針對老師對百題的41,老師對bi的解釋為不能理解為杠桿,但是我查看原版書中(P112)的確可以理解為杠桿,請問應(yīng)該如何理解?
老師,??级?0題紅線部分的公式和紅字的公式之間怎么推導(dǎo)呢,謝謝。
51題B選項和A選項不是一個意思嗎?window short不也是樣本不足的意思嗎?
What is cash neutral alphas? Means the cash holding percentage equal to benchmark ? Or means the cash holding is zero?
34題,C選項老師講的到底要表達(dá)什么意思?有點不明白
22題 VarX為什么等于1.8*0.08?這是求VAR的哪個公式?
第18題,計算過程那個annual return是沒用嗎?
同問,為何選項B不對
IR=阿爾法/阿爾法的波動,T檢驗也是這個公式吧?這是啥關(guān)系
why the answer is not B? we learnt sharpe is the portolio retun - risk free rate from book. risk free rate is the general market indice
why the answer is not B ? sharpe should be portfolio return - risk free rate (market indices)
why the answer is not 2.31% (difference between portfolio return and benchmark return) / 2.1% ??? we learnt alpha is the difference of return from book. why 0.018 / 2.1%?
老師您好,distressed hedge fund是什么意思?是fund本身陷入困境了,還是fung的策略是投資于困境企業(yè)?
這里老師怎么又說賣波動是賣期權(quán)…………
為什么賣出期權(quán)等于買入波動保護呢
程寶問答