Understanding Isolated Margin Trading Positions
1. What Is an Isolated Margin Trading Position?
An isolated margin trading position displays the comprehensive status of a trade after execution in a specific isolated trading pair. Understanding your margin position helps traders better assess account profitability and make informed investment decisions.
2. Position vs. Assets
- Position: Reflects trade-generated data (entry price, size, P&L)
- Assets: Shows currency-specific balances and liabilities
Example:
When holding 1 BTC, borrowing 2 BTC to short-sell 3 BTC for 90,000 USDT:
- Position: 3 BTC short
- Assets: 90,000 USDT balance + 2 BTC debt
3. Calculating Your Position
Isolated margin positions accumulate buys (long) and sells (short):
- Net long: Total buys > sells
- Net short: Total sells > buys
- Neutral: Equal buy/sell volume
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Transaction Sequence:
- Buy 10 BTC → 10 BTC long
- Sell 3 BTC → 7 BTC long
- Sell 10 BTC → 3 BTC short
- Buy 3 BTC → Neutral
Key Notes:
- Transfers/repayments don't affect existing positions
- Liquidations and trades directly modify positions
Isolated Margin Yield Rate Calculation
1. Calculating Position Cost Basis
Long Position: Cost Basis = (Prior Position Size × Prior Cost + New Buy Qty × Price) / Total Position Size
Short Position: Cost Basis = (Prior Position Size × Prior Cost + New Sell Qty × Price) / Total Position Size
Direction Changes:
Cost basis resets when opposing trades reverse position direction.
2. Yield Rate Formulas
Unleveraged Yield:
- Long:
(Current Price - Cost Basis) / Cost Basis - Short:
(Cost Basis - Current Price) / Cost Basis
Leveraged Yield:
Multiply unleveraged yield by maximum allowed leverage for the pair.
Floating P&L in Margin Accounts
1. What Is Floating P&L?
Unrealized profit/loss based on current index price vs. cost basis.
2. Calculation Methods
Long: Position Size × (Current Price - Cost Basis)
Short: Position Size × (Cost Basis - Current Price)
Example:
- 3 BTC long @ 2,000 USDT, current 3,000 USDT
→ +3,000 USDT P&L - 3 BTC short @ same prices
→ -3,000 USDT P&L
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Key Terminology
| Term | Definition |
|---|---|
| Position | Held assets including size/direction (long/short) |
| Position Assets | Assets obtained through trading to establish position |
| Liquidation | Closing positions using position assets via market orders |
| Cost Basis | Average entry price of held position |
| Position P&L | Floating profit/loss of active positions |
| Position Yield | Percentage calculated from index price vs. cost basis |
FAQ
Q: Why does my position show negative yield despite price moving favorably?
A: This typically indicates high borrowing costs exceeding unrealized gains. Review your interest accruals.
Q: How often is floating P&L updated?
A: Continuously based on real-time index price fluctuations.
Q: Can I manually adjust my cost basis?
A: No - it's automatically calculated based on your trade history in the position.
Q: What happens to my yield when I add to a position?
A: Your cost basis recalculates as a weighted average of all entries in that direction.
Q: Why does leverage multiply my yield percentage?
A: Leverage amplifies both potential gains and losses relative to your collateral.
Q: Is isolated margin safer than cross margin?
A: Yes - losses are confined to the isolated position's collateral, protecting other assets.