Stop Trying to Pick Stocks. Here's What to Buy Instead.

I build financial models for a living. I can run a discounted cash flow analysis, stress-test a balance sheet, and model out a company's unit economics down to the order level. I have spent 15 years studying how businesses make and lose money.

I buy index funds.

I understand the market well enough to know I can't consistently beat it. Neither can professional fund managers with full-time research teams and Bloomberg terminals. The data is clear: the vast majority of actively managed funds fail to outperform their benchmark index over any 20-year period. They have every resource advantage. They still lose. We also have day jobs.

What an index fund actually is

An index fund holds a slice of every company in a given index, typically the S&P 500 (the 500 largest U.S. companies) or the total U.S. stock market. When you buy 1 share of a total market index fund, you own a small piece of Apple, Microsoft, Amazon, and roughly 3,500 other companies, all at once.

Rather than trying to pick winners, the fund simply owns everything. When the market goes up, you go up. When the market goes down, you go down. Over long periods, the market has gone up: roughly 10% per year historically before inflation, closer to 7% adjusted.

You're betting on the economy continuing to function, not on any one company doing well. That's a substantially better bet.

The fee math is the part people skip

The difference between an actively managed mutual fund and an index fund often comes down to fees. Fees compound against you the same way returns compound for you.

This is the part of the financial industry that doesn't get said loudly: the business model of active fund management depends on you believing that picking the right manager is worth the fee. My understanding of the data is that it generally isn't. You pay the fee no matter what. The outperformance is not guaranteed and, historically, has not materialized consistently.

What to actually buy

3 funds cover the vast majority of what most people need. All 3 are available at Fidelity, Vanguard, and Schwab: the brokerages I'd suggest starting with.

If you're in your 20s, a heavy tilt toward stocks makes sense. You have time to ride out downturns. A reasonable starting point is roughly 80-90% U.S. stocks, 10-20% international, and very little in bonds until you're closer to needing the money. Treat this as a starting point. Do your own research before acting on it.

The honest version of this

There is an entire media ecosystem built around making investing feel active, complex, and urgent. Financial news channels need content every day. Analysts need to justify their salaries. Brokerages profit when you trade. None of those incentives point toward "buy a low-cost index fund and check it twice a year."

The boring answer is the right one. Buy the index, keep the fees low, stay invested through downturns, and let time do the work. That's the conclusion most serious investors arrive at eventually.

I got there the slow way. Earlier on, I picked individual stocks, followed them, ran screeners, and did the research most stock-picking guides tell you to do. It wasn't wasted time exactly, I learned a lot about how businesses actually work. But I eventually did the math on the hours I was putting in against what I was getting back, and it didn't hold up. Even with the time and the background to do the research properly, consistently beating the market is genuinely hard. I stopped trying and moved the money into index funds instead.

Some arrive at it after losing money trying to beat the market first. You don't have to.

Frequently Asked Questions

Are index funds better than picking individual stocks?

For most people, yes. Data from S&P's SPIVA scorecard shows that roughly 87 to 92% of actively managed large-cap U.S. equity funds underperformed their benchmark index over 15- and 20-year periods. Fees are the biggest reason. An index fund charges a fraction of what an actively managed fund does, and that fee gap compounds against you over decades. Professional fund managers with full research teams cannot consistently beat the market after fees, so the odds of an individual investor doing it are worse.

What index funds should I actually buy?

3 funds cover what most people need: a total U.S. stock market fund, a total international stock fund, and a total bond market fund, all available at Fidelity, Vanguard, and Schwab. The exact mix depends on your age and risk tolerance, but this 3-fund structure is the starting point for a simple, low-cost portfolio.

What's wrong with actively managed mutual funds?

The fee. Active funds charge more because they're trying to beat the market, but the data shows most don't, especially after fees are subtracted. You pay the fee every year whether the fund outperforms or not, and that fee compounds against your returns the same way investment returns compound for you.