在未平倉部位上調整保證金，指的是在你已經在運作的部位所分配的抵押品中加入 USDC 或取出 USDC。你並沒有平倉，也沒有重新開倉。

你改變的是此刻有多少永續合約現金餘額撐在這個部位後面，這會改變部位在被強平之前還有多少空間。

這適用於逐倉部位。在手機上，打開部位，點按鉛筆圖示，然後選擇「添加保證金」或「減少保證金」，輸入金額，再滑動確認。在網頁上，點按部位「保證金」數值旁邊的「編輯保證金」，設定新的金額，然後點按「保存」。部位會以新的抵押品更新。

全倉部位沒有自己的保證金可以調整，因為它共用你的永續合約現金餘額。減少保證金有一個底線：至少要保留倉位大小的 10% 作為保證金，app 會顯示可以取出多少。

添加保證金會從你可用的永續合約現金餘額中拿出更多 USDC 放進部位。這給了部位更多緩衝。你在這個部位上的實際槓桿會下降，強平價格也會離目前市價更遠。

實際槓桿是你的部位在任何時刻實際承擔的槓桿。一開始它等於你開倉時選擇的槓桿，然後會隨著市場變動或你添加、減少保證金而改變。部位上的槓桿標籤顯示的是你選擇的設定，不是這個變動中的數字。

添加抵押品是在不平倉的情況下，給部位更多喘息空間最乾淨俐落的做法之一。

減少保證金會把 USDC 從部位取出，放回你可用的永續合約現金餘額。

這會釋放出那些資金供其他交易使用，但同時也會提高你在這個部位上的實際槓桿，並讓強平價格更接近目前市價。部位變得更單薄。

現在只要稍微往不利的方向走一點，就足以讓它被強平。只有在你能接受剩餘部位的較高風險時，才這麼做。

永續合約（「Perps」）由第三方協議提供，不向美國人士（美國公民、居民或任何身在美國境內的人）開放。請勿嘗試在美國境內使用永續合約。

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