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How to Use the Margin Calculator

Last updated on October 19, 2024

Check Margin Requirements Before You Trade

Leverage lets you control large positions with a smaller deposit, but it also increases risk. The Margin Calculator reveals how much margin a trade will consume so you avoid margin calls and forced liquidations.

Key Terms

  • Required Margin: Capital broker locks to open a trade.
  • Free Margin: Funds available to open new trades.
  • Margin Level: (Equity / Used Margin) × 100. Brokers issue warnings when it drops below 100%.
  • Margin Call: Broker requests more funds or closes positions when margin level too low.

Calculator Inputs

  1. Account Currency
  2. Currency Pair
  3. Trade Size (lots or units)
  4. Leverage (e.g., 1:30, 1:100, 1:500)
  5. Current Price (auto-fills from live data)

Example Calculation

Account: €3,000
Leverage: 1:30 (ESMA-regulated broker)
Trade: 0.50 lots EUR/USD at 1.1000

Steps

  1. Account currency: EUR
  2. Pair: EUR/USD
  3. Trade size: 0.50 lots (50,000 units)
  4. Leverage: 1:30
  5. Price: 1.1000 (auto)

Result

  • Required Margin: €1,666.67
    • Formula: (50,000 × 1.1000) / 30 = €1,833.33 (converted to EUR)
  • Free Margin After Trade: €1,333.33 (assuming no other trades)
  • Margin Level: If equity remains €3,000 → (3,000 / 1,666.67) × 100 = 180%

Interpretation: Plenty of buffer. Margin call typically occurs near 100% (check broker policy).

Managing Margin Risk

  • Keep margin level above 200% for safety.
  • Avoid opening multiple large trades simultaneously.
  • Remember margin requirements rise for volatile news events.
  • Brokers may double margin on weekends/holidays.

Advanced Settings

  • Hedged Margin: Some brokers reduce margin when hedging same pair (long + short). Toggle if your broker supports this.
  • Tiered Leverage: Certain brokers reduce leverage for larger positions. Enter size to see adjusted margin.
  • Index/Commodity Contracts: Use contract size inputs for non-forex instruments (e.g., 1 lot Gold = 100 oz).

Margin Call Safeguards

  • Set platform alerts for margin level thresholds (150%, 120%, 105%).
  • Close losing trades before margin call triggers.
  • Hold reserve cash for top-ups during high-volatility periods.
  • Avoid using 100% of available margin—leave buffer for drawdowns.

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    How to Use the Margin Calculator | Help Center | FN Pulse