When you start futures trading, the "Cross" and "Isolated" margin options can be confusing. What's the difference? Which should you choose? What happens if you pick the wrong one? Let's clear all of this up. Make sure you have a trading account — register at the Binance Official website, use the Binance Official APP for mobile trading, and iPhone users can check the iOS Installation Guide.

The One-Sentence Summary

Cross Margin: Your entire futures wallet balance backs all positions — harder to get liquidated, but liquidation wipes out everything.

Isolated Margin: Each position only uses the margin you assign to it — easier to get liquidated, but liquidation only costs you that one position's margin.

Think of it this way: Cross Margin is putting all your eggs in one big basket that's hard to tip over, but if it does tip, everything breaks. Isolated Margin is spreading your eggs across many small baskets — individual baskets tip more easily, but you only lose a few eggs at a time.

How Cross Margin Works

In Cross Margin mode, all available balance in your futures wallet automatically becomes a shared margin pool for all cross-margin positions.

Example: You have 2,000 USDT in your futures wallet. You open a BTC long with 200 USDT margin (10x leverage, 2,000 USDT position) and an ETH long with 200 USDT margin (10x leverage, 2,000 USDT position).

Under Cross Margin, both positions share the full 2,000 USDT. If the BTC position starts losing money, the system won't liquidate it at 200 USDT loss — it continues drawing from the wallet balance to sustain the position. In extreme cases, the BTC position's losses could consume the entire 2,000 USDT, dragging the ETH position down with it.

On the flip side, if the ETH position is profitable, its unrealized gains are added to available balance, providing extra margin support for the BTC position. This is the "mutual support" effect of Cross Margin.

Liquidation Price in Cross Margin

The liquidation price is dynamic under Cross Margin. It depends on total wallet balance, combined P&L of all positions, and maintenance margin requirements. When total equity drops below the sum of all positions' maintenance margins, liquidation is triggered.

How Isolated Margin Works

In Isolated Margin mode, each position's margin is completely independent. Whatever margin you allocate when opening a position is all that position can use.

Same example: with 2,000 USDT, you open both BTC and ETH longs with 200 USDT each. Under Isolated Margin, if BTC losses exceed its 200 USDT margin, that position gets liquidated — but you only lose 200 USDT. The remaining 1,600 USDT and your ETH position are completely unaffected.

Manually Adding Margin in Isolated Mode

Although margin is independent in Isolated mode, Binance lets you manually add margin to any position. If you see a position approaching liquidation but still believe in the direction, you can add margin to push the liquidation price further away.

Go to your positions tab, tap "Adjust Margin" on the relevant position, and enter the additional amount.

Key Differences at a Glance

Risk Scope

Cross: Maximum loss equals entire wallet balance. Isolated: Maximum loss equals individual position margin.

Liquidation Threshold

Cross: Harder to liquidate due to more margin backing. Isolated: Easier to liquidate with limited margin.

Position Interdependence

Cross: Positions affect each other — one position's loss can cascade. Isolated: Positions are fully independent.

Capital Efficiency

Cross: Higher efficiency since idle funds auto-serve as margin. Isolated: Lower efficiency since margin is locked per position.

Risk Precision

Cross: Hard to calculate exact risk per trade. Isolated: Risk per trade is crystal clear.

When to Use Which

Best Scenarios for Cross Margin

First, medium to long-term trend trading. Longer holds need more room for volatility, and Cross Margin provides a thicker buffer against short-term price swings.

Second, hedging strategies. For example, going long BTC while shorting ETH — the two positions offset each other, and Cross Margin lets the winning position support the losing one.

Third, experienced traders with high confidence in their system and strict stop-loss discipline. Cross Margin requires reliable risk management — otherwise one mistake can wipe you out.

Best Scenarios for Isolated Margin

First, beginners. While still learning and making mistakes, Isolated mode caps the cost of each error.

Second, short-term trading. High-frequency trades with uncertain directions benefit from clearly bounded risk per trade.

Third, holding multiple unrelated positions. If you don't want one position's losses dragging down others, Isolated is the way to go.

Fourth, anyone still developing position management skills. Isolated mode forces you to think about risk control at the moment of entry, building good habits.

Can You Switch Modes Mid-Trade?

On Binance, you can freely choose Cross or Isolated before opening a position. Whether you can switch with existing positions depends on the situation. Generally, trading pairs with no open positions can be switched anytime; pairs with existing positions cannot be switched directly — you'd need to close the position first, then change the setting.

Plan your mode choice before entering a trade to avoid complications.

A Practical Compromise

If you want Cross Margin's volatility resistance but Isolated Margin's risk isolation, here's a middle-ground approach: use Isolated mode but keep only limited funds in your futures wallet.

Specifically, keep most of your funds in your Spot or Funding wallet. Only transfer the total amount you're willing to risk into Futures. Then operate in Isolated mode, assigning reasonable margin to each position. If a position nears liquidation, you can manually transfer additional funds to add margin. This controls overall risk while maintaining operational flexibility.

Q: Should beginners choose Cross or Isolated?

A: Isolated is strongly recommended for beginners. Each trade's maximum loss is known in advance, and a single mistake won't cascade into losing your entire balance. Once you've gained enough experience and built a solid risk management system, you can start selectively using Cross Margin based on the situation.

Q: In Cross Margin mode, if one position gets liquidated, do the others go too?

A: Possibly. Under Cross Margin, all positions share margin. If one position's heavy losses push total equity below the combined maintenance margin requirement, other positions may be liquidated as well. This is Cross Margin's biggest risk.