Margin Call

Risk Management

Source review:

According to Vigil's prop trading glossary, Margin Call is a notification or automatic action triggered when your account equity falls below the required margin level. In prop firm trading, margin calls are effectively replaced by drawdown limits -- the firm terminates the account rather than requesting additional funds. In prop trading, understanding margin call is critical because it directly affects your drawdown limits, position sizing, and whether you pass or fail an evaluation.

This term is part of the full prop firm glossary.

View in full glossary
How does margin call work?

Traditional margin calls in retail trading require the trader to deposit more money or have positions liquidated. In prop firm trading, there is no mechanism to deposit additional funds. Instead, the drawdown floor acts as the ultimate margin call -- breach it and the account is terminated.

Some prop firms have an intermediate warning system. They may auto-close positions or lock the account for the day when the daily loss limit is approaching. Others simply terminate the account the moment any limit is breached.

Understanding the relationship between margin requirements and drawdown limits is important. Even if the platform allows you to open a large position (because margin requirements are met), the position might violate your daily loss limit if it moves against you. Always calculate risk based on drawdown limits, not platform margin.

What does margin call look like in practice?

Apex $100K with $3,000 trailing drawdown. Platform margin for 1 ES contract: ~$15,840. You can technically hold 6 ES contracts (margin: $95,040). But 6 ES contracts with a 10-point adverse move = 6 * 10 * $50 = $3,000 -- your entire drawdown. The platform margin says you can trade 6 contracts. The drawdown math says you should trade 1-2.

Why does margin call matter for prop firm traders?

Margin Call under prop firm constraints is different from retail. A 10% drawdown on a personal account is recoverable. On a funded account, it ends the account. Size accordingly.

Practical example across firms: FTMO: 2-step, static drawdown, 5% daily loss, from €155. TopStep: 1-step, trailing drawdown, 2% daily loss, from $49.

Common mistake: The most common mistake with margin call: using retail position sizing on a funded account. Prop accounts have hard breach levels that personal accounts do not. Size so your worst-case losing streak stays inside the drawdown limit.

How do different firms handle margin call?

Understanding margin call is essential when choosing and trading with a prop firm. Compare how different firms handle this:

What terms are related to margin call?

Leverage

The ratio of trading exposure to actual capital required. In forex, leverage can be 1:100 or higher, meaning $1,000 controls $100,000 of currency. In futures, leverage is built into the contract specification through margin requirements.

Drawdown Floor

The minimum account balance or equity level before a prop firm terminates the account. If your balance or equity touches this level, the account is immediately closed and the evaluation or funded status is lost.

Daily Loss Limit

The maximum amount you can lose in a single trading day before your account is flagged or terminated. This resets each day and is separate from your overall maximum drawdown.

Equity-Based Drawdown

A drawdown calculation method that includes unrealized (open) trade profits and losses in the account value. Your equity fluctuates with every tick while positions are open, making this stricter than balance-based drawdown.

See margin call in action
Where can I learn more?

How to Pass FTMO $200,000

Step-by-step guide

How to Pass TopStep $150,000

Step-by-step guide

How to Pass Apex Trader Funding $300,000

Step-by-step guide

FTMO Trust Score

Independent trust audit

TopStep Trust Score

Independent trust audit

Not sure which firm matches your trading style?

Test your knowledge: Which prop firm matches your style?

VR

Vigil Research

Reviewed | Rules verified against official firm websites