Sep 3, 2026
Unrealized gains and losses are the changes in an investment’s value while you still own it, measured against what you paid. The gain or loss exists on paper only, because nothing has been sold, no money has moved, and your brokerage firm recalculates the figure every trading day. If you have been watching an account balance climb for years without ever withdrawing from it, you have been watching unrealized gains. In this guide, our investment fraud lawyer team will walk you through how unrealized gains and losses work, how to calculate them, and when you pay taxes on them. We also cover how these figures affect your net worth, and when a gain on a statement is a sign that something has gone wrong. Realized and Unrealized Gains: What Changes When You Sell Selling is when a gain or loss becomes realized and may have tax consequences. Until then, your portfolio value and your taxable income are two separate figures that move independently of each other. The two figures serve different purposes when you look at your investments and your taxes. One of them describes how your investments are performing, while the other determines what you owe for the year. The change in value happens continuously, but the tax consequence happens once, on a date you choose by selling. That timing is the one part of the process an investor controls, and it is the reason two people holding the same stock can owe very different amounts. When a Paper Profit Becomes a Realized Gain A realized gain is the difference between what the sale brought in and your adjusted basis in the asset. The IRS calculates a capital gain or loss at the point a capital asset is sold or exchanged, rather than at any point while you hold it. Realized gains are generally taxable in the year the transaction occurs, and they are reported on that year’s return. We want you to understand that a gain becomes taxable when you sell or exchange the asset. That is why a paper profit can exist for years before it becomes a taxable gain. While you still own the investment, the increase in its value is not taxable, but the investment can still generate taxable income. How Capital Losses Work Once You Sell Sell below your basis, and the paper loss becomes a realized loss that enters the capital losses calculation on your return. Unrealized losses cannot be deducted, because nothing has been disposed of yet. A net capital loss offsets ordinary income only up to an annual limit set by the IRS, and the remainder carries forward into later years. Gains and losses from the same tax year are netted against each other first, so a loss taken in December can reduce a gain taken in March. Your statement can show a gain or loss while you hold the investment, but it does not affect your taxes until you sell. How to Calculate Unrealized Gains and Losses You may calculate an unrealized gain or loss by subtracting what you paid for an investment from its current market value. Multiply the number of shares you own by the current price, then subtract your total cost. The result is your unrealized gain or loss. Cost basis is the figure to get right, because reinvested dividends, commissions, and stock splits all move it. A gain reported against the wrong basis is more than a clerical problem, because it is a number you may be making decisions on. If you are reading a statement you no longer trust, checking the cost basis is a reasonable place to start. You will find a basis figure on your statement, and you are entitled to ask your brokerage firm how it was calculated. The same subtraction applies to every asset you hold, whatever kind of account holds it. It also applies to shares in mutual funds, where the fund’s daily price replaces the stock price you would use for a single company. Examples of Unrealized Gains and Losses in an Investment Account Three short examples show how the same subtraction works inside an investment account and outside one, and they are as follows: The same arithmetic runs in reverse, because the $12 unrealized gain becomes an unrealized loss the moment the price falls below what you paid. Those amounts can change as the value of the investment changes, but they are not reported as capital gains or losses on your tax return while you still own it. Do You Pay Taxes on Unrealized Gains? You do not pay taxes on an unrealized gain because under current federal rules, a gain is only taxed once you sell. Unrealized gains do not affect your taxable income until the position is sold, which is why a tax bill can arrive years after the growth did. You do not report unrealized gains to the IRS, and unrealized losses cannot be deducted from your taxes in the year they appear. A tax professional handles the specifics for your situation, because the holding period and the type of account both change the answer. The potential tax implications of a sale are worth understanding before you place the order rather than afterwards. Proposals to tax unrealized gains surface in political debate from time to time, and none of them describes the rules in force today. Capital Gains Taxes and How Long You Held the Asset Capital gains taxes turn on the holding period, and the line the IRS draws is one year. An asset is considered a long-term investment when you hold it for more than a year before selling it. If you sell it within a year of buying it, the gain is short-term. Long-term capital gains are taxed at 0, 15, or 20 percent depending on your taxable income for the year. Long-term capital gains and short-term capital gains are netted within their own class first, which is why a short-term loss does not automatically cancel a long-term gain. Short-term capital gains...
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