Investment Interest Expense — Tax Deduction Guide 2026
Deduct interest paid on loans used to purchase investments.
Eligibility
Investors with margin interest or investment loans
Tax Savings Calculator
Estimated Tax Savings
$1,100
At the 22% tax bracket, a $5,000 deduction saves you $1,100 in taxes.
Savings by Tax Bracket
Requirements
- 1Limited to net investment income
- 2Must itemize
- 3Carryforward allowed
Common Mistakes to Avoid
- !Including personal interest
- !Not electing capital gains treatment
Required Tax Forms
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Frequently Asked Questions
What is the Investment Interest Expense?
Deduct interest paid on loans used to purchase investments.
Who is eligible for the Investment Interest Expense?
Investors with margin interest or investment loans
How much can I save with the Investment Interest Expense?
The average tax savings is $1,500 per year. Your actual savings depend on your tax bracket and qualifying amount.
What forms do I need for the Investment Interest Expense?
You'll need to file Form 4952 and Schedule A to claim this deduction.
What are common mistakes with the Investment Interest Expense?
Common mistakes include: Including personal interest; Not electing capital gains treatment. Always double-check requirements before filing.
Is the Investment Interest Expense worth claiming?
With average savings of $1,500, the investment interest expense is worthwhile for most eligible taxpayers. Make sure you meet all eligibility requirements.