Realize a Tax Loss Without Undoing the Plan
Sell the unrealized loss in a taxable account while respecting the superficial-loss rule around the transaction.
In this article
A paper loss in a taxable account can deliver a real tax saving, provided you respect two rules. The sale crystallizes the loss, which applies against the year's capital gains or other years' under the carryover rules. It is particularly useful in the year of a property sale. The superficial-loss rule frames the move: repurchasing the same security, by you or an affiliated person, within thirty days before or after the sale voids the loss, and the window is counted on the calendar. The investment plan also keeps priority: sitting out of the market for a month would contradict the target allocation. So you buy a different but correlated security right away, for example another fund of the same market on a distinct index, to maintain exposure without an identical purchase. The tax saving stays subordinate to the plan, never the reverse. This article details the full mechanics, the year-end calendar and the replacement pairs that respect the rule.
Spot the unrealized losses in the right account
Realizing a tax loss only makes sense in a taxable account. In a registered plan, a loss is deductible against nothing, and selling at a loss merely destroys value. Start, then, by listing the non-registered positions whose market value is below their adjusted cost base, with the gap in dollars. Draw up that list at year end, but also after a sharp market decline, which is when the opportunities appear and year end is still far off. Note them as you go.
Respect the superficial loss rule
The rule is strict and symmetrical: repurchasing the same property, or identical property, within thirty days before or after the sale denies the loss, which is then added to the new property's tax cost instead of being deducted. The trap is wider than it looks. A purchase by a spouse, by a controlled corporation or in your own registered plan triggers the same rule. An automatic purchase plan in the fund you sold is also enough to trigger it, so suspend those purchases for the entire window. Thirty days either side.
Maintain exposure without buying the identical
Selling without repurchasing leaves the portfolio out of the market for thirty days. That forgone exposure sometimes costs more than the tax saving. The solution is to buy a different but economically similar security: an index fund tracking a comparable but distinct index, or a basket of securities in the same sector. The difference has to be real and not merely nominal, since two funds replicating exactly the same index resemble each other far too closely. After the thirty-day window, you can take the original position back if it remains preferable. Note the date on a calendar.
Subordinate the tax saving to the plan
Calculate the real saving. A ten-thousand-dollar loss offsets an equivalent taxable gain and is worth, at a forty percent marginal rate on the taxable half, roughly two thousand dollars. Compare that figure with the transaction's costs: commissions, bid-ask spreads, the risk of being out of the market. The carryforward matters too: a loss unused this year carries forward indefinitely and is claimed when a gain appears. One simple rule protects against overreach: sell only if the resulting portfolio is still the one you would have chosen with no tax consideration at all.
Quebec scenario
In November, the taxable account of a manager in Saint-Lambert looks bad: her emerging-markets ETF carries an unrealized loss of $8,200. Her first reaction would be to do nothing, since the loss exists only on paper. Her accountant shows her what it can do for her without betraying her strategy. Selling crystallizes the loss, which applies against the year's capital gains, including those from a rental property sold in the spring. The tax saving is about $2,100. Two conditions frame the move, though. First the superficial-loss rule: repurchasing the same security, by her or an affiliated person, within thirty days before or after the sale would void the loss. The window is honoured by calendar, not instinct. Then exposure: sitting out of the market for a month would contradict her allocation plan. So she immediately buys another emerging-markets ETF, on a distinct but strongly correlated index. Exposure is maintained without an identical purchase. Timing counts too: the trade must settle before the tax year's settlement deadline, which she verifies with the broker. Thirty-three days later, she is free to repurchase the original fund. She finds the replacement doing the same job at comparable fees and keeps it. The paper loss paid out a real tax saving, and the portfolio never strayed from its target, which was the first condition of the whole operation.
Checklist
- Spot the taxable account's unrealized losses
- Check the year's gains to offset
- Count the thirty-day window on the calendar
- Avoid any identical repurchase, affiliated persons included
- Immediately buy a different correlated security
- Maintain the plan's exposure without interruption
- Settle the trade before the tax deadline
- Document the replacement pair
- Subordinate the tax saving to the plan, always
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