If you apply a 2% stop-loss per trade directly to both isolated and cross margin, the results are completely different. The core difference is not the percentage itself, but where the liquidation price sits — with the same 2% stop-loss distance, under isolated margin the liquidation line may be far below your stop-loss line, while under cross margin it may sit right next to your stop-loss line.
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Key Takeaway: Isolated and Cross Margin Calculate Liquidation Differently
In isolated margin mode, liquidation only affects the margin allocated to that single position. It does not touch other funds in your account. In cross margin mode, all funds in your account are used to absorb the loss of one position.
How does this affect stop-loss distance?
In isolated margin mode, your margin is fixed (for example, you used 100 U to open a position). The liquidation price is determined by this fixed margin and the position size. If you open with 10x leverage, the liquidation line may still be far from the stop-loss line, leaving you plenty of room.
In cross margin mode, the liquidation price is calculated using your entire account balance. The more funds in your account, the farther the liquidation line. But the problem is — the stop-loss is an exit point you set voluntarily, while liquidation is a forced system closure. In cross margin mode, if the liquidation line is closer to the current price than your stop-loss line, then when the market moves against you, you will be liquidated first, and your stop-loss never gets a chance to trigger.
Step 1: First Confirm Where Your Liquidation Price Is
[What to do]: After opening a position, check the liquidation price calculated by the system and compare it with the stop-loss price you set. [How to do it]:
Open your positions page and find the "Liquidation Price" for your current position.
Write down this number.
Find the stop-loss trigger price you set, and compare which one is closer to the current price.
Case A: The stop-loss price is between the liquidation price and the current price
Safe. When the market reaches the stop-loss price, the stop-loss will trigger first, the position exits voluntarily, and liquidation will not happen.
Case B: The liquidation price is closer to the current price than the stop-loss price
Problem. When the market moves against you, the liquidation line will be hit before the stop-loss line. The system will liquidate you directly, and your stop-loss order is useless.
[Completion standard]: You can clearly say "My liquidation price is at XXX, my stop-loss price is at XXX, and the stop-loss is closer to the current price."
Step 2: How to Set Stop-Loss Distance in Isolated vs Cross Margin
| Margin Mode | Liquidation Price Logic | Impact on Stop-Loss Distance | Recommended Approach |
|---|---|---|---|
| Isolated | Only calculates the margin allocated to that position, fixed | Liquidation line is usually far from the stop-loss line, more room for error | Set stop-loss distance based on technical analysis (support/resistance), 2% is a reasonable reference |
| Cross | Uses the entire available account balance, dynamic | Liquidation line may be very close to the current price, less room for error | Stop-loss distance must be greater than the distance from the liquidation line to the current price, otherwise the stop-loss is ineffective |
In concrete numbers: with the same 10x leverage, in isolated margin you allocate 100 U as margin, and the liquidation line may be 8% away from the entry price. If you set a 2% stop-loss, you have plenty of time. But in cross margin, if your account only has 200 U in total, the liquidation line may be only 3%-4% away from the entry price. If you set a 2% stop-loss, the market will liquidate you directly once it moves more than 2%.
Step 3: In Cross Margin Mode, Calculate the "Effective Stop-Loss Range"
[What to do]: In cross margin mode, first calculate the liquidation line, then decide on the stop-loss price. [How to do it]:
Read the liquidation price from your positions page.
Use this formula to calculate the minimum stop-loss distance (for a long position): Minimum stop-loss distance = (Entry price - Liquidation price) / Entry price × 100% + 0.5% (leave a little buffer).
The stop-loss distance you set must be greater than this value for the stop-loss to work.
Example: Your entry price is 30000, the liquidation price is 29100, so the liquidation distance = (30000-29100)/30000 = 3%. You should set a stop-loss of at least 3.5% or more for it to be meaningful. Setting 2% is the same as setting nothing.
[Completion standard]: Your stop-loss price is between the entry price and the liquidation price, and leaves at least a 0.5% buffer from the liquidation price.
Step 4: What If You Cannot Widen the Stop-Loss Distance in Cross Margin?
Solution 1: Lower your leverage The lower the leverage, the lower the maintenance margin requirement, the farther the liquidation line from the entry price, and the stop-loss distance naturally widens. Lowering from 20x to 5x can push the liquidation distance from 3% all the way to 12%.
Solution 2: Add more margin In cross margin mode, adding more funds to your account pushes the liquidation line farther away. But note: funds in a cross margin account are shared, so the money you add may also be partly "consumed" by other positions.
Solution 3: Switch to isolated margin If you need precise control over the stop-loss distance of a single position, isolated margin is the more controllable choice.
High-risk warning: In cross margin mode, if you hold multiple positions at the same time, the floating loss of one position will affect the margin ratio of the entire account, which in turn dynamically raises the liquidation lines of all your positions. The "effective stop-loss range" you calculated today may shrink tomorrow because another position is losing money. In cross margin, your stop-loss distance needs to be re-checked regularly.
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FAQ
Q: I set a 2% stop-loss in isolated margin. Why was I still liquidated? A: Check two things. First, did you choose "mark price" as the trigger for your stop-loss? Liquidation also uses mark price, so the two need to be consistent. Second, if the market moves in an extreme spike, the mark price may instantly break through the liquidation line before your stop-loss order has time to trigger. In extreme market conditions, no stop-loss is 100% guaranteed.
Q: In cross margin mode, does a larger account balance mean the liquidation line is farther away? A: Yes. In the cross margin liquidation price formula, the numerator includes the total account equity. The higher the account balance, the farther the liquidation line. But the cost is: if you are liquidated, you lose money from your entire account, not just the margin of one position.
Q: Which mode is more likely to have an "ineffective stop-loss": isolated or cross? A: Cross margin. Because the cross margin liquidation line is more "alive" — it is affected by other positions and by changes in account balance. The isolated margin liquidation line is relatively fixed and stays unchanged once set. For beginners, most experience suggests using isolated margin first.
