Investing

Index funds vs target-date funds: pick the one you will not abandon

When a target-date fund is the whole plan, when a three-fund portfolio is worth it, and the fee and glide-path questions that actually matter.

Updated 2026-09-08 ยท 8 min read

A target-date fund is a complete meal

One ticker, automatic rebalance, stocks and bonds that get more conservative as the date approaches. In a 401(k) with limited options, it is often the least-bad default and sometimes the best.

The three-fund version

Total US stock, total international, total bond. Pick a stock/bond split, rebalance once a year, ignore the rest. This only beats a target-date fund if you actually do it โ€” including in a crash.

Run the numbers: retirement calculator.

Questions

Are target-date funds too conservative?

Some glide paths add bonds earlier than a stock-heavy investor would like. Read the glide path once. If you want more equity, pick a later date or a three-fund mix โ€” then leave it alone.

Keep reading

Educational only. Verify IRS limits and loan quotes before acting.