Forex glossary

Maintenance Margin in Forex

A clear definition of Maintenance Margin, with practical context for reading markets and making better trading decisions.

Level 2 · From Prices to PracticeLeverage & margin

Definition

Definition

Maintenance margin is the minimum amount of margin or account equity that must be maintained to keep a leveraged position open under a product's rules. Falling below the required level can lead to warnings, restrictions, or forced position reductions.

How It Works

Leverage and margin describe exposure and collateral, not free buying power. A relatively small amount of account equity can support a much larger notional position, which means ordinary market moves can have a large effect on the account.

Why It Matters

Understanding the term helps you recognize account-pressure warnings before placing a live trade. Broker thresholds differ, so learners should read the platform's own margin rules instead of assuming one universal percentage.

Key Takeaway

Maintenance margin is the minimum amount of margin or account equity that must be maintained to keep a leveraged position open under a product's rules.

Practical forex example

A leveraged position is open and losses reduce account equity. If the account falls below the broker's maintenance threshold, the account can enter a margin-deficient state even though sufficient initial margin existed when the trade was opened.

Why Maintenance Margin matters

Understanding Maintenance Margin helps traders interpret market information, plan decisions, and manage risk with more context.

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