Crypto margin

For educational purposes only; not investment advice. Margin trading can rapidly cause substantial losses, including the loss of all posted collateral and, under some product rules, more.

Direct answer

Crypto margin is the collateral and account equity that supports borrowed spot positions or leveraged derivatives positions. It is not a fee or the position’s full value. Margin lets a trader control exposure larger than the capital posted, so gains and losses are magnified relative to that capital.

Initial margin is the amount required to open or increase exposure. Maintenance margin is the minimum equity required to keep it open. If the relevant equity falls below the maintenance requirement, the venue may cancel orders and partially or fully liquidate positions. A request to add funds may occur, but crypto venues can liquidate automatically before a trader can respond.

Every formula and safeguard is venue-specific. Before trading, identify the collateral pool, price source, margin schedule, collateral haircuts, fees, and whether the product can create a deficit beyond posted collateral.

How it works

For a simple linear position, useful starting relationships are:

• initial margin requirement = position notional × initial margin rate
• maintenance margin requirement = position notional × maintenance margin rate
• effective leverage = current position notional ÷ margin equity

These are concepts, not a universal liquidation calculator. Margin equity may include deposited collateral and unrealized profit or loss, then subtract fees, funding, interest, or other adjustments. A venue may value non-cash collateral with a haircut. Many derivatives venues use a mark price rather than the last trade to calculate unrealized profit and loss and test liquidation thresholds.

Position size can change the required rates. Risk tiers commonly impose higher initial or maintenance margin on larger notional exposure. Adding to a position can therefore increase both its profit-and-loss sensitivity and its margin rate. Open orders may also reserve margin that is unavailable elsewhere.

Margin mode defines which equity supports the position:

• Isolated margin allocates a specified amount to one position. Ordinary losses in that position do not directly consume the rest of the wallet, but added margin is also at risk, and product terms may include account-wide liquidation or other exceptions.
• Cross margin pools eligible collateral across positions. Profits and spare equity can support a losing position, but one loss can consume collateral that supports other positions and place the broader portfolio at risk.

Spot margin and derivatives margin are not identical. Spot margin normally involves borrowing an asset or quote currency and accruing interest. Futures and perpetuals use collateral to support a contract; perpetuals may also exchange funding payments. Borrowing, funding, trading, and liquidation costs all reduce the available buffer.

Worked example

Assume a trader posts 5,000 USDT as isolated margin and opens a linear BTC perpetual long with 25,000 USDT of entry notional. The starting effective leverage is 25,000 ÷ 5,000 = 5x.

If BTC falls 8%, the unrealized loss before costs is about 2,000 USDT. Ignoring fees and funding, equity falls to about 3,000 USDT, current position notional is about 23,000 USDT, and effective leverage rises to about 23,000 ÷ 3,000 = 7.7x. Loss has increased leverage even though the trader did not change the leverage setting.

If the applicable maintenance margin rate were 1%, the simplified maintenance requirement at that point would be about 230 USDT. This does not mean liquidation is guaranteed only after equity reaches 230 USDT. The venue may use a mark price, fee reserve, tier adjustment, partial liquidation process, or a different equity definition. In cross margin, the calculation would also depend on shared collateral and other positions.

Risks

• Amplified loss: a modest price move can consume a large share of margin; losses may exceed the initial amount under some product rules.
• Liquidation and execution: forced reduction can occur during fast or thin markets and may include slippage and liquidation fees.
• Cross-margin contagion: one position can drain equity supporting unrelated positions, especially when correlations change during stress.
• Collateral risk: volatile collateral can lose value at the same time as the position; haircuts or eligibility rules may also change its recognized value.
• Cost drag: interest, funding, trading fees, and order reserves can move the account toward its threshold without a matching spot-price move.
• Venue and model risk: outages, index or mark-price errors, rule changes, custody failure, or insolvency can defeat the displayed risk controls.

Check the binding product rules rather than treating an interface’s leverage or liquidation-price display as a guarantee. Leaving extra collateral can reduce immediate liquidation risk, but it also puts more capital within the loss-bearing pool.

Common misconceptions

Myth 1: Initial margin is the maximum possible loss

Initial margin is an opening requirement, not a universal loss cap. Additional deposits, cross collateral, gaps, fees, borrowing terms, or deficit rules can expose more capital.

Myth 2: A 1% maintenance rate means liquidation after a 1% price move

The rate applies to a margin requirement, not directly to the asset’s price change. Entry price, leverage, equity, direction, mark price, fees, and risk tiers all affect the threshold.

Myth 3: Isolated margin makes a position risk-free to the rest of the account

It narrows the normal collateral pool; it does not remove market, execution, venue, or account-wide rule risk. Read how the venue handles funding, collateral depreciation, deficits, and account-wide liquidation.

Related topics

• Crypto leverage
• Liquidation
• Insurance fund
• Perpetual futures
• Funding rate

Sources

• Customer Advisory: Understand the Risks of Virtual Currency Trading - CFTC (accessed: 2026-08-21)
• Margin types (International Derivatives) - Coinbase (accessed: 2026-08-21)
• International Derivatives terms and definitions - Coinbase (accessed: 2026-08-21)
• Managing margin & liquidations in Multi-M trading - Kraken (accessed: 2026-08-21)