[header] How to complete a schedule d form [title] Separate short term and long term gains and losses. [step] This is mainly what you're tracking in form 8949 and schedule d. your gains and losses are based on your capital assets. Capital assets are anything you own that can make or lose money throughout the year. 
They include things like your home, car, artwork, and collectables. They also includes investment assets like stocks, bonds, and some properties.