$LevyIO

Margin Interest Deduction in Missouri 2026

Calculate your margin interest deduction tax savings in Missouri. With Missouri's 4.8% top state tax rate, your combined savings are higher.

Missouri Tax Overview

State Income Tax
4.8%
progressive
Sales Tax
4.225%
avg combined: 8.29%
Property Tax Rate
0.91%
Median Income
$60,374

Top rate 4.8%. Federal income tax deduction allowed. Uses federal standard deduction.

Missouri Income Tax Brackets (Single)

0%
$0 - $1,207
2%
$1,207 - $2,414
2.5%
$2,414 - $3,621
3%
$3,621 - $4,828
3.5%
$4,828 - $6,035
4%
$6,035 - $7,242
4.5%
$7,242 - $8,449
4.8%
$8,449 +
Your bracket
$1,340
Est. Total Savings
No Limit
Max Deduction
Itemized
Deduction Type
26.8%
Combined Tax Rate

Margin Interest Deduction Savings Calculator for Missouri

$
$

Federal Savings

$1,100

22% bracket

Missouri State

$240

4.8% rate

Total Savings

$1,340

26.8% combined

At a 26.8% combined tax rate in Missouri, every $1,000 in deductions saves you $268 in taxes.

Savings by Tax Bracket in Missouri

10%
$740
12%
$840
22%
$1,340
24%
$1,440
32%
$1,840
35%
$1,990
37%
$2,090

Includes 4.8% Missouri state tax on top of federal savings.

Eligibility Requirements

Investors who borrow on margin to purchase taxable investments

  • 1Must itemize deductions
  • 2Limited to net investment income
  • 3Cannot use for tax-exempt investments
  • 4Excess carries forward to future years

Missouri residents should verify that this deduction is also recognized on their state tax return for additional savings of up to 4.8%.

Common Mistakes to Avoid

  • !Deducting margin interest for tax-exempt bond purchases
  • !Not tracking carryforward of excess interest
  • !Forgetting to elect to treat capital gains as investment income
  • !Forgetting to claim the deduction on your Missouri state return (missing up to 4.8% additional savings)

Missouri Filing Tips

Use Missouri's federal income tax deduction. Federal standard deduction applies. Social Security exempt if AGI below $100K (married). Property tax credit for seniors.

Required Tax Forms

Form 4952Schedule A

File these forms with your federal tax return to claim the margin interest deduction. Missouri may require additional state-specific forms.

Other Tax Deductions in Missouri

Capital Loss Deduction

Investment

~$804
est. savings

Tax-Loss Harvesting

Investment

~$6,091
est. savings

Investment Interest Expense

Investment

~$1,827
est. savings

Qualified Dividend Tax Rate

Investment

~$3,655
est. savings

Opportunity Zone Investment

Investment

~$12,182
est. savings

1031 Like-Kind Exchange

Investment

~$36,545
est. savings

QSBS Exclusion (Section 1202)

Investment

~$121,818
est. savings

Installment Sale

Investment

~$9,745
est. savings

Margin Interest Deduction in Neighboring States

Iowa

3.8% top rate (flat)

~$1,407
+67 vs Missouri

Illinois

4.95% top rate (flat)

~$1,470
+130 vs Missouri

Kentucky

4% top rate (flat)

~$1,418
+78 vs Missouri

Tennessee

No state income tax

~$1,200
-140 vs Missouri

Arkansas

4.7% top rate (progressive)

~$1,456
+116 vs Missouri

Oklahoma

4.75% top rate (progressive)

~$1,459
+119 vs Missouri

Kansas

5.7% top rate (progressive)

~$1,511
+171 vs Missouri

Nebraska

5.84% top rate (progressive)

~$1,519
+179 vs Missouri

Tax Calculators for Missouri Cities

Kansas CitySt. LouisSpringfieldColumbiaIndependenceLee's SummitLee's SummitOFallonSt. JosephSt. Charles

Calculate Your Full Tax Savings in Missouri

Use our free tax calculators to optimize your entire tax return for Missouri.

Income Tax CalculatorMissouri Income TaxFull Margin Interest Deduction Guide

Frequently Asked Questions

How much can I save with the Margin Interest Deduction in Missouri?

In Missouri, the margin interest deduction can save you an estimated $1,340 per year on a $5,000 deduction. This includes $1,100 in federal tax savings and $240 in Missouri state tax savings at the 4.8% marginal rate. The national average savings is $1,200/year.

What is the Missouri state income tax rate?

Missouri has a progressive income tax system with a top rate of 4.8%. Top rate 4.8%. Federal income tax deduction allowed. Uses federal standard deduction.

Who qualifies for the Margin Interest Deduction in Missouri?

Investors who borrow on margin to purchase taxable investments. The eligibility requirements are the same whether you live in Missouri or another state, as this is a federal tax deduction. However, your total savings will vary based on Missouri's 4.8% top state tax rate.

What tax forms do I need to claim the Margin Interest Deduction in Missouri?

To claim the margin interest deduction, you need to file Form 4952 and Schedule A with your federal return. Missouri residents should also check if the state allows this deduction on their state return for additional savings of up to 4.8%. Filing status affects your deduction limits and tax bracket.

Is the Margin Interest Deduction better in Missouri than in states without income tax?

Yes, Missouri residents benefit more because the state's 4.8% top income tax rate means the deduction reduces both your federal AND state tax liability. In states with no income tax (like Texas, Florida, or Nevada), this deduction only reduces federal taxes. Your combined rate of 26.8% means more savings per dollar deducted.

What is the standard deduction in Missouri for 2026?

Missouri's standard deduction is $14,600 for single filers and $29,200 for married filing jointly. Use Missouri's federal income tax deduction. Federal standard deduction applies. Social Security exempt if AGI below $100K (married). Property tax credit for seniors.

Related Calculators

Capital Loss Deduction in Missouri

Avg savings: $660/year

Tax-Loss Harvesting in Missouri

Avg savings: $5,000/year

Investment Interest Expense in Missouri

Avg savings: $1,500/year

Qualified Dividend Tax Rate in Missouri

Avg savings: $3,000/year

Opportunity Zone Investment in Missouri

Avg savings: $10,000/year

1031 Like-Kind Exchange in Missouri

Avg savings: $30,000/year