Schwab Margin Interest Formula:
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Margin interest is the cost of borrowing money from your brokerage to purchase securities. Schwab charges interest on the debit balance in your margin account at their published margin rates.
The calculator uses the simple interest formula:
Where:
Explanation: The calculation shows the interest you'll pay on your margin balance for the current rate period.
Details: Understanding margin interest costs helps investors evaluate whether margin trading makes financial sense and manage the costs of leveraged positions.
Tips: Enter your current debit balance in USD and the current Schwab margin rate (as a decimal). For example, for 8.325% rate, enter 0.08325.
Q1: How often is margin interest charged?
A: Schwab typically charges margin interest daily, but it's accrued and posted to your account monthly.
Q2: Where can I find current Schwab margin rates?
A: Current rates are published on Schwab's website and vary based on your account balance.
Q3: Is margin interest tax deductible?
A: Margin interest may be tax deductible as investment interest expense, but consult a tax professional.
Q4: How can I reduce margin interest costs?
A: You can reduce costs by paying down your debit balance or transferring to a lower-rate margin account if available.
Q5: Does this calculator account for compounding?
A: No, this shows simple interest for one period. Actual costs may vary with daily compounding.