What is Maintenance Margin?
Maintenance Margin is a crucial term in trading, especially in futures. It refers to the minimum Margin Equity (i.e., Margin + unrealized PnL) that a user must maintain to keep their leveraged position. The Maintenance Margin is calculated based on the position notional value at different margin tiers.
The Maintenance Margin is calculated based on the notional value level of the position. This means that regardless of the chosen leverage level, the calculation method for the Maintenance Margin for the same notional value level remains the same. Increasing the notional value level of a position does not change the leverage level of the previous level. The larger the position value, the higher the Maintenance Margin Rate.
It should be noted that the Maintenance Margin directly affects the liquidation price. To avoid liquidation, it is strongly recommended that you close your position before the Margin Equity reaches the Maintenance Margin.
How to Calculate Maintenance Margin
Maintenance Margin = Position Notional Value * Maintenance Margin Rate – Margin Amount
Using BTCUSDT perpetual as an example:
| Risk Level | Position Notional Value | Max Leverage | Maintenance Margin Rate | Quick Maintenance Margin Estimate |
| 1 | 0-1,000,000 | 100x | 0.50% | 0 |
| 2 | 1,000,000-12,000,000 | 50x | 1.00% | 5000 |
| 3 | 12,000,000-100,000,000 | 20x | 2.50% | 185000 |
| 4 | 100,000,000-200,000,000 | 10x | 5.00% | 2685000 |
| 5 | 200,000,000-500,000,000 | 5x | 10.00% | 12685000 |
| 6 | 500,000,000-600,000,000 | 2x | 25.00% | 87685000 |
| 7 | 600,000,000-800,000,000 | 1x | 50.00% | 237685000 |
For example, if you use 20x leverage to buy 10 BTCUSDT contracts at 20,000 USDT each, the position notional value would be 20,000 × 10 = 200,000 USDT. If your position falls into the 2nd risk level, the required initial margin would be 200,000 / 20 = 10,000 USDT, and the Maintenance Margin would be 200,000 × 1.00% + 5,000 = 7,000 USDT.
The Maintenance Margin can also be calculated by splitting the notional value, where 150,000 falls into risk level 1 and the remaining 200,000 - 150,000 = 50,000 is in risk level 2. The Maintenance Margin in this case would be 150,000 × 0.50% + 50,000 × 1.00% + 5,000 = 750 + 500 + 5,000 = 6,250 USDT. The two results differ slightly due to approximation, but the tiered calculation method more accurately reflects the actual risk structure.
The data in the document may not be the latest. For the latest data, please refer to the app or website:
App: [Markets] - [Futures] - [BTCUSDT] - [Information] - [Leverage & Margin].
Website: https://www.pionex.com/en/futures/BTC.PERP_USDT/Manual - [i] - [Leverage & Margin]
Please get in touch with Pionex Support if you have any other questions.
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