> For the complete documentation index, see [llms.txt](https://docs.asterdex.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.asterdex.com/trading/perpetuals/margin/calculating-maximum-transfers-in-cross-and-isolated-margin.md).

# Calculating Maximum Transfers in Cross and Isolated Margin

When using Cross or Isolated Margin modes, the amount you can transfer in or out depends on your wallet balance, margin requirements, and unrealized PnL.

### **Cross Margin**

In Cross Margin mode, your margin balance is shared across all open positions.

**If there is no unrealized PnL:**

Maximum transferable amount = Cross wallet balance − Σ(Isolated open order initial margin) − Σ(Cross position maintenance margin)

**If there is unrealized PnL:**

Maximum transferable amount = Cross wallet balance + Σ(Cross unrealized PnL) − Σ(Cross initial margin) − Σ(Isolated open order initial margin)

**Note:** These calculations assume no gift balance or cross collateral.

### **Isolated Margin**

In Isolated Margin mode, margin is dedicated to each individual position.

**Maximum transfer-in amount for Isolated Margin:**

Maximum transfer-in amount = min (Cross wallet balance − Σ(Isolated open position initial margin) − Σ(Cross position maintenance margin), Available balance)

**Maximum transfer-out amount for Isolated Margin:**

Maximum transfer-out amount = max (0, min (Isolated wallet balance − Isolated position maintenance margin,

Isolated wallet balance + Size × (Mark price − Entry price) − Mark price × Abs(Size) × Initial margin rate))

**Note:** Transferring margin out reduces the buffer protecting your position. Removing too much margin can increase your risk of liquidation.


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