Your first investment is quite the milestone — and one that puts you in the driver’s seat of your financial future. Whether you’re investing for retirement, a life event, or long-term growth, understanding how investing works helps you make informed decisions with confidence. Learning a few foundational concepts — like what triggers a taxable event and what information to keep for tax time — can help you stay organized, plan ahead, and feel prepared when it’s time for file.

Key takeaways

• Understanding which investment actions trigger taxes can help new investors plan ahead and feel confident come tax season.
• Keeping detailed records of all trades, fees, and account activity makes tax filing easier.
• Understanding how gains and losses work lets you offset taxes strategically and make smarter decisions about selling investments.

What to expect after you invest

Just like your employer sends you a W-2, your brokerage or mutual fund will send tax forms for any taxable events. If nothing taxable happened, you won’t get a form.

If you are investing through tax-deferred or tax-free accounts, like a 401(k) or Roth IRA, what triggers a taxable event will differ from regular, taxable accounts. For example, dividends in these retirement accounts aren’t taxable, so you won’t receive a Form 1099-DIV for them. In a regular taxable account, dividends are taxable and will be reported. Distributions (withdrawals) from retirement accounts will typically trigger a reportable event, but this isn’t the case when you withdraw funds from your taxable accounts.

Understanding common taxable events

Not every move you make in investing triggers taxes, but it’s helpful to know the most common events that do. Here’s a quick guide to the basics.

Sale of a security

Buying a stock or mutual fund and then selling those shares is a taxable event when it happens outside of a retirement or “tax-sheltered” account. Gains or losses are short-term if held one year or less, and long-term if held more than a year (one year plus one day). 

Short-term gains are taxed at your ordinary income rate, while long-term gains are taxed at lower capital gains rates (0%, 15%, or 20%)¹.

If you have a net loss, you can deduct up to $3,000 against ordinary income each year. Any remaining losses can be carried forward to future years.

If you sold stock last year, check out our free Capital Gains Interactive Calculator. In just one screen, you can get answers to your burning questions about your stock sales and get an estimate of how much your stock sales will be taxed, and much more.

Sale of crypto

Crypto is treated like property for tax purposes, so selling it can trigger a taxable event. Your gain or loss is the difference between what you paid (including fees) and what you received.

The IRS asks all Form 1040 filers whether they had digital‑asset transactions during the year, which helps clarify when crypto activity needs to be reported.

With TurboTax Premium, you can automatically import up to 20,000 crypto transactions at once from your crypto platform, avoiding manual entry and helping you accurately report your crypto transactions.

Payment of dividends or interest

Another common taxable event is when a stock or fund pays you a dividend or interest. Both are cash payments, which you can choose to reinvest, but they’re taxed differently.

A qualified dividend is a cash payment by a company, typically funded by its income, and has a lower tax rate. Non-qualified dividends and interest are taxed at the same rate as bank interest.

Brokerages and mutual fund companies will send you a Form 1099-DIV for the dividends and a Form 1099-INT for the interest. Sometimes these forms are just sections of a larger consolidated report, so keep that in mind when you are organizing your records.

Real estate investments and flipping houses

If you buy homes with the intent of quickly flipping them, the IRS may consider you a real estate dealer and not a real estate investor. Dealers pay ordinary income tax rates on profits, no matter how long they hold the property. They also owe self-employment tax of 15.3% on top of regular income taxes.

If you hold your property with the intention to rent it out, you’re considered a real estate investor and would be taxed at capital gains rates (0%, 15%, or 20%), which, for some tax filers, are lower than their ordinary tax rates.

Selling within a year triggers short-term capital gains, which match your ordinary tax rate. Holding the property for more than a year qualifies you for lower long-term capital gains rates.

Don’t forget that, regardless of which category you fall into, capital improvements you make to the property increase your cost basis. Improvements like new flooring, structural work, and other upgrades reduce your gain — and your tax bill. If you are a real estate dealer, then you include property repairs in the cost basis as well. 

How gains and losses work

For many new investors, it’s not clear how their investments are taxed. If you buy a stock and the value of it goes up, you don’t have to pay taxes on those gains every year. You only pay when you “realize” the gain by selling the shares.

• Gains: If you buy 10 shares at $10 and the stock rises to $12, that $2 increase is unrealized. Taxes are owed only when you sell the shares.
• Losses: If the same stock falls to $8, that $2 drop is a paper loss with no tax impact until you sell.

Realized losses can be offset against realized gains. For example, selling one stock for a $20 gain and another for a $20 loss cancels the taxable gain, leaving you with no tax owed on those trades. This is the basis of tax-loss harvesting, where you strategically sell investments at a loss to reduce taxes on other gains in your portfolio.

Long-term vs. short-term gains

When it comes to your gains, it’s good to know the difference between short-term capital gains and long-term capital gains.

Your gains are taxed at the short-term capital gains rate when you sell them and have held them for one year or less. Your gains are taxed at the long-term capital gains rates when you sell them and have held them for more than a year (remember: this means one year plus one day).

The short-term capital gains tax rate is based on your income tax bracket rate. If you’re in the 22% income tax bracket, then your short-term capital gains tax rate is 22%.

Long-term capital rates remain lower than your ordinary income rates at 0%, 15%, and 20%.  Which rate applies to you depends on your taxable income, including your capital gains for the year.

How can capital losses offset income?

If you have more losses than gains in a year, you can take up to $3,000 of those losses and apply them against your taxable income, thereby reducing it. Any loss over that $3,000 amount can be carried forward indefinitely to future tax years.

It’s painful to take a loss, but if you must, it’s nice that you can use it to offset higher-taxed income.

What is net investment income tax?

If you are single or head of household and making over $200,000, or married filing jointly making over $250,000, or married filing separately making over $125,000, you may be subject to the net investment tax of 3.8%. This is an extra tax of 3.8% on net investment income above the threshold amount.

Keeping your investment records organized

Modern-day brokerages and investment apps have pretty good transaction records, but they’re not always perfect. It’s always good to keep a backup transaction log that includes the purchase date, number of shares, cost basis, and commissions or fees. 

If there are mergers, acquisitions, or other similar company events, record those details as well. It will be important information to have once you sell that stock, mutual fund, etc. TurboTax Premium automatically imports investment transactions from hundreds of financial institutions, eliminating time and improving accuracy. 

TurboTax also enables investors to import more transactions across all supported investment types than any other tax software provider. With TurboTax, you can automatically import up to 10,000 stock transactions and 20,000 crypto transactions at once, eliminating manual entry and providing accuracy.

Common tax mistakes to avoid for new investors

Even smart investors can make errors, and if you’re new to investing, it’s even easier to fall into these common traps.

1. Procrastinating on recordkeeping.

Waiting until tax season to get your investment records together can lead to panic, missing receipts, or overlooked fees. If you keep track of everything throughout the year, including transactions and expenses, completing your tax return will be easier and, more importantly, more accurate.

2. Overtrading.

Excessive buying and selling can trigger unnecessary short-term capital gains, which are subject to higher tax rates. Managing your trading activity can help lower your overall tax liability.

3. Ignoring the wash-sale rule.

Selling a stock at a loss and buying a replacement (same or very similar) stock within 30 days means you can’t claim the loss, meaning you lose the tax benefit. The wash-sale rule doesn’t apply to crypto, the IRS treats it as property.

4. Failing to consolidate accounts.

Having multiple brokerage or crypto accounts can make it difficult to track investments and cost basis. Consolidate accounts where possible or use portfolio tracking tools to avoid mistakes and simplify tax reporting.

5. Letting small investments slip through the cracks.

Even tiny trades or fractional shares can generate taxable events. Keep a complete record of all investments, no matter how small or insignificant you think they are, to avoid surprises at tax time.

By staying organized, planning trades carefully, and keeping thorough records, you can avoid these common mistakes and make tax time much easier — without changing how your investments perform.

TurboTax has you covered

No matter what moves you made last year, TurboTax will make them count on your taxes. Whether you want to do your taxes yourself or have a TurboTax expert file for you, we’ll make sure you get every dollar you deserve and your biggest possible refund – guaranteed.

References

1. IRS, Topic no. 409, Capital gains and losses | Internal Revenue Service, December 2025
2. IRS, Digital assets | Internal Revenue Service, October 2025

When I first started investing in the stock market, I wasn’t quite sure what I was doing. I wasn’t sure if my purchases would lose value the moment I bought them or if they would grow into exponential figures. I was also scared that my hard-earned money was going to vanish, and to top it all off, I didn’t know how to report my investments on my taxes. In the last few years, as some stock prices dropped an increase of people investing for the first time, including Millennials and Gen Z. The ability to easily trade and invest with a rise of investment apps like RobinHood, Stash, Acorns, and Coinbase also contributed to the increase of investors.  If you are a first-time investor, let me be the first to congratulate you on your smart, long-term move and explain how the taxes on your investments work. Investing for your future and for your retirement is one of the most important things that you can do, but the impact of investing on your taxes can also be uncertain. Fortunately, these tips will give you a solid primer on what you need to know about taxes and your investments, and they will answer questions like:

• What to expect if I invested?
• What are common taxable events and tax forms?
• How taxes are assessed on realized gains?
• What is the difference between long term vs. short term gains?
• How can capital losses offset income?
• What is net investment income tax?
• What kind of investment records should I keep?

After checking out the below tips, get ready to report your investment income with automatic import from thousands of financial institutions and get unlimited tax advice from real tax experts with TurboTax Experts Premier! TurboTax Experts Premier also helps you accurately calculate capital gains/losses and even set up new rentals and report depreciation.

What to Expect if I Invested?

Like any employer who pays you during the year, you will get tax forms for any taxable events. The IRS requires these forms from the mutual fund companies and brokerage houses, so you’ll also get a copy to help you complete your taxes. You will not get tax forms if you have not had taxable events. If you have any tax-deferred or tax-free accounts, many of those taxable events will not actually be taxable. For example, in a taxable brokerage account, a common stock paying a dividend is a taxable event. However, dividends in a 401(k) or Roth IRA are not considered a taxable event. You won’t get a Form 1099-DIV associated with that payment at the end of the year.

What are Common Taxable Events and Tax Forms?

Sale of a Security

If you buy a stock or mutual fund and then sell those shares, that is a taxable event. If you sold for a gain, it’s either a long-term or short-term capital gain. If you sold for a loss, it’s either a long-term or short-term capital loss. All brokers will issue a Form 1099-B to explain the sale or trade of any security. If you have a gain and have held the security for one year or less, it’s taxed as a short-term gain. If you’ve held it for more than a year, it’s taxed as a long-term gain. At the end of the year, you offset your short-term gains with your short-term losses and your long-term gains with your long-term losses. Those are the values that get taxed at their respective rates. If you have a net loss, you’re allowed to deduct up to $3,000 of those losses against your ordinary income. If you have more than $3,000 in losses, you can carry those losses to future years. For example, if you have $5,000 in losses, you take $3,000 this year and push the $2,000 to next year. Losses aren’t fun to experience but at least you get a tax deduction! If you sold stock last year, check out our free Capital Gains Interactive Calculator. In just one screen, you can get answers to your burning questions about your stock sales and get an estimate of how much your stock sales will be taxed and much more. You can also find out if you have a capital gain or loss and compare your tax outcome of a short term versus long term capital gain, whether you already sold or you are considering selling your stock.

Sale of Cryptocurrency

If you are new to trading cryptocurrency you may be wondering what this means for your taxes. Basically, the same rules that apply to property transactions, like the sale of stocks, apply to cryptocurrency. Additionally, how the virtual currency is used also has an impact on how the virtual currency is taxed. When you sell cryptocurrency you have a taxable event and your gain or loss recognized is calculated as the difference between your cost (the amount spent, including fees, commissions, and other acquisition costs) in the virtual currency and the amount you received in exchange. Don’t worry about knowing how to report your cryptocurrency transactions. The newly redesigned TurboTax Premier will easily guide you through your crypto transactions, and TurboTax Online now supports uploading more than 20,000 cryptocurrency transactions at one time, covering the vast majority of taxpayers with crypto.

Payment of Dividends or Interest

Another common taxable event is when a stock or fund pays you a dividend or interest. They’re both cash payments, which you can reinvest at your own option, but they’re taxed differently. A qualified dividend is a cash payment by a company, typically funded by their income, and has a lower tax rate. Non-qualified dividends and interest are taxed at the same rate as bank interest. Brokerages and mutual fund companies will send you a Form 1099-DIV for the dividends and a Form 1099-INT for the interest.

How Taxes Are Assessed on Realized Gains?

For many new investors, it’s not clear how your investments are taxed. If you buy a stock and the value of it goes up, you do not have to pay taxes on those gains every year. You only pay when you “realize” the gain by selling the shares. If you buy 10 shares of Company X for $10 and the stock jumps to $12, you don’t owe taxes on the $2 gain yet. It can continue to grow, without being taxed, until you sell it. Investments go up in value, but they can also go down. When you have an investment that goes down in value, it won’t have any tax implications until you sell your investment. If you buy 10 shares of Company Y for $10 and the stock falls to $8, you have a paper loss of $2 per share, but no real loss. When you go to sell, you will realize that loss. Realized losses can be used to offset realized gains. In the above scenario, with Company X going up $2 and Company Y going down $2, you have a realized gain of $20 and a realized loss of $20, respectively. If that were all in the same tax year, the gain is offset by the loss and you owe nothing in taxes.

What is the Difference Between Long Term vs. Short Term Gains?

When it comes to your gains, it’s good to know the difference between short term capital gains and long term capital gains. Your gains are taxed at the short term capital gains rate when you sell them and have held them for one year or less. Your gains are taxed at the long term capital gains rates when you sell them and have held them for more than a year. The short term capital gains tax rate is based on your income tax bracket rate. If you’re in the 22% income tax bracket, then your short term capital gains tax rate is 22%. Long term capital rates remain lower than your ordinary income rates at 0%, 15%, and 20% and are not tied to your ordinary income brackets.

How Can Capital Losses Offset Income?

If you have more losses than gains in a year, you can take up to $3,000 of those losses and apply it against your income, thereby reducing it. Any amount of loss over that $3,000 can be carried forward to future tax years indefinitely. It’s painful to take a loss, but if you must, it’s nice that you can use it to offset higher taxed income.

What is Net Investment Income Tax?

If you are single or head of household and making over $200,000, or married filing jointly making over $250,000, or married filing separately making over $125,000 you may be subject to the net investment tax of 3.8%. This is an extra tax of 3.8% on net investment income above the threshold amount.

What Kind of Investment Records Should I Keep?

Modern day brokerages and investment apps have pretty good transaction records, but they’re not always perfect. It’s always good to have a backup transaction log of what you purchased – date, number of shares, cost basis, and to include commission and other fees. If there are mergers and acquisitions, or other similar company events, record the details for those as well. It will be important information to have once you sell that stock, mutual fund, etc. TurboTax Premier automatically imports investment transactions from hundreds of financial institutions, eliminating time and improving accuracy. TurboTax also enables investors to import more transactions across all supported investment types than any other tax software provider.

TurboTax Has You Covered

Don’t worry about knowing these tax rules related to investing. TurboTax redesigned TurboTax Premier which tackles the biggest pain points for the over 21 million taxpayers with investments in the U.S., including personalized guidance and data import to eliminate work. If you want additional assurance, you can connect live via one-way video to a TurboTax Experts Premier tax expert with an average of 12 years experience to get your tax questions answered.  TurboTax Experts Premier tax experts are available in English and Spanish year round and can also review, sign, and file your tax return. You can even connect virtually with a dedicated tax expert who will prepare and file your tax return in entirety with TurboTax Expert Full Service without you ever leaving home. TurboTax Premier can help you accurately figure out your gains and losses, and it’s the only major online tax preparation software that supports easily importing up to 10,000 stock transactions from hundreds of financial institutions and up to 20,000 crypto transactions from the top crypto exchanges, saving you time and ensuring accuracy. TurboTax Premier has partnered with over 300 financial institutions and investment platforms to allow you to auto-import your investment info seamlessly when doing your taxes.

When I first started investing in the stock market, I wasn’t quite sure what I was doing. I wasn’t sure if my purchases would lose value the moment I bought them or if they would grow into exponential figures. I was also scared that my hard-earned money was going to vanish, and to top it all off, I didn’t know how to report my investments on my taxes.

In the last few years, as some stock prices dropped an increase of people investing for the first time, including Millennials and Gen Z. The ability to easily trade and invest with a rise of investment apps like RobinHood, Stash, Acorns, and Coinbase also contributed to the increase of investors. 

If you are a first-time investor, let me be the first to congratulate you on your smart, long-term move and explain how the taxes on your investments work.

Investing for your future and for your retirement is one of the most important things that you can do, but the impact of investing on your taxes can also be uncertain. Fortunately, these tips will give you a solid primer on what you need to know about taxes and your investments, and they will answer questions like:

• What to expect if I invested?
• What are common taxable events and tax forms?
• How taxes are assessed on realized gains?
• What is the difference between long term vs. short term gains?
• How can capital losses offset income?
• What is net investment income tax?
• What kind of investment records should I keep?

After checking out the below tips, get ready to report your investment income with automatic import from thousands of financial institutions and get unlimited tax advice from real tax experts with TurboTax Experts Premier! TurboTax Experts Premier also helps you accurately calculate capital gains/losses and even set up new rentals and report depreciation.

What to Expect if I Invested?

Like any employer who pays you during the year, you will get tax forms for any taxable events. The IRS requires these forms from the mutual fund companies and brokerage houses, so you’ll also get a copy to help you complete your taxes.

You will not get tax forms if you have not had taxable events. If you have any tax-deferred or tax-free accounts, many of those taxable events will not actually be taxable. For example, in a taxable brokerage account, a common stock paying a dividend is a taxable event. However, dividends in a 401(k) or Roth IRA are not considered a taxable event. You won’t get a Form 1099-DIV associated with that payment at the end of the year.

What are Common Taxable Events and Tax Forms?

Sale of a Security

If you buy a stock or mutual fund and then sell those shares, that is a taxable event. If you sold for a gain, it’s either a long-term or short-term capital gain. If you sold for a loss, it’s either a long-term or short-term capital loss. All brokers will issue a Form 1099-B to explain the sale or trade of any security.

If you have a gain and have held the security for one year or less, it’s taxed as a short-term gain. If you’ve held it for more than a year, it’s taxed as a long-term gain. At the end of the year, you offset your short-term gains with your short-term losses and your long-term gains with your long-term losses. Those are the values that get taxed at their respective rates.

If you have a net loss, you’re allowed to deduct up to $3,000 of those losses against your ordinary income. If you have more than $3,000 in losses, you can carry those losses to future years. For example, if you have $5,000 in losses, you take $3,000 this year and push the $2,000 to next year. Losses aren’t fun to experience but at least you get a tax deduction!

If you sold stock last year, check out our free Capital Gains Interactive Calculator. In just one screen, you can get answers to your burning questions about your stock sales and get an estimate of how much your stock sales will be taxed and much more. You can also find out if you have a capital gain or loss and compare your tax outcome of a short term versus long term capital gain, whether you already sold or you are considering selling your stock.

Sale of Cryptocurrency

If you are new to trading cryptocurrency you may be wondering what this means for your taxes. Basically, the same rules that apply to property transactions, like the sale of stocks, apply to cryptocurrency. Additionally, how the virtual currency is used also has an impact on how the virtual currency is taxed. When you sell cryptocurrency you have a taxable event and your gain or loss recognized is calculated as the difference between your cost (the amount spent, including fees, commissions, and other acquisition costs) in the virtual currency and the amount you received in exchange.

Don’t worry about knowing how to report your cryptocurrency transactions. The newly redesigned TurboTax Premier will easily guide you through your crypto transactions, and TurboTax Online now supports uploading more than 20,000 cryptocurrency transactions at one time, covering the vast majority of taxpayers with crypto.

Payment of Dividends or Interest

Another common taxable event is when a stock or fund pays you a dividend or interest. They’re both cash payments, which you can reinvest at your own option, but they’re taxed differently.

A qualified dividend is a cash payment by a company, typically funded by their income, and has a lower tax rate. Non-qualified dividends and interest are taxed at the same rate as bank interest.

Brokerages and mutual fund companies will send you a Form 1099-DIV for the dividends and a Form 1099-INT for the interest.

How Taxes Are Assessed on Realized Gains?

For many new investors, it’s not clear how your investments are taxed. If you buy a stock and the value of it goes up, you do not have to pay taxes on those gains every year. You only pay when you “realize” the gain by selling the shares.

If you buy 10 shares of Company X for $10 and the stock jumps to $12, you don’t owe taxes on the $2 gain yet. It can continue to grow, without being taxed, until you sell it.

Investments go up in value, but they can also go down. When you have an investment that goes down in value, it won’t have any tax implications until you sell your investment. If you buy 10 shares of Company Y for $10 and the stock falls to $8, you have a paper loss of $2 per share, but no real loss. When you go to sell, you will realize that loss.

Realized losses can be used to offset realized gains. In the above scenario, with Company X going up $2 and Company Y going down $2, you have a realized gain of $20 and a realized loss of $20, respectively. If that were all in the same tax year, the gain is offset by the loss and you owe nothing in taxes.

What is the Difference Between Long Term vs. Short Term Gains?

When it comes to your gains, it’s good to know the difference between short term capital gains and long term capital gains.

Your gains are taxed at the short term capital gains rate when you sell them and have held them for one year or less. Your gains are taxed at the long term capital gains rates when you sell them and have held them for more than a year.

The short term capital gains tax rate is based on your income tax bracket rate. If you’re in the 22% income tax bracket, then your short term capital gains tax rate is 22%.

Long term capital rates remain lower than your ordinary income rates at 0%, 15%, and 20% and are not tied to your ordinary income brackets.

How Can Capital Losses Offset Income?

If you have more losses than gains in a year, you can take up to $3,000 of those losses and apply it against your income, thereby reducing it. Any amount of loss over that $3,000 can be carried forward to future tax years indefinitely.

It’s painful to take a loss, but if you must, it’s nice that you can use it to offset higher taxed income.

What is Net Investment Income Tax?

If you are single or head of household and making over $200,000, or married filing jointly making over $250,000, or married filing separately making over $125,000 you may be subject to the net investment tax of 3.8%. This is an extra tax of 3.8% on net investment income above the threshold amount.

What Kind of Investment Records Should I Keep?

Modern day brokerages and investment apps have pretty good transaction records, but they’re not always perfect. It’s always good to have a backup transaction log of what you purchased – date, number of shares, cost basis, and to include commission and other fees. If there are mergers and acquisitions, or other similar company events, record the details for those as well. It will be important information to have once you sell that stock, mutual fund, etc. TurboTax Premier automatically imports investment transactions from hundreds of financial institutions, eliminating time and improving accuracy. TurboTax also enables investors to import more transactions across all supported investment types than any other tax software provider.

TurboTax Has You Covered

Don’t worry about knowing these tax rules related to investing. TurboTax redesigned TurboTax Premier which tackles the biggest pain points for the over 21 million taxpayers with investments in the U.S., including personalized guidance and data import to eliminate work. If you want additional assurance, you can connect live via one-way video to a TurboTax Experts Premier tax expert with an average of 12 years experience to get your tax questions answered. 

TurboTax Experts Premier tax experts are available in English and Spanish year round and can also review, sign, and file your tax return. You can even connect virtually with a dedicated tax expert who will prepare and file your tax return in entirety with TurboTax Expert Full Service without you ever leaving home.

TurboTax Premier can help you accurately figure out your gains and losses, and it’s the only major online tax preparation software that supports easily importing up to 10,000 stock transactions from hundreds of financial institutions and up to 20,000 crypto transactions from the top crypto exchanges, saving you time and ensuring accuracy. TurboTax Premier has partnered with over 300 financial institutions and investment platforms to allow you to auto-import your investment info seamlessly when doing your taxes.