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10x is not ten times the profit

At 10x, roughly a 9.5% adverse move takes the entire margin. Not 50%, not 100%.

Many pairs move 9.5% on an ordinary day. At 10x you are not trading a trend — you are betting on intraday noise.

Compute the liquidation price before entering, not after. If it sits inside the normal daily range, the leverage is too high.

At 10x, price only has to move about 9.5% against you to take the whole margin. Most beginners think that number is 50%.