Home Back

Stock Borrow Fee Calculator

Stock Borrow Fee Formula:

\[ Fee = \frac{(Rate \times Value \times Days)}{365} \]

%
$
days

Unit Converter ▲

Unit Converter ▼

From: To:

1. What is Stock Borrow Fee?

Stock borrow fee is the cost associated with borrowing shares for short selling. It's calculated based on the borrowing rate, the value of the shares, and the duration of the loan.

2. How Does the Calculator Work?

The calculator uses the stock borrow fee formula:

\[ Fee = \frac{(Rate \times Value \times Days)}{365} \]

Where:

Explanation: The formula calculates the proportional cost of borrowing shares based on the annual rate applied to the specific borrowing period.

3. Importance of Stock Borrow Fee Calculation

Details: Accurate fee calculation is crucial for short sellers to understand their borrowing costs, manage risk, and calculate potential profitability of short positions.

4. Using the Calculator

Tips: Enter the annual borrowing rate as a percentage, the market value of the borrowed shares in dollars, and the number of days you plan to hold the short position. All values must be positive.

5. Frequently Asked Questions (FAQ)

Q1: What factors affect stock borrow rates?
A: Borrow rates vary based on stock availability, demand for shorting, stock volatility, and overall market conditions.

Q2: Are borrow fees charged daily?
A: Yes, borrow fees are typically calculated and charged on a daily basis based on the annual rate.

Q3: Can borrow fees change during a short position?
A: Yes, borrow rates can fluctuate daily based on changing market conditions and availability of shares.

Q4: Are there additional costs besides the borrow fee?
A: Some brokers may charge additional fees or require margin interest on short positions.

Q5: How is the borrow rate typically expressed?
A: Borrow rates are usually expressed as an annual percentage rate (APR).

Stock Borrow Fee Calculator© - All Rights Reserved 2025