What is the difference between initial and maintenance margin?

Initial margin is what you deposit to open a position. Maintenance margin is the minimum equity required to keep it open. If your equity drops below maintenance margin due to unrealized losses, the exchange liquidates your position to prevent further losses.

What happens when I fall below maintenance margin?

You receive a margin call or automatic liquidation. On crypto exchanges, liquidation is usually automatic — the exchange closes your position at market price. Some exchanges have insurance funds that cover negative balance, while others may pass the loss to the trader.

How do tiered margin requirements work?

Exchanges divide position sizes into tiers with increasing margin rates. For example, the first $50K might require 1% maintenance, while $50K-$200K requires 1.5%. This means very large positions need proportionally more margin, effectively capping leverage for big traders.

Can I add margin to an open position?

Yes. You can deposit additional margin (in isolated margin mode) to lower your effective leverage and push your liquidation price further away. This is a common strategy to survive temporary drawdowns without being liquidated.

What is a margin ratio?

Margin ratio = Maintenance Margin / Account Equity × 100%. When this reaches 100%, liquidation occurs. Most exchanges display this metric prominently. Keeping it below 50-60% provides a reasonable safety buffer for normal market conditions.

How much extra margin should I keep as a buffer?

A good rule of thumb is to maintain at least 2-3x the maintenance margin to handle normal volatility. For highly volatile assets or during major events, consider 5x or more. Running close to maintenance margin during a flash crash almost guarantees liquidation.

Crypto Margin Requirement Calculator

Calculate the initial and maintenance margin required for crypto futures positions. Know exactly how much collateral you need before opening a trade.

Notional Position Value

Leverage

Maintenance Margin Rate

Side

Entry Price

Stop Loss Distance

Exchange

Initial Margin Required

$5,000.00

10.00x leverage on $50,000.00 notional

Maintenance Margin

$250.00

0.5% of position; liquidation below this

Margin Buffer

$4,750.00

9.50% room before liquidation

Liquidation Price

$58,825.00

9.50% away from entry (long)

Round-Trip Fees (24h)

$45.00

Open $20.00 + Close $20.00 + Funding $5.00

Fees as % of Margin

0.90%

Daily fee drag on your deposited margin

Stop-Loss Exit Price

$61,750.00

5% below entry

Stop-Loss P&L

-$2,500.00

Margin remaining: $2,460.00

Margin Allocation

Initial Margin

$5,000.00

Maintenance Margin

$250.00

Buffer (Liquidation Room)

$4,750.00

24h Fees

$45.00

Leverage Comparison Table

Leverage	Initial Margin	Buffer	Liq. Distance
2x	$25,000.00	$24,750.00	49.50%
3x	$16,666.67	$16,416.67	32.83%
5x	$10,000.00	$9,750.00	19.50%
10x	$5,000.00	$4,750.00	9.50%
20x	$2,500.00	$2,250.00	4.50%
25x	$2,000.00	$1,750.00	3.50%
50x	$1,000.00	$750.00	1.50%
75x	$666.67	$416.67	0.83%
100x	$500.00	$250.00	0.50%
125x	$400.00	$150.00	0.30%

Planning notes, formulas, and examples

About the Crypto Margin Requirement Calculator

Before opening a leveraged position on any crypto exchange, you need to understand the margin requirements. Initial margin is the collateral you must deposit to open the position, while maintenance margin is the minimum collateral you must maintain to keep the position open. If your equity drops below the maintenance margin, you face liquidation.

This calculator computes both initial and maintenance margin for any position size and leverage level. It also shows the buffer between your initial deposit and the liquidation threshold, so you know exactly how much room your trade has before it's at risk.

Different exchanges have different margin requirements, and these can change based on position size tiers. Larger positions typically require higher margin rates. This calculator helps you plan your capital allocation and avoid surprises when opening or maintaining positions.

Use the result to map token-release or fee scenarios and revisit the model when market conditions, unlock terms, or portfolio assumptions change.

When This Page Helps

Running out of margin is one of the most common reasons traders get liquidated. This calculator ensures you know exactly how much capital is locked as collateral and how close you are to the maintenance threshold. Plan your margin allocation across multiple positions to avoid over-committing your available balance.

How to Use the Inputs

Enter the total notional value of your position (or entry price × size).
Enter your leverage level.
Enter the maintenance margin rate (typically 0.4-1% on major exchanges).
View the initial margin, maintenance margin, and available buffer.
Ensure your account has more than the initial margin to cover potential losses.

Formula used

Initial Margin = Notional Value / Leverage
Maintenance Margin = Notional Value × Maintenance Rate
Margin Buffer = Initial Margin − Maintenance Margin
Effective Leverage = Notional Value / Available Equity

Example Calculation

Result: Initial Margin: $5,000 | Maintenance: $250

A $50,000 notional position at 10x leverage requires $5,000 initial margin. With a 0.5% maintenance rate, the maintenance margin is $250. You have a $4,750 buffer before liquidation. The position can lose up to $4,750 (9.5% of notional) before liquidation is triggered.

Tips & Best Practices

Always keep more margin than the minimum to handle short-term price swings.
Maintenance margin rates increase for larger position sizes — check the exchange's tier schedule.
Add extra margin to your position as a safety buffer against sudden volatility.
Monitor your margin ratio in real-time during volatile market conditions.
Isolated margin mode limits risk to the margin allocated; cross margin uses your full balance.
Some exchanges charge additional fees for high-leverage positions that reduce your effective margin.

Exchange Margin Tier Systems

Major exchanges like Binance and Bybit use tiered margin systems where the maintenance rate increases with position size. A $10,000 BTC position might need 0.4% maintenance (just $40), but a $5 million position might need 5% ($250,000). Always check the specific tier schedule before opening large positions.

Margin Modes: Cross vs Isolated

In cross margin mode, all available balance serves as collateral for all positions. This maximizes capital efficiency but means a bad trade can eat into funds earmarked for other positions. Isolated margin dedicates specific collateral to each trade, limiting downside to that amount. Most risk-conscious traders use isolated margin.

Dynamic Margin Management

Smart traders actively manage margin throughout the life of a position. This includes adding margin when approaching liquidation levels, reducing position size to free up margin, and monitoring funding rates that can erode margin on perpetual contracts. Active margin management is the hallmark of professional futures trading.

Sources & Methodology

Last updated: February 10, 2026

Frequently Asked Questions

Initial margin is what you deposit to open a position. Maintenance margin is the minimum equity required to keep it open. If your equity drops below maintenance margin due to unrealized losses, the exchange liquidates your position to prevent further losses.