How Married Couples Should Claim Joint Account Capital Losses

We have two joint non-registered accounts set up, one for me and one for my wife. I’ve been tracking adjusted cost bases and combined we have about a $15k tax loss. I haven’t calculated those separately for each account.

Should I decide to sell and take the loss, I would repurchase a similar security (sell VGRO and buy XGRO). My understanding is that because these track different indices, it’s kosher with CRA.

My question is related to the tax loss. Is it calculated with CRA separately for my wife and I or is it combined?

—Andrew

Reporting capital losses as spouses with joint accounts

If you and your spouse hold two joint non-registered accounts, it’s important to clarify whether those accounts are truly joint for tax purposes or effectively separate accounts in name only. The Canada Revenue Agency (CRA) distinguishes between legal ownership—the name on the account—and beneficial ownership—who actually owns the funds for tax reporting.

Often couples set up accounts as joint for convenience or estate planning while the money in each account was contributed by one spouse. In those situations, the account may be legally joint but beneficially attributable to the contributing spouse for tax purposes. A common informal rule some couples use is whose name appears first on the account: “Andrew and Andrea” would typically be treated as Andrew’s for tax reporting and “Andrea and Andrew” as Andrea’s. That convention isn’t definitive, but it reflects how beneficial ownership is often determined in practice.

When accounts are truly joint and both spouses have proportionate ownership, income, gains and losses should be reported according to each spouse’s share. If an account is beneficially yours and the other account is beneficially your wife’s, each spouse should report gains or losses attributable to their account. If the joint accounts are split equally, report gains and losses 50/50. Taxpayers cannot simply choose which spouse will claim a loss; reporting must reflect actual beneficial ownership and contributions.

When you have a combined adjusted cost base

For true joint accounts where both spouses hold the same securities, you must calculate the combined adjusted cost base (ACB) across the holdings when determining a capital gain or loss. For example, if you purchased $20,000 of Vanguard Growth ETF Portfolio (VGRO) in one joint account and $10,000 of VGRO in the other, selling VGRO units in the second account requires calculating the ACB based on all VGRO units across both accounts, not only the lots in the account where you sold. Combining ACBs prevents you from isolating gains or losses within a single account when ownership is shared.

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Avoid creating a superficial loss

The CRA’s superficial loss rule can deny a capital loss if you sell a security at a loss and then repurchase the same or an identical security within 30 days. To realize a valid tax loss while staying invested, many investors sell the offsetting security and immediately buy a similar—but not identical—ETF or fund. In your case, selling VGRO and buying XGRO could be an effective strategy because the two ETFs track different indices, even though they have similar asset mixes and many of the same top holdings.

VGRO and XGRO are structured to provide a growth-oriented mix of global stocks and bonds with similar target allocations. Because they track different underlying indexes, swapping VGRO for XGRO typically avoids the superficial loss rule and preserves your market exposure. If you prefer to return to VGRO, one safe approach is to wait at least 31 days after the sale before repurchasing VGRO to avoid a superficial loss denial.

How to report a capital loss

Capital losses in non-registered accounts are deductible against capital gains for tax purposes. Note that losses inside registered or tax-advantaged accounts such as RRSPs or TFSAs are not tax-deductible. If your capital losses exceed capital gains in a given year, you can carry those net capital losses back up to three taxation years to offset prior capital gains (and potentially claim a refund) or carry them forward indefinitely to offset future capital gains.

When you report losses, ensure they are claimed on the tax return of the spouse who beneficially realized them. For joint holdings where ownership is split, allocate losses according to each spouse’s proportionate share.

Be careful when tax-loss selling

Year-end tax-loss selling is common, but take care to avoid costly mistakes: don’t inadvertently trigger a superficial loss by repurchasing the same or identical investments within 30 days, and don’t assume you can arbitrarily assign losses between spouses. Follow documentation and brokerage records to establish who contributed the funds and how ownership is shared. Keeping clear records of contributions, purchases, sales and ACB calculations will help you report correctly and defend your positions if the CRA requests clarification.

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