資金費率是在永續合約上持有多頭倉位的交易者和持有空頭倉位的交易者之間流動的小額付款。它們讓永續合約價格與資產的實際現貨價格保持一致。
當永續合約價格高於現貨時，多頭付給空頭。當永續合約價格低於現貨時，空頭付給多頭。方向會依市場狀況翻轉，這種拉扯就是讓合約價格長期追蹤現貨的原因。
資金費什麼時候支付
資金費每小時結算一次。如果整點時你有未平倉倉位，付款會自動結算。在逐倉倉位上，它會從該倉位的保證金扣除或加入。在全倉模式下，它會改變你共用的永續合約現金餘額。
金額與你的倉位規模成正比，所以倉位越大，付款金額越大，無論是支付還是收到。這就是為什麼你的保證金或永續合約現金餘額會在你沒有下任何單的情況下改變。
資金費會隨時間累積
每小時的金額很小，但會累積起來。持有數天或數週的倉位可能累積出可觀的資金費成本，或者如果你是收取的一方，則是可觀的收益。當你決定是否繼續持有倉位時，請把資金費率和你的盈虧一起衡量，而不只是看價格變動。
在哪裡查看費率
任何市場目前的資金費率都在其市場頁面的「關於」區塊中，顯示為「資金費率 (1h)」。一旦你持有倉位，它的「資金費」那一列會顯示自開倉以來你總共支付或賺取的金額。
永續合約（「Perps」）由第三方協議提供，不適用於美國人士（美國公民、居民或任何位於美國境內的人）。請勿嘗試從美國境內存取永續合約。
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