Harrison Stoneham Harrison Stoneham

The Average Player with an Above-Average Timeline

6 min read

There’s a quiet truth in investing that nobody wants to hear: you don’t need to be good. You just need to stick around.

An average investor with a 30-year time horizon will almost certainly outperform a talented investor who blows up in year 8. The math isn’t close.

This sounds too simple to be useful. But the more you study investing history, the more you realize it’s the whole game.

The Talent Trap

We celebrate investing skill because it’s exciting. Someone who called the crash. Someone who found the ten-bagger. Someone who zigged when everyone else zagged.

These stories are memorable precisely because they’re rare. For every investor who timed the market correctly, thousands timed it wrong. For every stock picker who found Amazon early, thousands found Pets.com.

What we don’t celebrate—because it’s boring—is the person who bought index funds in 1990 and just kept buying for 35 years. No dramatic calls. No brilliant insights. Just consistency.

That person is almost certainly wealthier than most of the “talented” investors who tried to beat the market.

Why the Average Wins

The stock market has returned roughly 9-10% annually over the past century. Not every year—some years are up 30%, some are down 40%—but on average, over long periods.

If you simply capture that average return and do nothing else, you’ll double your money roughly every 7-8 years.

After 30 years, you’ve multiplied your money by about 15x. After 40 years, about 30x.

This requires no skill. No research. No predictions. Just the discipline to keep investing and the patience to wait.

The problem is that most people can’t do this. Not because they lack intelligence—because they lack endurance.

The Survival Filter

Look at any list of “greatest investors of all time” and notice something: they’re all old. Buffett, Munger, Templeton, Lynch—they didn’t just generate good returns. They generated good returns for 40, 50, 60 years.

This isn’t coincidental. Time is a filter.

Most investors who look brilliant over 5 years look average over 15 years and look retired (or bankrupt) over 30 years. The ones who make the history books are the ones who never stopped compounding.

There’s no way to shortcut this. You can’t compress 30 years of compounding into 5 years of genius. The math doesn’t work. The returns that create real wealth come from decades of steady accumulation, not a few years of extraordinary performance.

The Amazon Illusion

Here’s a thought experiment that illustrates why “just pick winners” is harder than it sounds.

Imagine you bought Amazon in 2000. Great call. Over the next 25 years, it returns 200x your investment.

But to capture that return, you had to:

  1. Hold through a 90% drawdown in 2000-2001
  2. Hold through a 50%+ drawdown in 2008
  3. Hold through multiple 30%+ corrections
  4. Resist selling when you were up 100%, 500%, 1000%
  5. Ignore every other opportunity for a quarter century

Almost nobody does this. Even the earliest Amazon employees mostly sold their stock long before the biggest gains materialized.

The lesson isn’t that you should have bought Amazon. It’s that even when you’re right, the behavioral requirements to capture the full return are superhuman. Most “great picks” turn into mediocre outcomes because investors can’t hold long enough.

Meanwhile, someone who just bought an index fund and forgot about it captured most of Amazon’s gains anyway—because Amazon is in the index—without any of the stress.

The Competition Problem

In 1960, beating the market was plausible. Information was slow. Most investors were amateurs. A person willing to read annual reports had a genuine edge.

Today, thousands of hedge funds employ PhDs in mathematics and physics. Algorithms parse news in milliseconds. Every piece of public information is priced in almost immediately.

Over 15-year periods, roughly 90% of actively managed funds underperform their benchmark index. Not some funds. Nine out of ten.

These are smart people with resources and experience. And the vast majority of them can’t beat the market over meaningful time horizons.

The implication is uncomfortable: if professionals with every advantage mostly fail, what makes any of us think we’ll succeed?

Time as the Edge

If you can’t outperform through skill, what actually creates wealth?

Showing up. Most investors quit. They get discouraged after a bad year. They panic during a crash. They chase performance into bubbles and sell at the bottom. Simply staying invested through the inevitable downturns puts you ahead of most people.

Time horizon. Professional investors are judged quarterly or annually. They can’t think in decades. Individual investors can. This is one of the only structural advantages regular people have over Wall Street.

Not blowing up. The magic of compounding requires an unbroken chain. One year where you lose 80% sets you back a decade. Avoiding catastrophic losses matters more than finding exceptional gains.

Costs. Every dollar in fees is a dollar not compounding. Over 30 years, the difference between paying 0.05% and 1% annually is enormous. Low-cost index funds win by default.

None of these require superior intelligence. They require patience and discipline—which turn out to be much rarer.

The Boring Path to Wealth

There’s an ego cost to accepting this. It means giving up the dream of being the next Buffett. It means admitting that you’re not going to outthink the market.

But consider the alternative: spending decades trying to beat the market, probably failing, and possibly blowing up in the attempt.

The investors who build real, lasting wealth mostly do very boring things. They invest consistently. They keep costs low. They don’t panic. They let time do the work.

It’s not exciting. But excitement isn’t the goal. Wealth is.

The Long Game

The best investors aren’t the smartest. They’re the most durable.

Being an average player for an above-average timeline will make you an above-average investor. Not because you outsmarted anyone, but because you outlasted them.

Everyone wants to find the next Amazon. But the person who simply bought the index, kept buying through every crash, and waited 30 years will beat almost everyone who tried to be clever.

Time is the one edge that’s available to everyone. Most people waste it trying to be brilliant when they could just be patient.


The market rewards survival. The longer you stay in the game, the more the odds tilt in your favor.