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What Is Margin in Crypto Trading? Collateral Explained

Margin is the collateral you deposit to open and maintain a leveraged trading position. In perpetual futures trading, margin acts as a security deposit that backs your trade. On Perpmate, USDC is used as margin for all perpetual trades.

How Margin Works​

When you trade with leverage, you're essentially borrowing funds to control a larger position than your actual capital. Your margin serves as:

  1. Collateral: Backing for the borrowed funds
  2. Loss buffer: Absorbs losses as the market moves against you
  3. Liquidation protection: Determines how far the price can move before you're liquidated

Margin Calculation Example​

To open a $10,000 position:

LeverageRequired MarginPosition Size
2x$5,000$10,000
5x$2,000$10,000
10x$1,000$10,000
20x$500$10,000

The formula: Required Margin = Position Size / Leverage

Types of Margin​

Initial Margin​

The minimum amount needed to open a position. This is calculated as:

  • Initial Margin = Position Size / Leverage

Maintenance Margin​

The minimum margin required to keep your position open. If your margin falls below this level due to losses, you face liquidation.

Cross Margin vs Isolated Margin​

Understanding margin modes is crucial for risk management:

Cross Margin​

  • How it works: Your entire account balance serves as margin for all positions
  • Pros: More capital efficient, positions share margin, harder to liquidate single positions
  • Cons: A bad trade can affect your entire account balance
  • Best for: Experienced traders managing multiple positions

Learn more: Cross Margining in Crypto

Isolated Margin​

  • How it works: Each position has its own dedicated margin
  • Pros: Limits risk to specific positions, easier to manage risk per trade
  • Cons: Less capital efficient, easier to liquidate individual positions
  • Best for: Beginners or when taking higher-risk trades

Margin and Leverage Relationship​

Higher leverage means:

  • Less margin required to open the same position size
  • Closer liquidation price to your entry
  • Higher risk of losing your margin
LeverageMargin %Price Move to Liquidation
5x20%~20%
10x10%~10%
20x5%~5%
40x2.5%~2.5%

Managing Your Margin​

Adding Margin​

You can deposit additional USDC to:

  • Open new positions
  • Reduce liquidation risk on existing positions
  • Absorb funding rate payments

Margin Calls​

When your margin drops too low relative to your position, you'll receive warnings. Add margin or reduce position size to avoid liquidation.

Best Practices​

  1. Never use all your margin: Keep reserves for volatility and funding payments
  2. Start with lower leverage: 2-5x is safer for beginners
  3. Set stop-losses: Exit trades before margin is depleted
  4. Monitor positions: Check margin levels during volatile periods
  5. Understand margin mode: Know whether you're using cross or isolated margin