Taxes when you lose money in investments?

Your claimed capital losses will come off your taxable income, reducing your tax bill. Your maximum net capital loss in any tax year is $3,000. The IRS limits your net loss to $3,000 (for individuals and married filing jointly) or $1,500 (for married filing separately).7 days ago

How much losses can you write off?

$3,000

Specifically, you can only use up to $3,000 of your investment losses as a deduction. Any excess can be carried over to the next tax year.