Schedule D

Schedule D is the big-picture form on your tax return where all your investment gains and losses come together. Think of it as the summary page—individual transactions live on Form 8949, but Schedule D is where the totals land.

The form has two main sections: Part I for short-term gains and losses (assets held a year or less) and Part II for long-term (held over a year). Part III combines everything to calculate your net result—whether you owe tax on gains or get to deduct losses.

If you only have a handful of transactions and your broker reported the cost basis correctly, you can often skip Form 8949 and enter the summary totals from your 1099-B directly onto Schedule D. Once you have adjustments or unreported basis, though, Form 8949 becomes necessary.

Schedule D also handles some special situations: capital loss carryforwards from prior years, gains from installment sales, and partnership gains from Schedule K-1. The worksheet in the instructions figures out whether your long-term gains qualify for the 0%, 15%, or 20% rate.

For anyone with a mix of crypto, stocks, real estate, or other investments, Schedule D is the central hub for all of it. Worth noting: errors here are one of the more common triggers for IRS audits on individual returns.