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USDT Perpetual Contract Margin Adjustment

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Written by BitYi Official
Updated over 3 months ago

In Isolated Margin Mode, traders can adjust position margin using the following methods:


1. Auto Add Margin

The Auto Add Margin feature allows traders to automatically increase margin to prevent liquidation.

How Auto Add Margin Works:

  • When margin approaches the maintenance margin level, Bityi uses available balance to add margin.

  • Added margin amount = Initial margin of the current position.

  • If available balance is insufficient, Bityi uses all remaining balance to add margin.

  • After margin is added, the liquidation price moves further from the mark price, reducing liquidation risk.

  • With Auto Add Margin enabled, the minimum leverage is 1x.

  • If a position is already at 1x leverage, no additional margin will be added, even if funds are available.


2. Manual Margin Adjustment

Traders can manually increase or decrease position margin in Isolated Margin Mode.

  • Increasing margin:

    • Does not affect opening leverage or order book leverage.

    • Liquidation price recalculates based on the new margin.

  • Decreasing margin:

    • Margin must not fall below:

Initial Margin+Estimated Closing Margin\text{Initial Margin} + \text{Estimated Closing Margin}Initial Margin+Estimated Closing Margin

Note:

  • Auto Add Margin and Manual Margin Adjustments do not affect leverage.


3. Adjusting Position Leverage

Leverage Calculation for Isolated Margin Mode

Required Margin for Opening=Contract Multiplier×Contract Quantity×Entry PriceLeverage\text{Required Margin for Opening} = \frac{\text{Contract Multiplier} \times \text{Contract Quantity} \times \text{Entry Price}}{\text{Leverage}}Required Margin for Opening=LeverageContract Multiplier×Contract Quantity×Entry Price​

Leverage Adjustment Rules

Increasing Leverage

  • Maximum adjustable leverage ≤ system maximum leverage.

  • If a position is in a loss, leverage cannot be increased, to avoid liquidation due to overleveraging a losing position.

Decreasing Leverage

  • Minimum leverage calculation formula:

Minimum Leverage(x)=Position Size×Contract MultiplierEntry Price×(Used Margin+Available Margin)\text{Minimum Leverage} (x) = \frac{\text{Position Size} \times \text{Contract Multiplier}}{\text{Entry Price} \times (\text{Used Margin} + \text{Available Margin})}Minimum Leverage(x)=Entry Price×(Used Margin+Available Margin)Position Size×Contract Multiplier​


4. Bityi Perpetual Contract Leverage Adjustment Rules

Bityi allows traders to adjust position leverage based on the following conditions:

  • When increasing leverage, the system verifies whether the new leverage is below the contract’s max leverage. If so, the change is successful.

  • When decreasing leverage, position margin increases.

  • If sufficient available balance exists, the system automatically adds margin, completing the leverage adjustment.


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