A Household Wash-Sale Checklist Before You Sell at a Loss

Selling a taxable investment at a loss is only the first step in a tax-loss-harvesting decision. Before placing the order, an investor needs to review purchases that already happened, purchases that may happen next, and the accounts that can create a conflict.

That review is useful even for an experienced investor. Dividend reinvestment, recurring contributions, an IRA purchase, and a spouse's account can make a trade that looks clean in one brokerage less straightforward in the household's full records.

This checklist is a planning aid, not a determination that a replacement is or is not substantially identical. The IRS applies the wash-sale rules to the facts of each trade.

Start With the Exact Loss Lot

Write down the security, the specific lot, the intended sale date, and the estimated loss. Specific-lot records matter because a partial replacement purchase can affect only part of a loss, and the sale date anchors both sides of the wash-sale window.

The basic federal rule covers a sale of stock or securities at a loss when the taxpayer acquires substantially identical stock or securities within the 30 days before or after the sale. Include the sale date itself when mapping the calendar: that makes a 61-day review period.

For an overview of why these ordinary actions collide, read why smart investors still trigger wash sales. This page focuses on the records to check before a specific loss sale.

Look Back 30 Days Before the Sale

Before selling, review every acquisition of the security or a potentially substantially identical security during the preceding 30 days. Do not limit the review to manual market orders. Check:

• purchases in the same taxable account;
• purchases in other taxable accounts you can review;
• dividend reinvestment and recurring-investment plans;
• option exercises or other contractual rights to acquire the security; and
• purchases in a spouse's account or related account when applicable.

The lookback matters because a wash sale is not only a future-rebuy problem. A purchase made before the loss sale can affect the result. If the records are incomplete, pause the tax conclusion and reconcile the activity before treating the loss as available.

Map the Next 30 Days

Next, list every purchase that could occur after the sale. Scheduled activity is often the source of the surprise:

• dividend reinvestment on the sold security;
• recurring stock or ETF buys;
• automatic IRA investments;
• employer-stock purchases; and
• planned rebalancing or deposits at another brokerage.

For example, if a taxpayer sells at a loss on July 8, a review should cover June 8 through August 7. August 8 is the first date outside that forward 30-day period for that sale. Calendar dates should be checked against the actual trade date and settlement records rather than estimated from a monthly statement.

Put Retirement Accounts on the Checklist

Losses realized inside an IRA or 401(k) do not create the usual current taxable capital-loss deduction. But an IRA or Roth IRA acquisition can still matter after a taxable loss sale. Under IRS Revenue Ruling 2008-5, an IRA purchase of substantially identical shares can disallow the taxable-account loss without the ordinary taxable-account basis adjustment.

That is why an investor should include IRA purchases and automatic contributions in the pre-trade review. The retirement-account guide explains this account-type boundary in more detail.

Evaluate the Replacement Separately

Staying invested can be an important portfolio goal, but a different ticker is not automatically a clean tax replacement. Compare the benchmark, holdings, concentration, fees, liquidity, and expected tracking behavior. A replacement can change investment exposure even if it reduces an obvious wash-sale concern.

When the replacement question is uncertain, document the decision and consult a qualified tax professional or investment adviser. The tax result should not be the only reason to change the portfolio.

Save a Simple Trade Record

Keep the sale confirmation, selected-lot record, review dates, accounts checked, scheduled-purchase changes, and replacement rationale together. That record makes it easier to reconcile Form 1099-B data and to revisit the decision if an automatic purchase occurs.

Software can make this review easier by surfacing recent lots and scheduled activity, but it depends on complete account data. Wash-sale rebuy notifications describes the kind of calendar warning that is useful after a loss sale.

Before You Place the Order

Use this short pre-trade list:

1. Confirm the exact taxable lot and intended loss sale date.
2. Review the 30 days of prior acquisitions.
3. Identify the next 30 days of automatic and planned purchases.
4. Include relevant taxable, spouse, and retirement accounts in the review.
5. Compare any replacement's investment tradeoffs before assuming it is acceptable.
6. Save the dates and records used for the decision.

The current rule details and reporting discussion are in IRS Publication 550. Tax rules and account circumstances vary, so investors should seek personalized advice before acting on a specific trade.