Get your taxes done using TurboTax

Enter a 1099 B under
Federal Taxes Tab or Personal (Home & Business)

Wages & Income

Then scroll down to Investment Income,

Then Stocks, Mutual Funds, Bonds, Other - click Start or Update


If you have a net loss for the year you can only deduct 3,000 (1,500 MFS) max on your tax return. The rest you have to carryover to next year. You have to report the carryover every year until it's used up. You can't skip a year.