How do I calculate the maintenance margin for a Kraken contract?

On Kraken, maintenance margin is the minimum equity needed to keep a futures position open, calculated as position size times the contract-specific rate—fall below it, and liquidation may occur.

Aug 10, 2025 at 01:56 am

Understanding Maintenance Margin on Kraken

When trading futures contracts on Kraken, understanding the maintenance margin is essential to avoid liquidation. The maintenance margin represents the minimum amount of equity that must be maintained in your margin account to keep a leveraged position open. If your account balance falls below this threshold due to adverse price movements, Kraken may initiate a liquidation process. This value is expressed as a percentage of the total position size and varies depending on the specific contract, leverage used, and market conditions.

Each futures contract on Kraken has a predefined maintenance margin rate, which can be found in the contract specifications on the Kraken Futures platform. For instance, a BTC/USD perpetual futures contract might require a maintenance margin rate of 0.5%. This means that for every $10,000 in notional value, you must maintain at least $50 in your account as margin to keep the position open.

Locating Contract-Specific Maintenance Margin Rates

To calculate the maintenance margin accurately, you must first identify the specific maintenance margin rate for the contract you're trading. This information is accessible through the Kraken Futures interface:

• Navigate to the Kraken Futures trading dashboard.
• Select the desired contract (e.g., BTC/USD, ETH/USD).
• Click on the contract details or info icon (usually an "i" in a circle).
• Review the "Maintenance Margin Rate" listed under contract specifications.

This rate is critical because it directly influences the liquidation price and the amount of collateral required. Some contracts may have tiered maintenance margin rates based on position size. For example, larger positions might require a higher maintenance margin percentage to mitigate systemic risk.

Formula for Calculating Maintenance Margin

The calculation of the maintenance margin follows a straightforward formula:

• Multiply the notional value of the position by the maintenance margin rate.

The notional value is determined by multiplying the entry price of the contract by the number of contracts or units held. For example, if you hold 2 BTC in a BTC/USD futures contract with an entry price of $30,000, the notional value is:

$30,000 × 2 = $60,000

If the maintenance margin rate is 0.5%, the required maintenance margin is:

$60,000 × 0.005 = $300

This means your account must maintain at least $300 in equity to prevent liquidation of this position.

Account Equity and Margin Balance Considerations

The maintenance margin requirement is not a one-time deposit but a dynamic threshold that depends on your account equity. Account equity includes your wallet balance, unrealized profits or losses, and any funding payments received or paid.

Kraken continuously monitors your margin ratio, which is calculated as:

• (Account Equity / Maintenance Margin Requirement)

If this ratio drops to 1.0 or below, the position is at risk of liquidation. For example, if your maintenance margin requirement is $300 and your account equity falls to $299, the margin ratio is below 1.0, triggering a liquidation alert.

It's important to note that funding rates, mark price fluctuations, and fee deductions can all impact your equity. The mark price, used to calculate unrealized PnL, is typically based on the spot index price and helps prevent manipulation. A sudden spike in volatility can cause the mark price to diverge from the last traded price, affecting your equity and potentially pushing you closer to the maintenance margin threshold.

Step-by-Step Example: Calculating Maintenance Margin on Kraken

Let’s walk through a complete example to illustrate how to calculate maintenance margin for a Kraken futures contract.

• Log in to your Kraken account and go to the Futures trading section.
• Choose the ETH/USD quarterly futures contract.
• Check the contract specifications and locate the maintenance margin rate, which is listed as 1.0%.
• Open a long position for 5 ETH at an entry price of $2,000 per ETH.
• Calculate the notional value: 5 × $2,000 = $10,000.
• Apply the maintenance margin rate: $10,000 × 0.01 = $100.
• Confirm that your account equity remains above $100 to avoid liquidation.
• Monitor the margin ratio in real time via the Kraken Futures dashboard.

If the price of ETH drops sharply and your unrealized loss reduces your equity to $95, your margin ratio becomes 0.95, which is below the required threshold. In this case, Kraken will likely liquidate the position to cover potential losses.

Managing Risk Around Maintenance Margin

To prevent liquidation, traders should actively manage their exposure relative to the maintenance margin. One effective method is to use stop-loss orders or take-profit orders to limit downside risk. Additionally, maintaining a buffer above the maintenance margin—for example, keeping equity at 1.5x the required amount—can provide protection against sudden volatility.

Kraken also provides margin level warnings via email or in-app notifications when your equity approaches the maintenance threshold. Enabling these alerts ensures timely intervention. Depositing additional funds into your futures wallet can also increase your equity and move you further from the liquidation point.

Another strategy is to reduce position size. Smaller positions require less maintenance margin, lowering the risk of breaching the threshold during price swings. Traders should also be aware that increasing leverage reduces the distance to liquidation, even if the maintenance margin rate remains unchanged.

---

Frequently Asked Questions

What happens if my equity falls below the maintenance margin on Kraken?

If your account equity drops below the maintenance margin requirement, Kraken will automatically begin the liquidation process. This involves closing your position at the current market price to prevent further losses. A liquidation fee may be charged, and any remaining funds after covering the loss will be returned to your account.

Can the maintenance margin rate change after I open a position?

Yes, Kraken reserves the right to adjust maintenance margin rates based on market volatility, liquidity conditions, or regulatory requirements. These changes are typically communicated through platform announcements and apply to both open and future positions.

Is the maintenance margin the same as the initial margin on Kraken?

No, the initial margin is the amount required to open a position, usually higher than the maintenance margin. The maintenance margin is the minimum amount needed to keep the position open. For example, initial margin might be 1%, while maintenance margin is 0.5%.

Where can I see my current maintenance margin and equity on Kraken?

In the Kraken Futures dashboard, your account equity, used margin, available margin, and liquidation price are displayed in real time. The maintenance margin is not shown directly but is factored into the margin ratio and liquidation price calculations visible on the interface.