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In finance, a debit spread, AKA net debit spread, results when an investor simultaneously buys an option with a higher premium and sells an option with a lower premium. The investor is said to be a net buyer and expects the premiums of the two options (the options spread) to widen. ==Bullish & Bearish Debit Spreads== Investors want debit spreads to ''widen'' for profit. A bullish debit spread can be constructed using calls. See bull call spread. A bearish debit spread can be constructed using puts. See bear put spread. A bull-bear phase spread can be constructed using near month call & put. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Debit spread」の詳細全文を読む スポンサード リンク
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