A market correction can change your portfolio’s percentages without changing the goal the money is meant to fund. First compare your current mix with the allocation you chose for that goal. If your time horizon, risk tolerance and financial circumstances still support the plan, rebalance deliberately rather than selling because of headlines. Directing new contributions to underweight assets can sometimes restore the mix with less selling; any trade should be checked for transaction costs and tax consequences.
This is general U.S. investor education, not an individualized allocation, security recommendation or tax determination. The SEC says no single asset-allocation model is right for every financial goal.
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Start by deciding whether the plan—not just the percentages—has changed
A price decline does not, by itself, mean your intended allocation is wrong. Asset allocation is a decision about how much risk to accept in pursuit of a particular goal. Revisit the facts that justified the plan:
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- Time horizon: Note when withdrawals are expected and whether spending will occur all at once or over many years.
- Risk tolerance: Ask how much volatility and potential loss you can withstand without abandoning the plan.
- Financial circumstances: Consider changes in income, debt, emergency savings, dependents, health, upcoming spending or other assets.
If those inputs are materially different, changing the target allocation may be more appropriate than mechanically restoring an old percentage. If they are substantially the same, a correction may simply have created drift away from the existing target. The SEC’s investor-education material cautions against rapid decisions that ignore long-term goals. Lori Schock, former director of the SEC’s Office of Investor Education and Assistance, wrote in an archived Investor.gov article that during volatility it can be tempting to make major changes and that investors should avoid “rash decisions.” That page is no longer updated, so treat the quotation as background rather than a current rule.
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Measure exactly how far the portfolio has drifted
Gather current values for every investment account you consider part of the same plan. Include workplace plans, individual retirement accounts and taxable accounts where practical. For each holding, record its current value, asset class and percentage of the total. Calculate a current weight as holding value ÷ total portfolio value × 100, then compare it with the intended weight.
Separate allocation drift from concentration risk
A portfolio can appear diversified by asset class while being concentrated inside one class. Several funds may own many of the same companies, a broad fund may be paired with a narrow sector fund, or employer stock may dominate the equity exposure. Review the underlying holdings, geographic exposure and major sectors where disclosures provide them. Rebalancing back to a stock/bond percentage does not automatically fix overlap or a single-security concentration.
Use illustrations correctly
The SEC guide uses hypothetical examples in which a 60/40 stock-and-bond mix becomes 80/20, and an 80/20 mix becomes 85/15. These are teaching illustrations, not statistics about typical corrections or forecasts of what your account should do. The relevant question is the gap between your own target and current weights.
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| Item to compare | Question to answer |
|---|---|
| Target allocation | What percentages did the written investment plan assign to each asset category? |
| Current allocation | What are the percentages after the correction, using current market values? |
| Absolute drift | How many percentage points does each category differ from its target? |
| Concentration | Did one fund, company, sector or country become an outsized share? |
| Whole-plan view | Are accounts being evaluated together, or is one account being rebalanced while the overall mix remains off target? |
Choose a rebalancing method that fits your costs and accounts
Rebalancing means moving a portfolio toward its intended allocation after relative performance changes the weights. It can restore the risk profile you selected, but it cannot guarantee a profit or prevent further losses. The three practical methods differ mainly in whether you sell and in how quickly they change the mix.
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| Method | What you do | Potential advantages | Checks before using it |
|---|---|---|---|
| Sell overweight, buy underweight | Sell enough of overweight holdings and purchase underweight holdings. | Can restore several categories promptly and precisely. | Review commissions, spreads, fund charges, tax consequences and any account restrictions. |
| Use new money | Invest incoming cash, a bonus or a transfer in underweight categories instead of selling. | May reduce or avoid sales and their associated tax events. | Confirm that the contribution is available for investment and that the resulting mix will be close enough to target. |
| Redirect ongoing contributions | Change payroll or automatic-investment instructions so future deposits favor underweight assets. | Gradually corrects drift while keeping existing holdings in place. | Check plan investment menus, contribution limits and how long the correction may take. |
Selling and buying
This is the most direct approach when drift is large or cash flows are insufficient. Decide in advance how much of each category to move, place trades according to the account’s procedures and document the resulting weights. A sale in a taxable account can create a realized gain or loss; the result depends on the holding’s cost basis, holding period and applicable tax rules. A trade inside a retirement account may have different immediate tax treatment, but account rules and fees still matter.
Putting new money to work
Directing a deposit to an underweight category can change the percentages without disposing of an appreciated position. This method is useful when you have regular savings or a lump-sum contribution and the gap is moderate. It does not eliminate investment risk: the newly purchased asset can fall after you buy it, and a contribution may not be large enough to restore the target quickly.
Redirecting contributions
Workplace plans often let you alter the percentage sent to each investment option without selling existing positions. This can be a low-friction way to correct drift over several pay periods. Check the plan’s processing date, fund availability and any limits on changes. If the account is close to a goal’s spending date, a slow correction may not address the risk quickly enough; that is a reason to evaluate the plan rather than assume gradual contributions are sufficient.
Adopt a written review rule instead of reacting to headlines
Choose the condition that will trigger a review before the next period of volatility. Two common frameworks are a calendar schedule and a drift threshold.
Calendar reviews
Reviewing every six or twelve months is cited by SEC educational material as an example of intervals some experts suggest. Those intervals are not a mandatory cadence, a study result or a guarantee of better returns. A calendar review can make the task predictable, but reviewing too often may encourage unnecessary trades. The SEC guide says rebalancing tends to work best relatively infrequently.
Threshold reviews
Set a preselected rule such as reviewing when an asset class is a specified number of percentage points away from target. The threshold is a design choice, not a universal SEC recommendation. A wider threshold usually means fewer trades and more temporary drift; a narrower one keeps weights closer to target but may increase trading and tax activity. Write down whether the threshold is measured in percentage points or as a percentage of the target, and apply the same rule consistently.
Whichever framework you use, record the target, the review date, the reason for any change and the post-trade allocation. A written rule helps distinguish a planned rebalance from a decision made in response to a frightening news cycle.
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A target-date fund generally rebalances internally and changes its mix over time along a glide path that typically becomes more conservative as the target year approaches. Owning one does not mean every account is automatically appropriate or that no review is needed.
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Compare the actual glide path
Funds with the same target year can have different stock/bond mixes, different dates at which they become most conservative and different policies for the period after the target year. Read the fund’s prospectus and shareholder materials to see the current allocation and how it is expected to change.
Look at the entire portfolio
Other accounts, employer stock, bank deposits and outside investments can materially change your overall risk even if the target-date fund is internally balanced. Combining a target-date fund with additional stock or sector funds may create an allocation that is far more aggressive than the fund’s label suggests.
Include total fees
Compare the fund’s expense ratio and any plan-level or service charges with the costs of the alternatives available in the account. The target year alone is not enough to judge fit; consider glide path, risk, fees and how the fund interacts with your other assets.
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The SEC’s beginner guide specifically advises considering whether your chosen method will trigger transaction fees or tax consequences. Costs can include commissions, bid-ask spreads, fund redemption charges, short-term trading fees and account-level charges. Confirm the current schedule for the particular account and investment; costs vary by provider and transaction.
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Tax treatment depends on account type and facts such as cost basis, holding period, realized gains or losses and local rules. A taxable sale can create a reportable event, while retirement accounts have their own distribution, contribution and withdrawal requirements. Do not assume that a trade is tax-free because it is described as a rebalance, and do not assume that a loss or gain will be treated a particular way without checking current rules. A tax adviser can evaluate account-specific consequences.
Where a sale is necessary, consider whether you can rebalance inside a tax-advantaged account first, whether available cash can reduce the size of taxable sales and whether the resulting allocation still meets the written plan. These are planning questions, not a promise of a particular tax outcome.
Know when individualized advice is warranted
Consider consulting a qualified financial professional or tax adviser when the portfolio spans many accounts, includes concentrated employer stock, has complex tax lots, uses alternatives or is close to a major spending date. Professional help may also be useful after a change in income, inheritance, divorce, health, retirement timing or debt obligations. Ask the adviser to explain the proposed target, assumptions, fees, tax implications and how often the plan will be reviewed.
Be cautious of anyone presenting a single allocation as universally correct or promising that rebalancing will prevent losses. No allocation eliminates market risk, and no rebalancing schedule can predict the next correction.
A practical decision path
- Pause: Do not trade solely because prices fell or a headline sounds urgent.
- Reconfirm the plan: Write down the goal, time horizon, risk tolerance and any changed financial facts.
- Measure: Calculate current weights across relevant accounts and inspect concentration within each asset class.
- Select the least disruptive workable method: Compare new contributions, redirected contributions and sales in light of fees, taxes and the size of the drift.
- Apply your written rule: Use the calendar or threshold you selected rather than improvising a timing call.
- Verify: Check the post-trade mix, update your records and set the next review date.
The objective is not to predict whether the correction is over. It is to keep the portfolio aligned with a goal and risk level that still make sense, while recognizing the costs and taxes that each corrective action can create.
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