Margin Calculator

Margin Calculator | The Payout Report Academy
Free Professional Tool

Margin Calculator

Calculate required margin, free margin, margin level and margin call risk for any instrument, lot size and leverage — before you open a trade.

Trade Parameters

Enter your account details, instrument and lot size

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Ready to Calculate

Enter your account balance, instrument, current price, lot size and leverage — then press Calculate to see your full margin analysis.

Understanding Margin

How Margin Works

Margin is not a fee — it’s a security deposit held by your broker while a trade is open. Understanding margin, margin level and free margin is essential for avoiding margin calls and managing multiple open positions safely.

1

Required Margin

The deposit your broker locks up as collateral when you open a trade. Formula: Position Value ÷ Leverage. At 1:100 leverage, a $100,000 position requires $1,000 margin. This money is released when the trade closes.

2

Free Margin

The money in your account NOT tied up as margin — available to open more trades or absorb losses. Free Margin = Equity − Used Margin. If this reaches zero, you cannot open new positions.

3

Margin Level

The health indicator of your account. Margin Level = (Equity ÷ Used Margin) × 100%. Above 200% is healthy. Below 100% triggers a margin call. Below 50% on most brokers triggers stop-out.

4

Margin Call & Stop-Out

A margin call is a broker warning that your margin level is too low — deposit more funds or close positions. Stop-out is automatic forced closure of your trades by the broker when margin level falls below 50% (varies by broker).

📐 Core Margin Formulas

Position Value = Lots × Contract × Price Required Margin = Position Value ÷ Leverage Equity = Balance + Open P&L Free Margin = Equity − Used Margin Margin Level = (Equity ÷ Used Margin) × 100%

All five values are interconnected. As your open P&L changes, so does your equity, free margin and margin level — in real time, with every tick of the market.

📐 Worked Example — EUR/USD

Account: $10,000 Instrument: EUR/USD at 1.08500 Lot Size: 1.00 standard lot Leverage: 1:100 Position Value = 100,000 × 1.08500 = $108,500 Required Margin = 108,500 ÷ 100 = $1,085 Free Margin = 10,000 − 1,085 = $8,915 Margin Level = (10,000 ÷ 1,085) × 100 = 921.7%

At 1:100 leverage with a $10,000 account, opening 1 lot on EUR/USD uses $1,085 as margin — leaving $8,915 of free margin and a comfortable 921% margin level.

📐 Margin Call Calculation

Margin Call Level = 100% (most brokers) Stop-Out Level = 50% (most brokers) Margin Call at Equity = Used Margin × 1.0 → Equity drops to $1,085 → Margin Call Stop-Out at Equity = Used Margin × 0.5 → Equity drops to $542 → Stop-Out Max Loss before Call = Balance − Margin Call Equity = $10,000 − $1,085 = $8,915

The further your margin level is above 100%, the more your trades can move against you before a margin call. A margin level of 921% means you could lose $8,915 before hitting a margin call.

📐 Multiple Positions

2 trades open: Trade 1: EUR/USD 0.5 lot → $542 margin Trade 2: GBP/USD 0.5 lot → $580 margin Total Used Margin = $1,122 Free Margin = 10,000 − 1,122 = $8,878 Margin Level = (10,000 ÷ 1,122) × 100 = 891%

Each additional open position adds to your used margin and reduces your free margin and margin level. Always check these before opening additional trades, especially on lower-leverage accounts.

📚 Margin Glossary

Every margin term explained simply

Required Margin
The deposit locked by your broker as collateral for an open trade. Calculated as Position Value ÷ Leverage. Returned to free margin when the trade closes.
Used Margin
The total margin currently locked across all open positions. As you open more trades, used margin increases and free margin decreases by the same amount.
Free Margin
Equity minus used margin. The capital available to open new trades or absorb floating losses. When free margin reaches zero, no new positions can be opened.
Margin Level
Equity divided by used margin, expressed as a percentage. The key health metric of your account. Above 200% = safe. 100–200% = warning zone. Below 100% = margin call risk.
Margin Call
A broker notification that your margin level has dropped below 100%. You must deposit more funds or close positions. If ignored, the broker will auto-close positions at the stop-out level.
Stop-Out
Automatic forced closure of positions by the broker when margin level falls below the stop-out threshold (typically 20–50%). The broker closes the largest losing position first.
Equity
Your real-time account value including unrealised P&L from open positions. Equity = Balance + Open P&L. As prices move, equity fluctuates constantly while balance stays fixed until a trade closes.
Balance
Fixed value of your account — only changes when a trade is closed. Deposits, withdrawals and realised profits/losses update balance. Open floating trades do not affect balance.
Margin %
The percentage of position value required as margin. Calculated as 1 ÷ Leverage × 100%. At 1:100 leverage, margin % = 1%. At 1:50 = 2%. At 1:10 = 10%.
Leverage Risk Framework

Understanding Leverage & Margin Risk

Leverage amplifies both profits and losses equally. Higher leverage means lower margin requirements — but also means smaller adverse price moves can wipe your account. Use this guide to choose leverage wisely.

Conservative Leverage

1:10 – 1:30

Low risk. Requires more capital per position but protects against volatility and margin calls.

  • Recommended for beginners
  • Standard for UK/EU regulated brokers (max 1:30)
  • Protects account during volatile sessions
  • Best for swing trading and position trading
  • Margin level stays high with normal position sizes

Moderate Leverage

1:50 – 1:100

The professional sweet spot. Efficient use of capital without excessive risk if position sizing is disciplined.

  • Most common in offshore prop firm accounts
  • FTMO, FundedNext, 5%ers use 1:100
  • Efficient margin use with sound risk management
  • Works well with 1–2% risk per trade
  • Monitor margin level on multiple open trades

High Leverage

1:200 – 1:500

Very high risk. Tiny price moves can cause margin calls. Requires exceptional discipline and tight position sizing.

  • Not recommended for most retail traders
  • A 0.5% adverse move at 1:500 = 250% drawdown
  • Margin calls happen extremely quickly
  • Only suitable with micro lot sizing
  • Avoid during major news events entirely

📊 Margin % by Leverage — Quick Reference

Position value percentage required as margin deposit

Leverage Margin % Margin on $10K pos. Margin on $50K pos. Margin on $100K pos. Risk Level

⚠️ Prop Firm Margin Rules

FTMO & FundedNext: Typically 1:100 leverage. Use position sizing — not leverage — to control risk. High leverage means very low margin per trade, so the risk is in position size, not margin calls.
The 5%ers: Lower leverage (1:10–1:30 on some programmes). Larger margin per trade is required — this is intentional to force conservative position sizing and protect the drawdown rules.
Key insight: On prop firms, the real constraint is the drawdown limit — not the margin call. Your stop loss and position size are your true protection, not the margin level. Use the Position Size Calculator first.