When trading in financial markets, it is common for traders to use margin to leverage their positions. However, it’s important to understand the concept of maintenance margin and how it differs from a margin account.

Definition of Maintenance Margin

Maintenance margin is the minimum amount of equity required to keep a leveraged position open. It is a percentage of the total value of the position and is set by the broker or exchange. The purpose of the maintenance margin is to ensure that the trader has sufficient funds in their account to cover potential losses.

For example, suppose a trader opens a position using margin and the broker requires a 25% maintenance margin. If the value of the position falls to a point where the equity in the trader’s account is less than 25% of the total position value, the broker will issue a margin call. The trader will then be required to deposit additional funds into their account to meet the maintenance margin requirement or risk having their position automatically closed out by the broker.

Maintenance Margin vs. Margin Account

It’s important to distinguish between maintenance margin and a margin account. A margin account is a type of brokerage account that allows traders to borrow money from their broker to trade with. This allows traders to leverage their positions and potentially increase their returns.

When a trader opens a margin account, they are typically required to maintain a minimum account balance or margin level. This is the amount of equity in the account as a percentage of the total value of the positions being held. The margin level is usually set by the broker and can vary depending on the type of assets being traded and the level of risk involved.

Margin accounts differ from maintenance margin in that they do not have a specific maintenance margin requirement. Instead, the margin level serves as an ongoing check on the trader’s account balance and helps to ensure that they have sufficient funds to cover potential losses.

Benefits and Risks of Maintenance Margin

The use of maintenance margin has several benefits and risks for traders. Some benefits include:

  1. Increased Leverage: Maintenance margin allows traders to leverage their positions, potentially increasing their returns.
  2. Risk Management: Maintenance margin helps traders manage their risk by ensuring that they have sufficient funds to cover potential losses.
  3. Discourages Overleveraging: Maintenance margin requirements can discourage traders from overleveraging their positions and taking on too much risk.

However, maintenance margin also comes with risks, including:

  1. Margin Calls: If the value of a leveraged position falls below the maintenance margin requirement, the trader may be required to deposit additional funds or risk having their position automatically closed out.
  2. Losses: Leveraged positions carry a higher degree of risk, and traders may experience significant losses if the market turns against them.
  3. Interest Charges: Traders who use margin may be subject to interest charges on the borrowed funds, which can reduce their overall returns.


Maintenance margin is a crucial concept for traders who use margin to leverage their positions. It serves as a risk management tool by ensuring that traders have sufficient funds in their accounts to cover potential losses. While maintenance margin can increase leverage and potentially increase returns, it also comes with risks such as margin calls and potential losses. As with any trading strategy, it’s important for traders to understand the risks and benefits of maintenance margin and to use it wisely.

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