What Is the Call Money Rate?

What Is the Call Money Rate?

3 Min.

The call money rate is the interest rate banks charge brokers for margin loans. Margin trading allows for leveraged gains, but it also magnifies losses. 


A short-term loan that banks make to brokers, who then lend the money to investors to fill margin accounts, carries an interest rate known as the call money rate. This kind of loan must be repaid immediately and has no specified repayment period for brokers or investors. The investor who owns the margin account pays their broker the call money rate plus a service charge in exchange for the broker's use of the margin services.

How Does the Call Money Rate Work?

The call money rate, alternatively termed the broker loan rate, emerges as the pivotal factor for assessing the lending cost incurred by an investor engaged in margin trading through their brokerage account. The concept of margin trading involves a calculated risk wherein investors engage in transactions using borrowed funds. This practice, though potentially lucrative, enhances an investor's leverage, thereby proportionally elevating the associated investment risk.

The Pros and Cons of Margin Trading

Margin trading offers the advantage of magnified investment gains while concurrently exposing investors to the drawback of intensified losses. In scenarios where investors engaged in margin trading encounter an equity decline that breaches a predefined threshold relative to their borrowed amount, brokerage firms institute a margin call, mandating additional cash infusion into the account or the liquidation of securities to bridge the deficit.

Regrettably, this course of action can exacerbate the investor's losses due to the timing of margin calls, which often coincide with a substantial depreciation in the value of held securities. Consequently, offloading devalued securities during this period crystallizes losses, as opposed to the alternative of retaining the investment and awaiting a subsequent value recovery for optimal divestment.

Call Money Rate in Action

Brokerage entity ABC embarks on a mission to secure 1,000 shares of Apple Inc. on behalf of a substantial client pursuing a margin-based acquisition. With the client committed to full payment within 30 days, the broker orchestrates a maneuver wherein borrowed capital from a bank facilitates the immediate share acquisition. The lending bank retains the prerogative to demand repayment at any juncture, attaching a call money rate that aligns with the London InterBank Offered Rate (LIBOR), augmented by 0.1%. The broker retains the option to initiate a margin call should expedited funds retrieval be chosen prior to the stipulated 30-day interval or if the securities' value falters beneath the maintenance margin requisites.


The call money rate is integral to margin trading dynamics. Charged by banks to brokers for margin loans, it determines costs for leverage trades. While offering amplified gains, margin trading equally amplifies losses. The process involves short-term bank loans to brokers, extending to investors for margin accounts, with immediate repayment and no set schedule. The broker's role is pivotal, managing borrowing costs and facilitating leverage access. Yet, this strategy demands caution due to intensified losses from margin calls and volatile securities. Understanding the call money rate is crucial for informed margin trading decisions.

Call Money Rate
Margin Trading
Margin Call
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