotion from investing, helping you stay consistent regardless of market noise.
Diversification across asset types reduces the risk that any single investment derails your long-term goals.
Understanding compound growth is foundational: time in the market generally matters more than the timing of individual trades.

Why Habits Matter More Than Predictions

Most new investors assume that success comes from picking the right stocks at the right moment. Financial research tells a different story. Studies examining long-term investor outcomes repeatedly point to behavioral consistency — not market forecasting — as the primary driver of sustainable wealth building.

This matters because market timing is extraordinarily difficult, even for professionals. Missing just a handful of the market's best-performing days in a given decade can significantly reduce overall returns. What separates investors who build wealth over time from those who don't is rarely genius — it's discipline, low costs, and a clear process followed through both calm and turbulent markets.

This article outlines the core habits that financial educators and researchers consistently associate with better long-term outcomes. It is general financial information and education, not personalized investment advice. For guidance specific to your situation, consult a qualified financial adviser.

The Practices That Tend to Make the Difference

The following habits are grounded in established personal-finance principles and widely cited investment research. No single habit guarantees results — investing always involves risk, including the potential loss of principal — but together these behaviors form a solid foundation.

Invest consistently, regardless of short-term market conditions.

Trying to time the market — entering when prices seem low and exiting when they seem high — is a strategy that even professional fund managers rarely execute successfully over the long run. Regular, fixed contributions (a practice sometimes called dollar-cost averaging) mean you buy more shares when prices are lower and fewer when they're higher, smoothing out the impact of volatility over time.

Example: An investor who contributes a set amount to a diversified index fund every month — through both the market's peaks and its corrections — accumulates shares at varying prices, reducing the risk of buying exclusively at highs.

Keep investment costs as low as reasonably possible.

Fees compound in the same way returns do — but in the wrong direction. A fund with a 1% annual expense ratio versus a comparable fund at 0.05% can result in meaningfully different ending balances over 20 or 30 years, all else being equal. Unnecessary trading also generates costs through commissions and potential tax consequences.

Example: A long-term investor who favors low-cost index funds over actively managed funds with higher expense ratios keeps more of each year's return working in their portfolio rather than paying it out in fees.

Diversify across asset classes and geographies.

Concentrating a portfolio in a single company, sector, or country exposes it to risks that could be reduced through broader ownership. Diversification doesn't eliminate risk or guarantee gains, but it reduces the likelihood that a single adverse event — a company collapse, a regional recession — causes catastrophic damage to a portfolio.

Example: Holding a mix of domestic equities, international equities, and bonds means that a sharp decline in one market segment is partially offset by stability or gains in others.

Automate contributions to remove emotion from the process.

Market volatility triggers emotional responses — anxiety during downturns, overconfidence during rallies — that can lead investors to make decisions that undermine long-term goals. Automating contributions on a fixed schedule sidesteps these moments by making investing a default behavior rather than an active choice each period.

Example: Setting up an automatic monthly transfer from a checking account into an investment account means the contribution happens whether markets are up, down, or sideways — no decision required.

Revisit and rebalance your portfolio on a regular schedule.

Over time, some assets in a portfolio will grow faster than others, shifting the original allocation — perhaps making the portfolio riskier than intended. Periodic rebalancing (typically annually, or when allocations drift significantly) brings the portfolio back in line with your stated goals and risk tolerance.

Example: An investor whose target allocation is 70% equities and 30% bonds may find after a strong stock market year that equities now represent 80% of the portfolio, prompting a rebalance by selling some equity exposure and adding to bonds.

Resist the pull of market noise and short-term headlines.

Financial media and social networks generate a near-constant stream of dramatic predictions and urgent-sounding analysis. Research consistently shows that investors who trade frequently in response to news tend to underperform those who maintain a steady, long-term posture. Developing a written investment plan — and referring back to it during volatile periods — provides an anchor against reactive decision-making.

Example: During a market correction accompanied by alarming news coverage, an investor who reviews their written plan and confirms nothing has changed in their long-term goals is less likely to sell at a loss than one reacting purely to the headlines.

Quick Actions to Build These Habits Today

Understanding good habits is one thing; building them is another. The most effective way to internalize long-term investor behavior is to put small, concrete actions in place before emotion or market noise has a chance to interfere.

high Set up an automatic recurring transfer from your checking account to your investment account — even a small, fixed amount — to begin building the habit of consistent contribution.

high Review the expense ratios on any funds you currently hold and compare them to equivalent low-cost index fund options to understand what you're paying annually.

medium Write down your investment time horizon and primary goal (e.g., retirement in 25 years) and keep it somewhere accessible for moments when markets feel turbulent.

medium Check whether your current portfolio is concentrated in any single stock, sector, or country and note where broader diversification might reduce unnecessary risk.

For a broader look at the behavioral patterns that tend to hold savers back, see habits that consistently get in the way of saving money — many of the same dynamics apply to investing.

The Longer View: Connecting Habits to Outcomes

These practices don't operate in isolation. Automating contributions feeds into compound growth. Keeping costs low means more capital stays invested and compounds over time. Staying the course during downturns means you're still invested when recoveries arrive — and historically, recoveries have followed contractions, though no specific outcome can be guaranteed.

Understanding how compound interest amplifies patient behavior is foundational. If you haven't explored that concept yet, compound interest and how it builds long-term wealth explains the mechanics in plain terms. Similarly, if you're concerned your monthly contributions feel too small to matter, even modest monthly savings carry real mathematical weight — and the same logic extends to investing.

~2%

Average annual return gap: investor vs. fund

Research from Morningstar's 'Mind the Gap' series has repeatedly found that the average investor earns meaningfully less than the funds they hold, largely due to poorly timed buying and selling decisions.

10 days

Best market days missed can significantly cut returns

Multiple long-term market analyses have found that missing as few as the 10 best-performing trading days in a multi-decade period can cut total returns roughly in half, illustrating the cost of exiting the market during volatility.

For new investors who want to recognize the common traps before they fall into them, what new investors often get wrong is a useful companion read. And if you've encountered skepticism about whether investing is accessible to ordinary people, common investing myths examined addresses several persistent misconceptions directly.

This article is for general informational and educational purposes only and does not constitute personalized financial, investment, or tax advice. All investing involves risk, including the possible loss of principal. Past performance does not guarantee future results. Consult a licensed financial professional before making investment decisions.

Finance Editorial Team

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Finance Editorial Team is the collective byline for our editorial team and contributor network. Articles published under this byline or an editorial pen name are researched, written, and reviewed according to our editorial standards for clarity, consistency, and independence before publication.

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