Isolated vs Cross Margin: Which Should You Use?

Short answer

Most beginners and fixed-risk traders are better served by isolated margin. It limits a position's possible loss to the margin you assign to it. Cross margin shares your balance in one margin asset, such as USDT in the USDⓈ-M wallet, across every position that uses it. That usually pushes liquidation further away, but one bad position can drain the whole shared balance.

Last checked 2026-10-24

Key facts

Isolated	Loss capped at that position's margin
Cross	One shared balance per margin asset backs all positions using it
Liquidation distance	Usually further in cross
Worst case	Isolated: one position. Cross: the shared margin balance
Can switch?	Only when that symbol has no open position and no open orders

How does isolated margin work?

You assign a fixed amount of margin to one position. If price moves against you far enough, only that margin is lost. The rest of the wallet is untouched. You can add margin manually to move liquidation further away.

Binance's own support page puts it this way: "only the Isolated Margin balance gets liquidated" instead of the entire margin balance.

How does cross margin work?

Your margin balance in one asset backs every open position that uses that asset. For example, your USDT balance in the USDⓈ-M wallet supports all USDT-margined positions. Unrealized profit on one position can support another. Liquidation happens when that shared balance falls below maintenance, which can take all of it at once.

Binance's FAQ on margin modes in USDⓈ-M futures grid trading describes it like this: "Cross Margin Mode shares your margin balance across all open positions on the same type of assets."

Binance's cross liquidation formula uses three inputs for Contract 1: your cross wallet balance, the unrealized PNL of all other contracts (UPNL1), and their maintenance margin. In isolated mode UPNL1 is set to 0 and only the margin assigned to Contract 1 counts.

So in cross, a winning position elsewhere moves Contract 1's liquidation price further away, and a losing one pulls it closer. In isolated, other positions have no effect. Binance's guide on how to calculate the liquidation price of USDⓈ-M futures contracts, listed in the sources, gives the full formula.

What mistakes are common with cross margin?

Treating the far liquidation price as safety and skipping a stop, so one losing trade can keep sliding and eat into the balance every other position relies on.
Opening correlated positions that all lose together, so the shared balance falls on every leg at once and liquidation can take all of it.
Forgetting that withdrawals or transfers reduce the buffer for every position, which pulls every cross liquidation price closer at the same time.

Which mode should I use for my trading?

Start by writing down what a worst-case day looks like. If you size from a stop and want each trade's worst case to be clear, isolated is simpler to reason about. With one or two independent trades, it keeps each risk boxed in and the maths simple. The margin assigned is the most that position can lose.

Cross can make sense if you run several positions that hedge each other, for example a long in one coin and a short in a correlated coin. Profits on one leg can support the other. That can avoid an unnecessary liquidation of a single leg. It needs active monitoring, though.

Whatever you choose, keep a stop on every position. Check the liquidation price shown by the exchange after every change in balance, because transfers and withdrawals move it in cross mode.

To switch, the symbol must have no open position and no open orders. Close the position, cancel its orders, then follow Binance's 'How to switch between the cross margin and isolated margin modes' guide linked below.

FAQ

Is cross margin more dangerous?

It can be, because one position can consume the whole shared margin balance. Risk still depends on sizing and stops.

Can I change margin mode on an open position?

Not on Binance. Its support page says: "You're not allowed to change the margin mode if you have any open orders or positions." Close the position and cancel orders on that symbol first.

Does adding or removing margin change my liquidation price?

Yes. Binance notes that "adjusting your margin will impact the liquidation price of your positions." In cross mode, the liquidation price is computed from the cross wallet balance, so any change to that balance moves it too.

Does margin mode change fees or funding?

No. Trading fees and funding are the same in both modes.

Sources

Figures change. Check the primary sources below.