Serena
2024-04-28 22:51老師,您好,這道題目沒理解這句話的意思:Basis point volatility under the CIR model increases at a decreasing rate, whereas basis point volatility under the lognormal model increases linearly. Therefore, basis point volatility is an increasing function for both models.
所屬:FRM Part II > Market Risk Measurement and Management 視頻位置 相關(guān)試題
來源: 視頻位置 相關(guān)試題
1個(gè)回答
Michael助教
2024-05-05 23:32
該回答已被題主采納
你好,basis point volatility在CIR模型中是以一個(gè)遞減的速度增加(就是增加的速度越來越慢),然而在對(duì)數(shù)模型中是線性增加(所以增加的速度不變),所以不管怎么說,這兩個(gè)模型里basis point volatility都是遞增的。
