How Isolated Margin Works
In isolated margin you allocate a fixed amount to a position, and that amount is all the position can ever lose. Open a $6,000 BTC long and assign $600 of margin; if the trade goes against you, liquidation consumes that $600 and stops. The rest of your futures wallet is untouched.
The liquidation price is calculated purely from that isolated margin, so it sits relatively close to entry, but the damage is sealed off. This is risk you can quantify before you click buy.
How Cross Margin Works
In cross margin, every position shares the full futures wallet balance as collateral. Unrealized profit on one trade can support a losing trade, and the liquidation price on any single position sits much further away because the whole balance is available to absorb losses.
That sounds safer, and for hedged or correlated positions it can be. The danger is that there's no firewall. A single trade going badly wrong can draw down funds backing all your other positions, and when liquidation finally hits, it can take a far larger chunk of your account than you intended to risk on that one idea.
Worked Example
You hold $2,000 in your futures wallet and open a 10x ETH long at $3,000, $4,000 notional.
In isolated mode you assign $400 of margin. Liquidation sits near $2,725, roughly a 9% drop. If ETH crashes to $2,700, you lose the $400 and the remaining $1,600 in your wallet is safe.
In cross mode the whole $2,000 backs the position. Liquidation is pushed far below $2,725, maybe near $1,650, giving the trade huge room. But if ETH ever does reach that level, the loss draws on the entire $2,000, not $400. You bought a wider buffer by putting five times more capital on the line.
Same trade, same leverage — the only difference is how much of your wallet you put at risk.
When to Use Which
Use isolated for directional, speculative trades, especially high-leverage altcoin perps, where you want a hard cap on what one idea can cost. It's also the right default while you're still learning, because the maximum loss is visible up front.
Use cross for hedged books, market-making, or correlated positions where you want shared collateral and accept whole-wallet exposure, and where you're actively monitoring. Many experienced traders run isolated by default and switch to cross only for specific, deliberate strategies.
The rule of thumb: if you can't say out loud how much a position could cost you, you probably want isolated.
| Isolated Margin | Cross Margin | |
|---|---|---|
| What's at risk | Only the margin assigned to that position | Your entire futures wallet balance |
| Liquidation price | Closer to entry — backed only by assigned margin | Further from entry — whole balance backs it |
| When liquidated | Just that position closes; rest of account untouched | Draws on full balance — can drain the whole account |
| Best for | Directional, speculative, high-leverage trades | Hedged books, market-making, correlated positions |
| Beginner friendly? | ✅ Yes — loss is visible up front | ⚠️ No — one bad trade can wipe everything |
Common Mistakes
- •Running everything in cross because the liquidation price looks comfortably far, then losing the whole wallet on one trade.
- •Switching to cross mid-trade to dodge an imminent isolated liquidation, which just spreads the loss across the account.
- •Using isolated but repeatedly adding margin to a loser, defeating the purpose of the cap.
- •Forgetting that funding payments in either mode drain margin and move the liquidation price over time.
Choose margin mode at entry
Isolated: fixed budget assigned
Cross: full wallet as collateral
Price moves against position
Isolated closes, wallet safe; Cross can drain all
How This Shows Up in Your Trading Journal
Margin mode is part of how risky a trade really was, and it's easy to forget after the fact. Tradermake.money records whether each imported position ran cross or isolated, alongside leverage and net PnL after funding.
When you review a drawdown, you can see whether a cross-margin position quietly endangered your other trades, or whether an isolated cap did its job. Seeing the mode logged next to the outcome is how the right default becomes a habit instead of a guess.