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1、外汇期权交易实务什么是外汇期权?外汇期权:一项选择权,可在未来确定时间以确定价格买/卖外汇按照行权方向是买入/卖出权利,分为:看涨期权看跌期权按照行权时间是固定/提前,分为:欧式期权美式期权按照是否附带行权条件分为:普通期权奇异期权2外汇期权的几个要素:1、Currencypair货币对2、Direction(callorput)方向:看涨/看跌3.、Strike行权价格/敲定价格4.、Tenor期限5、Expirytime(TokyoorNYcut)终止时间6.、Notional名义金额3外汇期权定价模型Black-S
2、choles模型参数含义N(d1)=Delta对冲比例N(d2)=期权被执行的概率更精确的定价模型是B-S模型的盐生产物,需要考虑外汇利率等因素,可以使用含红利支付的模型,主要区别是用Sert代替S。7波动率曲面和微笑曲线8常见期权交易策略9保护性买权Coveredcall保护性卖权ProtectivePut跨式交易Straddle勒式交易Strangle多头价差Bullspread空头价差Bearspread跨月价差Calendarspread蝶式/海鸥式交易Butterfly外汇期权交易策略10Straddle-ho
3、ldingapositioninbothacallandputwiththesamestrikepriceandexpiration.Iftheoptionshavebeenbought,theholderhasalongstraddle.Iftheoptionsweresold,theholderhasashortstraddle.Thelongstraddleisprofitableiftheunderlyingstockchangesvalueinasignificantway,eitherhigherorlowe
4、r.Theshortstraddleisprofitablewhenthereisnosuchsignificantmove.Strangle-thesimultaneousbuyingorsellingofout-of-the-moneyputandanout-of-the-moneycall,withthesameexpirations.Similartothestraddle,butwithdifferentstrikeprices.Butterfly-buyinthemoneyandoutofthemoneyca
5、ll,selltwoatthemoneycalls,orviceversa外汇期权交易策略11RiskReversal(风险逆转)buyanoutofthemoneycalloption,andsimultaneouslysellanoutofthemoneyputoption.RR25=σcall,25−σput,25外汇期权交易策略BuyputsellcallBuycallsellput12Straddle13Strangle14外汇期权在实际中如何报价15外汇期权在实际中如何报价:两种方式:1、Dealusingl
6、iveprice(nodeltaexchange)bankgivesclientapremiumwhichtakesintoaccountbothvolsandspotlevels,noexchangeofspotdelta报期权费(不交换Delta)2、Dealusingimpliedvols(withdeltaexchange)bankshowsbid/askforvols,whenhit,clientjustexchangethedeltaoftheoptionwiththebank报波动率(交换Delta)16外
7、汇期权在实际中如何报价:案例学习:客户拟购买如下期权:1mth期限1个月,USDcallJPYput,(看涨美元看跌日元)strike86(行权价86),Tokyocut(东京截止时间),Notional1mio(名义金额1百万)supposeatthemomentthemarketspotisabout84.50,现价84.5017外汇期权在实际中如何报价:18外汇期权在实际中如何报价:19外汇期权在实际中如何报价:FirstApproach–Dealusingliveprice(nodeltaexchange)1.、
8、Fromclient:“Plsshowmeliveoptionpremiumpricein%USDforthefollowingoption:1mthUSDcallJPYPut,strike86,Tokyocut,Notional1mioUSD”2、Bankwillrevertwiththefollowing:“P