平倉
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(1)一般義：是同一帳戶的對應方相沖和平衡的一個帳目。(2)期權義：結清期權交易，即用性質相同的齊全沖銷已有的期權。(3)期權義：套期，如為保障資本收益而賣空股票，或為鎖住商品價格而購買期貨，或套做期權，即購買用作沖抵的股票買入期權和賣出期權。
(1) General meaning: red corresponding isotropic and balanced accounts of a same account. (2) Option Meaning: the option to settle the transaction, which uses the same nature complete reversal of existing options. (3) Option Meaning: hedging, such as for the protection of capital gains and short-selling stocks, or buy futures to lock in commodity prices, or do sets of options that is used to offset the purchase of stock options and buying put options.