Strategie
Market Timing: Why Almost Nobody Pulls It Off
Key takeaways
- Market timing means trying to buy at lows and sell at highs — statistically, even professionals repeatedly fail at this.
- DALBAR studies show that the average investor significantly lags behind the index precisely because of poor timing of entries and exits.
- Missing the ten best days over 20 years can halve portfolio returns.
- A passive buy-and-hold strategy outperforms active timing for the vast majority of investors over the long term.
- If you want to time anything, limit it to naturally buying more during declines — not speculating on peaks.
Market timing is the attempt to buy assets just before they rise and sell just before they fall — the theory sounds attractive, but the reality is harsh: the vast majority of investors and professional managers consistently fail to do it long-term.
What the data say
DALBAR's annual study compares the return of the average investor with the return of the S&P 500 index. The result is consistent: the average investor trails the index by 3–5 percentage points per year. The main cause? Poor timing — people buy after a rally (out of excitement) and sell after a decline (out of fear).
Similarly, S&P Dow Jones research shows that over 80% of actively managed funds trail the index over a 15-year horizon. Professional managers with entire teams of analysts do not consistently hit the market.
The problem of missing the best days
The best days in the market cluster around the biggest crises — they arrive unexpectedly, right after the worst days. An investor who sold during a crisis and waits for "things to calm down" typically misses these days. S&P 500 data show: missing the 10 best days over 20 years reduces average annual returns by approximately 50%.
Why the brain loves timing
The human brain was evolutionarily wired for short-term risks. Seeing a portfolio decline and not acting feels dangerous. But in investment markets, the best action is often inaction. That is the foundation of buy and hold.
What to do instead of timing
- Regular investments regardless of news — DCA strategy
- Naturally buying more during significant declines (not speculating on the bottom)
- A long investment horizon where short-term swings carry no weight
- Diversified global ETFs where you do not need to pick winners
FAQ
Why does market timing not work?
The best market days arrive unexpectedly right after the worst days. Anyone who sells during a crisis misses those days. Moreover you need to get it right twice — the exit and the re-entry — and even professionals repeatedly fail to do that.
What is the DALBAR study?
An annual analysis comparing the returns of the average American investor with the S&P 500 index. It consistently shows that investors trail the index by 3–5 percentage points per year because of poor timing.
Are there situations where timing makes sense?
Naturally buying more during significant declines makes sense as part of a DCA or buy-and-hold strategy. But speculating on exact peaks and troughs does not deliver consistent results.
How do you protect yourself from timing mistakes?
Set up a standing order for regular ETF purchases and do not check the portfolio daily. The fewer opportunities for an emotional decision, the fewer poor timing mistakes you will make.