第5和第6題問的有什么不一樣
volatility smile 和 volatility skew的圖為什么兩邊都是 OTM,且左邊為 OTM PUT右邊是OTM CALL?請老師幫忙解釋一下形成這兩種形狀的原因。謝謝。
第二題的daily yield volatility為啥不開根號轉化成standard deviation?
dividend yield也算在long-term增長里嗎
為什么The higher the volatility of the rest of the portfolio, should point to a narrower optimal corridor?為什么correlation和transaction costs越大, corridor也越大?
怎么判斷b經(jīng)理是要復制指數(shù),如何判斷人家是運氣呢?怎么判斷這里的currency overlay是為了hedge風險還是增強收益?
以positive butterfly為例,2倍的中期利率 - 短期利率-長期利率是一個正數(shù)還是負數(shù)?看形態(tài),中期利率變小,兩端利率變大,前面這個公式計算出來的應該是個負數(shù)吧,但這個形態(tài)叫做positive?
這個illiquidity premium是題目給了就要加嗎?上課時候學的原始公式根本沒有提到過呀
第一題,老師說只要return on asset達到折現(xiàn)率,以后就只用定期contribution就可以,這里有點不太理解,如果plan asset的收益率和折現(xiàn)率一樣,那是不是用investment return就可以覆蓋DB的liquidity needs,為什么還要定期contribution呢?
Fundamental weighting intends to exploit possible inefficiencies in market pricing caused by the overuse of cap-weighted approaches. 請問為什么overuse of cap-weighted approaches會導致 inefficiencies in market pricing呢?
想問下,yield spreads are exceedingly high,說明公司風險很高,是不是也能判斷出不應該買股票(主要是公司)???
179頁Reading 27課后29題,return based,holding based,transaction based 這三個是哪個知識點來著?
這里pv計算有問題吧,這種支出在個人ips章節(jié)不都是先付年金嘛,這里用后付算的
這里說到計算題只寫最終答案,過程一分不給,是真的嗎?那最后一步算錯了,豈不是很虧。
Which of the following statements about credit spread measures is most accurate? A、The DM is the yield spread over the MRR established upon issuance to compensate investors for assuming an issuer's creadit risk. B、The Z-DM will be above tne DM if the MRR is expected to remain constant over time. C、The yield spread for a corporate will be equal to the G-spread if the government benchmark yield curve is flat.
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