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What is Margin Call?

A notification from your exchange that your account equity has fallen too low to support your open positions — requiring you to add funds or face liquidation.

A margin call is the exchange warning you that your margin balance has dropped below the required minimum. If you don't act quickly — by depositing more funds or reducing your position — the exchange will automatically liquidate your positions.

The sequence of events:

1. You open a leveraged position using margin

2. The market moves against you

3. Your equity falls toward the maintenance margin level

4. Exchange sends a margin call notification

5. If equity falls further, position is liquidated automatically

Margin call vs. liquidation:

EventTriggerAction Required
Margin callEquity near maintenance marginAdd funds or reduce position
LiquidationEquity at/below maintenance marginPosition auto-closed by exchange

How to avoid margin calls:

  • Use conservative leverage (5× or less)
  • Set a stop-loss well above your liquidation price
  • Don't use your full margin balance on a single trade
  • Keep reserve capital in your account
  • Cross vs. isolated margin:

  • Isolated margin: Only the margin allocated to one trade is at risk. A margin call on one position doesn't affect others.
  • Cross margin: All account equity backs all positions. One bad trade can drain margin from other open positions.
  • Most traders use isolated margin to contain risk per trade.

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