RS108

Choosing Investments Inside Your Retirement Account

How Target-Date Funds, Allocation, and Risk Tolerance Fit Together

What You'll Learn

By the end of this lesson, you’ll understand:

  • What a target-date fund is and how it automatically adjusts over time
  • The difference between choosing an account and choosing investments inside it
  • What asset allocation means at a basic level
  • How risk tolerance and time horizon relate to investment choice
  • What to check about fees inside your plan’s investment menu
  • Why the “right” investment choice changes as you get closer to retirement

Why This Matters

Opening a retirement account and choosing what to invest inside it are two different decisions. Many people complete the first one and never revisit the second.

A retirement account with no deliberate investment choice is still invested in something, usually whatever the plan’s default option is. Understanding that default, and whether it fits you, closes an important gap between having an account and actually using it well.

The Account vs. the Investments Inside It

This distinction was introduced earlier in this course and is worth restating here: your 401(k) or IRA is the account, the tax treatment and contribution rules. The investments you select inside it are what actually determine your growth potential and risk.

Two people with identical account types and contribution rates can have very different outcomes, entirely based on what they chose to invest in.

What a Target-Date Fund Is

A target-date fund is a single fund built around an approximate retirement year, for example, a “2055 fund.”

It holds a mix of stocks, bonds, and other assets that automatically shifts over time: generally more growth-oriented (stock-heavy) when the target date is far away, and gradually more conservative (bond-heavy) as the target date approaches.

This automatic shift is often called a glide path. It’s designed so the investor doesn’t need to manually rebalance the mix as retirement gets closer.

Target-date funds are frequently used as a plan’s default investment option, precisely because they offer a reasonable, hands-off starting point for someone who hasn’t made an active selection.

Asset Allocation Basics

Asset allocation describes how your investments are divided among different categories, most commonly stocks, bonds, and cash.

  • Stocks have generally offered higher long-term growth potential, along with greater short-term price swings
  • Bonds have generally offered more stability and income, with typically lower long-term growth potential
  • Cash and cash-equivalents offer the most stability, with the least growth potential, and can lose purchasing power to inflation over time

There is no universally “correct” allocation. The right mix depends on your time horizon, your comfort with short-term declines, and your broader financial situation.

Risk Tolerance and Time Horizon

Time horizon is how long until you expect to use the money. Risk tolerance is how comfortable you are watching that money decline in value temporarily in exchange for greater long-term growth potential.

These two factors are related but not identical. Someone decades from retirement generally has more time to recover from a market decline, which often supports a more growth-oriented allocation, but their personal comfort with volatility still matters, since abandoning a plan during a downturn can do more damage than the downturn itself.

Neither factor alone determines the “right” allocation. They work together, alongside your full financial picture.

What to Check About Fees Inside Your Plan’s Investment Menu

Every investment option inside your plan carries its own expense ratio, which was covered in detail in the Investing Course. These fees reduce your return the same way inside a retirement account as they do in a taxable brokerage account.

Comparing the expense ratios of the funds available in your plan’s menu, not just picking a familiar name, is worth five minutes when you first review your investment elections.

Why the “Right” Choice Changes as You Get Closer to Retirement

An allocation that made sense at age 30 may not make sense at age 60. As retirement approaches, many investors gradually shift toward a more conservative mix, since there’s less time to recover from a significant decline before the money may be needed.

This is precisely the adjustment a target-date fund is designed to make automatically. An investor building a custom allocation manually needs to make this shift deliberately, rather than leaving an allocation unchanged for decades.

A Realistic Example

Priya opened her 401(k) five years ago and has been in the plan’s default target-date fund the entire time, without ever reviewing her other options.

She decides to look at her plan’s full investment menu and finds several individual stock and bond funds with lower expense ratios than her target-date fund, along with other target-date fund options with different target years.

After reviewing her actual retirement timeline, she realizes the default target-date fund she was placed in assumes a retirement year five years earlier than she actually expects to retire.

She switches to a target-date fund matching her real expected retirement year. She decides the automatic glide path still fits her preferences, so she keeps that structure rather than building a custom allocation, but now it’s a deliberate choice rather than an unreviewed default.

Common Mistakes

Never Reviewing the Plan’s Default Investment

A default option may not match your actual retirement timeline or preferences.

Choosing Investments Based on Recent Performance Alone

A fund that performed well recently isn’t guaranteed to continue doing so, and past performance doesn’t predict future results.

Leaving an Aggressive Allocation Unchanged Close to Retirement

An allocation appropriate for decades away from retirement may carry more short-term risk than is appropriate a few years out.

Ignoring Fees When Comparing Investment Options

Two similar funds with different expense ratios can produce meaningfully different outcomes over a long period.

Common Myths

Myth

My retirement account is automatically invested wisely without me doing anything.

Fact

Contributions are invested according to your elections, or a plan default if you haven’t made one. Reviewing that default is part of managing the account well.

Myth

A target-date fund is a lower-quality choice than picking my own investments.

Fact

A target-date fund is a reasonable, deliberately designed option for many investors, particularly those who prefer a hands-off approach. It isn’t inherently worse than a self-built allocation.

Myth

Once I choose an allocation, I never need to revisit it.

Fact

Your appropriate allocation can change as your time horizon shortens, your goals change, or your risk tolerance shifts.

Myth

The safest option is always to keep everything in cash or cash-equivalents.

Fact

Cash carries the least short-term price risk, but also the least long-term growth potential, and can lose purchasing power to inflation over time, which is its own kind of risk for a long-term goal.

  • Review your current investment elections at least once a year
  • Confirm any target-date fund matches your actual expected retirement year
  • Compare expense ratios across your plan’s available investment options
  • Reassess your allocation as your time horizon shortens or your goals change

Frequently Asked Questions

It can be. Its automatic adjustment over time removes the need to manually rebalance, which many investors find helpful, particularly early on.

There’s no universal schedule, but reviewing your allocation at least annually, and after major life changes, is a reasonable habit.

Yes. A target-date fund still holds investments that can decline in value, particularly the stock portion, especially over shorter periods.

Not necessarily, some investors coordinate allocation across all of their retirement accounts together as one combined portfolio, rather than treating each account identically. This is a more advanced approach worth discussing with a financial professional if your situation is complex.

You can build a similar effect manually with a combination of stock and bond funds, adjusted periodically as your time horizon changes, though this requires more ongoing attention than a target-date fund’s automatic adjustment.

Your One Actionable Takeaway

Log into your retirement account and confirm exactly what you’re currently invested in, including whether a target-date fund’s target year matches your actual expected retirement year.

If you’ve never reviewed this before, this single check can reveal whether your account matches what you actually intended.

Your Next Best Step

You’ve now covered accounts, contributions, vesting, and investment selection. The next lesson turns to a specific stage of the journey: what changes once retirement gets closer.

In the next lesson, you will learn:

  • What a catch-up contribution is and who becomes eligible
  • How catch-up limits work alongside standard contribution limits
  • Why the years close to retirement carry extra weight for savings decisions
  • How to estimate whether you’re on track as retirement approaches
  • What options exist if you’re behind
  • What to review annually once you’re within 10 to 15 years of retirement

Everything covered so far applies throughout your career. The next lesson focuses specifically on the adjustments many people make as retirement gets closer.

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