Why was I liquidated at a different price to what was previously shown?
This is most likely a result of cross margining.
When you are using cross margin, all your open positions share the same margin pool.
The displayed liquidation price is conditional: it typically assumes your other positions don’t change materially.
When multiple positions move against you at the same time: losses are accumulated across multiple positions simultaneously.
This means shared margin was consumed faster: your total account equity drops quicker than a single-position estimate.
Liquidation thresholds adjusted upward in real time: as equity falls, the effective liquidation prices for each position increases.
Liquidation triggered at the account level: once total margin fell below requirements, liquidation occurred even if one market hadn’t reached the originally displayed price.
How to prevent this:
Use isolated margin if you want more stable, predictable liquidation prices per position.
Avoid holding multiple correlated positions at high leverage on cross margin.
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