杠杆是你开永续合约仓位时选择的倍数。它让你能够控制比你投入的 USDC 保证金更大的仓位。在 10x 杠杆下，100 USDC 的保证金可以控制 1,000 USDC 的仓位。

你选择的倍数越高，用同样的保证金能开的仓位就越大。

杠杆在两个方向上同样起作用。放大你盈利的那个倍数，也会同样放大你的亏损。

如果你 10x 杠杆下 1,000 USDC 的仓位朝有利方向变动 5%，你赚 50 USDC，相当于你投入的 100 USDC 的 50%。

如果它朝不利方向变动 5%，你亏 50 USDC，相当于你保证金的 50%。标的资产价格每变动一个百分点，都会带着杠杆倍数作用到你的保证金上。

出于同样的原因，杠杆越高，你的强平价格离市价越近。强平会在你的保证金耗尽之前发生，因为仓位必须维持一定的维持保证金。在 BTC 上使用 40x 杠杆，大约 1.25% 的不利变动就足以让仓位被强平。

在 BTC 上使用 5x 杠杆，价格需要朝不利方向变动大约 18.75%。在最高杠杆为 5x 的市场上，同样的 5x 仓位在大约 10% 的变动后就会被强平。杠杆越低，仓位就有越多空间吸收价格波动，而不会触及你的强平水平。

你能选择的最高杠杆取决于市场，杠杆滑块会停在该市场的上限。BTC 最高支持 40x，ETH 最高 25x，SOL 最高 20x。其他大多数市场的上限是 3x、5x 或 10x。在这个范围内，你只能选择整数。1x、2x、3x、5x、10x、20x，以此类推。

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