金程問(wèn)答A stock with an expected return of 9.0%:不應(yīng)該表示E(rp)嗎為什么題目中表示成了R(f)
factor up代表的是什,卡面的代筆表的是什么
F&F have observed: firms with high ratios of book-to-market value are more likely to be in financial distress and that small stocks may be more sensitive to changes in business conditions. 如何理解這句好
? The differences between CAPM and APT: ? CAPM is a one-factor model and APT is a multi-factor model. ? CAPM is a special case of APT. ? APT is often used to decompose the factors' respective contributions to the expected return.中最后APT is often used to decompose the factors' respective contributions to the expected return.如何理解這句話
each by a relatively small dollar amount如何理解
There are no arbitrage opportunities among well-diversified portfolios.中如何理解well-diversified portfolios
第一,判斷肥尾還是瘦尾的時(shí)候,老師為何說(shuō)圖像右半邊那個(gè)點(diǎn)是左側(cè),圖像左半邊那個(gè)點(diǎn)是右側(cè)哇?不太理解。第二,圖像右側(cè)的點(diǎn)正態(tài)分布分位點(diǎn)值為3,經(jīng)驗(yàn)分布值為5,為何5在3左側(cè)?我理解的應(yīng)該是以0為中心,5在3右側(cè),-5在-3左側(cè)。
老師好,視頻1:43:40的tail loss用insurance來(lái)覆蓋,和覆蓋EL的保費(fèi)有什么區(qū)別?謝謝!
delta針對(duì)期權(quán)產(chǎn)品,這句話怎么理解呀,
為什么是次方而不是直接乘
如何理解U效用,全程是什么?
風(fēng)險(xiǎn)厭惡者,不應(yīng)該覺(jué)得風(fēng)險(xiǎn)越高,E(R)越小嗎?為啥越大,風(fēng)險(xiǎn)偏高者相反,不應(yīng)該風(fēng)險(xiǎn)越改,E(R)越高嗎?
老師好,請(qǐng)問(wèn)如果兩個(gè)資產(chǎn)求VAR,用公式VAR=Z OV成立嗎?
這里遠(yuǎn)期的價(jià)值計(jì)算怎么和老師之前講的不一樣呢?
什么是Price risk, 為什么maturity limits 不能限制它?
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