Compare the tax value of an investment loss with wash-sale restrictions, carryforwards and replacement risk before making a year-end sale.
October 28, 2024 · Financial Forte Staff
Historical article: prepared retrospectively using information available as of October 28, 2024.
An investment loss can be frustrating even when the rest of the portfolio is doing its job. Near year-end, the possibility of using that loss on a tax return may make selling feel productive. Before acting, separate the tax opportunity from the investment decision you still need to make.
Tax-loss harvesting can help manage taxable gains, but it should leave you with a portfolio you are comfortable owning. Check the cost basis, the tax character of gains and losses, the wash-sale rules and the proposed replacement. A deduction has limited value if obtaining it creates a larger investment or cash-flow problem.[1]
Understand what the loss changes
In a taxable investment account, a realized capital loss can offset capital gains under the applicable netting rules. Short-term and long-term categories matter. If losses exceed gains, a limited net capital loss may reduce other income, with unused losses potentially carried into later years. The general annual deduction limit is $3,000, or $1,500 for married taxpayers filing separately.[1]
Selling an investment inside an IRA does not create the same current capital-loss deduction on your personal return. Begin by identifying the account type. The fact that an investment is down does not establish that selling it creates a usable tax benefit.
Also confirm the actual tax basis of the shares being sold. A position can contain purchases made at different prices, and reinvested distributions can affect the records. An account's simple performance display is not necessarily the gain or loss that will appear on the tax form.
If you already have capital-loss carryforwards, include them in the projection. Adding another loss may increase a carryforward rather than reduce this year's tax. That can still have future value, but the timing and amount are uncertain until the relevant gains and tax position are known.
Put the tax benefit beside the economic loss
Devin has $9,000 of realized long-term gains this year in this hypothetical example. Devin also owns shares with a $20,000 tax basis that could be sold for $14,000, producing a $6,000 long-term loss before costs. Assume no other relevant capital items or wash-sale adjustment.
Netting the $6,000 loss against the $9,000 gain leaves $3,000 of net long-term gain. At an assumed 15% federal capital-gains rate, reducing taxable gains by $6,000 would reduce the illustrated federal tax by $900. State taxes, other income effects and transaction costs are excluded.
That does not mean Devin recovered the $6,000 investment decline. The tax effect is $900 under the stated assumptions, leaving $5,100 of the $6,000 decline unrecovered by that illustrated tax saving. The $14,000 of sale proceeds still needs an appropriate role in the portfolio, and any replacement can rise or fall.
If Devin had no gains to offset and no other capital items, the timing would differ. For a taxpayer eligible to use the full $3,000 annual net-loss deduction, a $6,000 net loss could generally produce a $3,000 current deduction and a $3,000 carryforward, subject to the tax-return calculation. A deduction reduces taxable income; it is not a dollar-for-dollar tax credit.[1]
The right question is how much of the loss is useful, when it may be useful and what the sale changes in the investment plan. That is more informative than celebrating the largest available loss.
Review purchases on both sides of the sale
The wash-sale rules can disallow a loss when substantially identical stock or securities are acquired within 30 days before or after the loss sale. Relevant purchases can include automatic reinvestment and activity beyond the account where the sale occurs. Purchases by a spouse or in your IRA can also matter.[1]
For Devin, selling the shares and automatically repurchasing the same investment a week later could defeat the intended current deduction. A small automatic dividend reinvestment can also affect part of a loss, so review recurring purchases as well as deliberate trades. Reviewing only purchases after the sale would also be incomplete because the preceding 30 days count.
When the replacement is in a taxable account, a disallowed loss generally adjusts the replacement's basis under the rules rather than simply disappearing. The treatment differs when the relevant purchase is in an IRA or Roth IRA; the same basis adjustment is not available. Coordinate the household's activity before assuming a wash sale merely delays the benefit.[1]
A different ticker does not, by itself, establish that a replacement is sufficiently different. Have the proposed transaction reviewed based on the actual investments. The broker's tax form is useful, but it may not capture every relevant transaction across institutions or family accounts.
Choose what to own after the sale
Compare the replacement's risk, expenses and role with the investment being sold. If it changes the portfolio's exposure substantially, the tax saving may come with a trade-off you did not intend. If you wait in cash, recognize that the market can move during the waiting period. Reinvesting at a lower cost basis can also produce a larger taxable gain on a later sale, so part of a harvesting benefit may be tax deferral rather than permanent savings.[1][2]
Devin might decide the original investment no longer fits and use the sale to make an already-needed allocation change. Alternatively, the original holding may remain suitable, and the available tax benefit may not justify the disruption or uncertainty. Either conclusion should be tied to the plan rather than to the discomfort of seeing a loss.
Before submitting an order, confirm the tax lots, proposed proceeds, replacement, any existing loss carryforward and household purchase activity. Afterward, retain the records and give the tax preparer the information needed to reconcile the result. A useful year-end tax decision is one that remains sensible when you look beyond the deduction to the investments you will hold next.
Related reading
- Year-End Capital Gains: Plan Before You Sell
- Capital Gains: The Holding Period Is Only Part of the Decision
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Educational information, not personalized investment, tax, legal or benefits advice. Examples use hypothetical assumptions. Verify current rules and your circumstances before acting.
