What is long-term investing?
Long-term investing is a strategy where you hold investments for several years or decades, typically 5-30+ years, to take advantage of compound growth and ride out market volatility. It is based on the principle that despite short-term fluctuations, quality investments have historically grown in value over extended periods.
The power of compound growth
Example: starting at age 25
- Monthly investment: $500
- Annual return: 7%
- Investment period: 40 years
- Total invested: $240,000
- Final value: $1,310,000
Example: starting at age 35
- Monthly investment: $500
- Annual return: 7%
- Investment period: 30 years
- Total invested: $180,000
- Final value: $612,000
Both examples assume a constant 7% annual return, which no real market delivers smoothly. They illustrate the arithmetic of compounding, not a forecast.
You can model your own numbers with the calculator to see what your contribution and time horizon actually produce.
Benefits of long-term investing
Compound growth
Earn returns on your returns, creating exponential growth over time.
Reduced volatility impact
Short-term market fluctuations become less significant over longer periods.
Lower costs
Fewer transactions mean lower fees and trading costs.
Tax efficiency
Long-term capital gains receive preferential tax treatment in many countries. Check the rules where you live.
Less stress
No need to constantly monitor markets or make frequent decisions.
Simplicity
Buy quality investments and hold them, with no complex strategies needed.
Historical success
Stock markets have trended upward over virtually all 20+ year periods.
Dollar cost averaging
Regular investing naturally implements this risk-reducing strategy.
Historical market performance
| Time period | S&P 500 positive years | Average annual return |
|---|---|---|
| 1-year periods | ~73% | ~10% |
| 5-year periods | ~88% | ~9% |
| 10-year periods | ~94% | ~10% |
| 20-year periods | ~100% | ~10% |
| 30-year periods | 100% | ~11% |
Note: based on historical S&P 500 data from 1926-2023. Past performance does not guarantee future results.
Long-term investing principles
Start early
The earlier you start, the more time your money has to compound. Even small amounts invested early can grow to substantial sums over decades.
Stay consistent
Regular investing, regardless of market conditions, helps build wealth steadily. Automate your investments to maintain consistency.
Keep costs low
High fees compound negatively over time. Choose low-cost index funds with expense ratios under 0.20% when possible, and compare options in our index fund database.
Ignore short-term noise
Daily market movements and news headlines are largely irrelevant to long-term investors. Focus on your long-term goals, not short-term volatility.
Rebalance periodically
Review your portfolio annually and rebalance to maintain your target allocation. This forces you to sell high and buy low.
Common long-term investing mistakes
Trying to time the market
Attempting to predict market highs and lows usually results in buying high and selling low.
Panic selling
Selling during market downturns locks in losses and prevents recovery gains.
Chasing performance
Switching to last year's best-performing funds often leads to poor timing.
Over-diversification
Owning too many similar funds increases costs without reducing risk.
Ignoring costs
High fees can reduce your long-term returns by hundreds of thousands of dollars.
Inconsistent investing
Stopping contributions during market downturns misses buying opportunities.
Getting started with long-term investing
Set clear goals
- Define your investment timeline
- Determine your risk tolerance
- Set specific financial targets
Choose simple investments
- Start with broad market index funds
- Focus on low-cost options
- Consider target-date funds for simplicity
If you are still deciding what to buy, start with what index funds are and then set up a regular contribution schedule you can maintain through a full market cycle.