金程問(wèn)答第一題不是要對(duì)沖三個(gè)月的價(jià)格波動(dòng)么,怎么能用一個(gè)月的去對(duì)沖呢?
老師第四題,pv(fix)的公式是不是寫錯(cuò)了算出來(lái)不是答案里的數(shù)字 應(yīng)該是(b1+…b5)*c+np*b5這樣算才是答案里的數(shù)字
老師你好,“Implied volatility is higher for lower strike prices than for higher strike prices; therefore, out-of-the-money put options will generally be more expensive than out-of-the-money call options.”為什么可以推出價(jià)外看跌期權(quán)比價(jià)外看漲期權(quán)更貴?然后有怎么更選項(xiàng)B聯(lián)系起來(lái)?選項(xiàng)B:Using out-of-the-money options to hedge is more expensive than establishing a long position with out-of-the-money options,為什么價(jià)外期權(quán)對(duì)沖比long一個(gè)價(jià)外期權(quán)更貴? 不太理解這道題在考什么,請(qǐng)解釋。
老師,這里萬(wàn)能公式和反向合約邏輯是一體的么?記得基礎(chǔ)課上講萬(wàn)能公式?jīng)]提到反向合約的邏輯點(diǎn)啊
老師好,請(qǐng)問(wèn)FRA怎樣 can be done in conjunction with a Euribor deposit?請(qǐng)舉例詳細(xì)說(shuō)明有deposit和沒(méi)有deposit的情況。
老師好,不太理解這道題目里為什么is incorrect in her description of pricing differences between the spot and futures markets based on accrued interest. 請(qǐng)?jiān)敿?xì)解釋Bond Futures的報(bào)價(jià)和Spot Bond Market的報(bào)價(jià)有什么相同和不同之處以及聯(lián)系?!癟ypically, bond futures are quoted with pricing that reflects interest accrued since the last coupon payment. Therefore, in markets where spot prices are quoted “clean” rather than “dirty,” there can be some disconnect between spot and futures prices.”為什么題目中這么陳述是錯(cuò)誤的?
老師好,這個(gè)例題中用到的PVt(equity)為什么是1.1(1100/1000得到)為什么不是0.1=[(1100-1000)/1000]?equity的return應(yīng)該是兩個(gè)股價(jià)之間的差額吧?不太理解算V(swap equity)這兒PVt(equity)部分的估值。請(qǐng)老師解釋,謝謝
股權(quán)收益的互換期初涉及交換本金嗎?? 否則為什么期末要交換本金?每期結(jié)算的時(shí)候不是只把對(duì)應(yīng)的收益軋差嗎?
老師好,為什么這道題算Vt(swap)=PVt(Equity)-PVt(floating) 當(dāng)t=90時(shí),這兒的PVt(floating),f1不用+1呢?
請(qǐng)問(wèn)該題如何計(jì)算0時(shí)刻的hedgeratio?是否需要比較行權(quán)和不行權(quán)后取大作為c+和c-,再計(jì)算△c?
期貨價(jià)格等于現(xiàn)貨價(jià)格,為什么在計(jì)算期貨價(jià)格時(shí),不考慮現(xiàn)貨價(jià)格的時(shí)間價(jià)值
本題題干的意思是股利僅僅在1年時(shí)點(diǎn)發(fā)放一次對(duì)嗎
請(qǐng)問(wèn)這兩個(gè)怎么看?為什么第二個(gè)不選c?
老師好,“the appropriate no-arbitrage strategy is to short the overpriced call option and synthetically replicate an offsetting long-call position ”我理解為什么要short the overpriced call option,但為什么還要有一個(gè)offsetting long-call position? 請(qǐng)解釋如何通過(guò)題目所給信息推斷出這個(gè)no-arbitrage strategy, 并解釋為什么這樣的strategy可以eliminate the arbitrage profit opportunity。謝謝
Q1,股權(quán)端的收益(pricing)是計(jì)算HPR,股權(quán)端的價(jià)值(valuation)是通過(guò)題目給出的HPR計(jì)算出St+1/St,再用這個(gè)比例乘以NP得到St+1的value,我的理解對(duì)么?
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