持權成本【期權】
cost of carry
投資者保持投資余額而產生的現金支付的成本，其中包括保證金帳戶中的某種貨幣的多余頭寸的利息﹐欠缺的保證金頭寸的股利損失﹐以及意外費用。
Investors holding investment balances generated cash costs, including interest margin account surplus positions in a currency, dividend loss lacking margin positions, and incidental charges.