Margin Interest Calculator
Estimate interest cost on margin loans. Balance times annual rate times days, using simple daily accrual.
Use the Margin Interest Calculator
Enter margin balance, annual rate (%), and days held. Interest cost is calculated using simple daily accrual.
Inputs
Margin balance, annual rate, and days held.
Results
Interest cost ($)
$329
Interest = Balance times (rate / 365) times days. Simple daily accrual.
How this calculator works
Interest = Margin balance times (annual rate / 365) times days. Simple interest; no compounding.
How to interpret your results
Compare the interest cost to expected investment returns to gauge whether margin is worthwhile.
FAQs
What does this calculator do?▾
Estimates interest owed on a margin balance using simple daily accrual: Balance x (rate / 365) x days.
Which inputs matter most?▾
Margin balance and annual rate. Days held determines the period.
When would I use this?▾
To estimate borrowing cost on margin; to compare with investment returns.
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