GLOSSARY

dollar-cost averaging

Trying to time the market is nearly impossible, even for professional investors. Dollar-cost averaging (DCA) takes that pressure off the table.

Dollar-cost averaging is an investment strategy where you invest a fixed dollar amount at regular intervals, regardless of where the market stands. For advisors, it offers a simple way to turn client uncertainty about volatility into a clear contribution plan.

Keep reading to see when dollar-cost averaging fits a client portfolio or scroll down for the latest news and analysis on this investment strategy.

What is dollar-cost averaging?

With dollar-cost averaging, you buy more shares of an investment when the price is low and fewer when it's high. If done consistently, this lowers the average price you pay per share over time. It's a disciplined approach that takes the pressure out of picking the "right" time to invest.

Dollar-cost averaging works well for clients who are concerned about investing all their money at the wrong time. It reduces the risk of committing funds when prices are at a peak or during a volatile period. This strategy, however, doesn't guarantee a profit or protect against losses, so it works best as part of a broader investment plan for each client.

How does dollar-cost averaging work?

To put dollar-cost averaging into practice, you first pick an investment. This could be a stock, ETF, or mutual fund. Then, decide on a fixed dollar amount to invest at regular intervals. Stick to that schedule, no matter what the market does. When the price drops, your fixed amount buys more shares. When it rises, it buys fewer.

The table below shows how this plays out in practice. Both Client A and Client B invest $2,000 in total. While Client A puts it all in at once in January, Client B spreads $2,000 across four months in equal $500 installments.

You can use the input fields to plug in your client's monthly contribution and share prices to get an accurate amount. You can also switch between market scenarios to see how DCA performs under different conditions.

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Month Amount invested Price per share Shares purchased
Client A Client B Client A Client B Client A Client B

Hypothetical results are for illustrative purposes only.

 

Both clients invested the same amount. But Client B ended up with 51.7 shares at a lower average price of $38.75 per share compared to Client A's 50 at $40 per share. That difference comes from buying more shares in February, March, and April when the price dipped below January's starting price.

There was no way to predict those price swings in advance. That's exactly what makes a consistent dollar-cost averaging schedule useful for clients who are nervous about investing a large amount all at once.

A good portfolio management platform can help you set up and automate a dollar-cost averaging schedule across your client base. See our top picks to find one that fits your practice.

Dollar-cost averaging strategies for client portfolios

Dollar-cost averaging is flexible enough to work across a range of client situations and risk profiles. How you apply it depends on where each client is starting from and what they're most concerned about.

Scenario 1: A client who just received a windfall

When a client receives a large sum from an inheritance or bonus, investing it all at once can feel overwhelming. One practical approach is to invest a portion immediately and spread the rest across equal monthly installments.

For example, you could put $50,000 in right away and distribute the remaining $50,000 over the next 12 months. This captures immediate market exposure while reducing the risk of committing everything at a market peak.

Scenario 2: A new client onboarding with a large cash position

New clients often arrive with cash on the sidelines, waiting for the right moment to invest. Spreading contributions over time eases them into the market without the pressure of a single entry point.

This strategy also reduces how sensitive the portfolio's return is to a specific trade date. Set up an automated transfer into their preferred asset allocation and agree on a contribution schedule from the start.

Scenario 3: A risk-averse client during a volatile market

Clients who tend to panic during downturns often make the worst decisions at the worst times. A fixed dollar-cost averaging schedule removes the pressure of timing and keeps them focused on their long-term plan. It also reframes how clients see price dips. Instead of a threat, a dip becomes a chance to buy more shares at a lower cost.

Each scenario calls for a different approach, but the underlying principle stays the same. Consistent scheduled investing works regardless of where markets stand.

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Dollar-cost averaging in 401(k) plans and other accounts

Dollar-cost averaging works across a range of account types, and many of your clients are already doing it without realizing it. The account type matters because it affects how contributions are made, whether they're automated, and what tax implications come with each.

Here's a breakdown of where dollar-cost averaging fits and how to apply it for each account type:

  • 401(k) and 403(b) plans: payroll deductions make these the most natural fit for DCA, as contributions are already invested automatically with every pay period
  • traditional IRA: clients can set up automatic monthly transfers, with contributions that may be tax-deductible depending on income and plan access
  • Roth IRA: contributions are made with after-tax dollars on a set schedule, and qualified withdrawals in retirement are completely tax-free
  • taxable brokerage account: automatic recurring investments in stocks, ETFs, or mutual funds work well here, though selling appreciated assets may trigger capital gains
  • SEP IRA and SIMPLE IRA: these suit self-employed clients and small business owners, though annual limits and employer contribution rules apply each year

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Who should and (should not) use dollar-cost averaging?

Dollar-cost averaging works well for many clients, but it doesn't suit everyone. Matching the strategy to the right client profile makes a meaningful difference in outcomes.

Clients who are a good fit for DCA

These clients tend to get the most out of a dollar-cost averaging schedule:

  • new investors: clients just getting started often feel overwhelmed by market volatility, and DCA gives them a structured entry point without the pressure of timing
  • clients with a regular income stream: steady earners can commit to fixed monthly contributions, which is the foundation of any effective DCA plan
  • risk-averse clients: for clients who are loss-averse, a gradual approach reduces the anxiety of putting a large sum to work all at once
  • long-term investors: clients with a long investment horizon benefit most, as DCA is designed to smooth out volatility over time rather than optimize short-term returns
  • clients prone to emotional decisions: a fixed schedule keeps clients from reacting to market swings, which helps them avoid panic selling during downturns

Clients who may not benefit from DCA

Dollar-cost averaging isn't always the better choice. Here are some situations where it may not serve your client well:

  • clients with a large lump sum in a rising market: lump-sum investing outperforms DCA about two-thirds of the time historically, particularly when markets trend upward
  • clients comfortable with market risk: if a client has a high risk tolerance and a long time horizon, investing the full amount immediately often produces better returns
  • clients with irregular income: DCA requires a consistent contribution schedule, and clients without predictable cash flow may struggle to keep up
  • short-term investors: DCA is designed for long-term wealth building, and clients who need short-term access to funds are better served by a different approach

The right strategy depends on each client's income, risk tolerance, and investment timeline. A quick review of these factors will tell you whether dollar-cost averaging is the right tool for the job.

Pros and cons of dollar-cost averaging

Like any investment strategy, dollar-cost averaging has its share of strengths and trade-offs. Understanding the benefits and drawbacks helps you set the right expectations with clients and apply the right strategy.

Advantages of dollar-cost averaging

Here are the main reasons to consider DCA for your clients:

  • lowers the average cost per share over time, since clients buy more shares when prices are low and fewer when prices are high
  • removes the pressure of market timing, which even professional investors struggle to get right
  • reduces emotional decision-making by keeping clients on a fixed schedule regardless of market swings
  • builds consistent investing habits, especially when contributions are automated through payroll or bank transfers
  • softens the psychological impact of a market drop, since smaller, staggered investments are easier to absorb than a poorly timed lump sum
  • works well alongside tax-advantaged accounts like 401(k) plans and IRAs, where regular contributions are already built into the plan

Disadvantages of dollar-cost averaging

All told, dollar-cost averaging is not without drawbacks:

  • it tends to produce lower long-term returns than lump-sum investing, since money held in cash misses out on potential market gains
  • in rising markets, clients who spread contributions over time miss gains on the portion still sitting in cash
  • it does not protect against losses in a declining market, since prices can keep falling throughout the contribution period
  • multiple transactions can add up in brokerage fees, which can reduce net returns over time
  • it requires consistent contributions to work, and clients who miss payments break the discipline DCA depends on

Dollar-cost averaging is a practical tool for clients who need structure, discipline, and a lower emotional barrier to getting started. If your client has a lump sum and a strong risk tolerance, though, the data makes a clear case for putting it to work right away.

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