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What is a capital gain, and how does it affect your taxes?

  • Key takeaways

    • A capital gain is the profit made when selling an asset for more than originally paid for it.

    • Capital gains are typically categorized as short-term or long-term, based on how long the asset was held, which affects the tax rate.

    • Selling property or assets in a home country and transferring the proceeds can trigger tax obligations in more than one country.

    • Keeping records of the original purchase price and the sale price, both converted to a reporting currency, is essential for accurate reporting.

    • Consulting a tax professional is especially worthwhile when a capital gain involves cross-border assets.

A capital gain is the profit made when selling an asset for more than it cost. Here’s how it works, and what tax implications it carries, especially if the asset is in another country.

What is a capital gain?

A capital gain is the profit realized when selling an asset(opens in new window), such as property, stock, or a business interest, for more than its original purchase price, known as the cost basis. Capital gains are generally categorized as short-term, for assets held a year or less, or long-term, for assets held longer, and the two are often taxed at different rates.

How capital gains affect your taxes and finances

Understanding capital gains matters for several reasons:

  • Short-term vs long-term treatment. Long-term capital gains are often taxed at a lower rate than short-term gains or ordinary income(opens in new window), which affects the after-tax value of selling an asset.

  • Cost basis matters. The original purchase price, plus certain adjustments, determines the size of the reported gain, so accurate records of what was paid are essential.

  • Losses can offset gains. A capital loss(opens in new window) on one asset can sometimes reduce the taxable amount of a capital gain on another.

Record-keeping tip

Record both the purchase price and the sale price of any asset in the currency each transaction occurred in, along with the exchange rate on each date if the asset is abroad. Capital gains calculations typically require converting both figures to a reporting currency using an appropriate, documented method, and estimating this after the fact from memory is far less reliable than recording it at the time.

Capital gains and international money transfers

For immigrants who sell property or other assets in a home country and transfer the proceeds internationally(opens in new window), capital gains tax obligations can apply in more than one jurisdiction, a genuinely underserved topic in most mainstream tax content. The gain is generally calculated based on the difference between what was originally paid and what it sold for, both converted to a reporting currency, which means the exchange rates at both the purchase and sale dates matter, not just the final transfer amount.

Because immigrants may have tax obligations(opens in new window) tied to income and gains regardless of citizenship status, and because rules around foreign asset sales and tax treaties vary significantly by country, this is a situation where getting professional advice before completing a sale, rather than after transferring the proceeds, can meaningfully affect the outcome.

Short-term versus long-term capital gains

How long an asset was held before selling determines whether a gain is taxed as short-term, generally at the same rate as ordinary income, or long-term, often at a lower rate, if held beyond a specific period. This distinction can meaningfully affect the total tax bill, making the holding period worth tracking carefully for any significant asset being considered for sale.

Capital gains on foreign property specifically

Selling property or an asset located in another country can trigger a capital gain reportable on a U.S. return, potentially alongside a separate tax obligation in that other country too. Whether a tax treaty between the U.S. and that country reduces double taxation on the same gain depends on the specific countries involved, making this an area where professional guidance genuinely pays for itself.

Offsetting gains with losses

A capital loss from selling one asset at a loss can generally be used to offset a capital gain from selling another asset at a profit, a strategy sometimes called tax-loss harvesting, reducing overall taxable gain for the year.

Why keeping records of improvements to a property matters

Making a significant improvement to a property later sold means documenting that cost allows it to be added to the cost basis, reducing the calculated capital gain and therefore the tax owed, a benefit easily lost if the supporting receipts and records aren’t kept over what can be a period of many years.

Common questions about capital gains

  • Do I owe tax on a capital gain if the asset is in another country?

    Potentially, yes, depending on tax residency and the specific rules that apply to the situation. Many countries tax residents on worldwide income and gains, including from foreign property sales, though tax treaties between countries sometimes affect how this is calculated. Because this varies significantly by individual circumstance, confirming with a tax professional familiar with cross-border situations is worth doing.

  • How is capital gain calculated when currency is involved?

    Generally, both the original purchase price and the sale price need to be converted to a reporting currency using the exchange rate applicable on each respective date, rather than a single rate applied to both. This means the gain reported for tax purposes can differ from the gain calculated by simply comparing amounts in the local foreign currency.

  • Can transferring the proceeds internationally trigger additional tax?

    The transfer itself is generally not a separate taxable event; tax typically applies to the capital gain from the sale rather than the act of moving the money. That said, reporting requirements for receiving a large international transfer can apply separately from the capital gains tax itself, so it’s worth understanding both aspects of the situation.

In Summary

A capital gain is the profit from selling an asset for more than it cost, and when that asset is abroad, both the calculation and the tax obligations become more complex than a purely domestic sale. Keeping detailed records of purchase and sale prices, in their original currencies and exchange rates, gives anyone consulted the accurate information needed to report correctly.

This publication is provided for general information purposes only and is not intended to cover all aspects of the topics discussed herein. This publication is not a substitute for seeking advice from an applicable specialist or professional. The content in this publication does not constitute legal, tax, or other professional advice from Remitly or any of its affiliates and should not be relied upon as such. While we strive to keep our posts up to date and accurate, we cannot represent, warrant, or otherwise guarantee that the content is accurate, complete, or up to date.

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