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??????????FX?
??????????FX???FX(Foreign exchange)?????
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???????????????????????????FX?????????????????????????????????????????????????????
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1??100????1?????????????1??110???????????????
?110??100??1????10???????????????
??1??90????????????
?90??100??1?????10??????10?????????
??????FX?????????????????????????????????????????
??FX???????????????????????????????????????????????????????????????????
???????????????????????swap??????????????????????????????????????swap?????????????????
タグ: FX