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CFA问答
CFA问答包含CFA在线课程、CFA通关课程、CFA试题等所有CFA相关问题,每个问题老师均会在24小时内给出答疑回复哦!
老师您好,这里我感觉我理解是反的。 对于put option来说, decreases in the underlying equity 所带来的put value的增长是更大的, 而increases in the underlying equity 所带来的put value的减少是更小的, 所以这才是涨多跌少, 可是为什么这里说的是for put option, the delta will underestimate the price effect of decreases in the underlying equity and will overestimate the price effect of increases in the underlying equity呢?谢谢
老师您好, implied volatility应该向历史volatility回归,但是这里怎么是反的呢? 为什么 当 historical volatility在低位,而 implied volatility会上升呢?不应该向historical volatility回归,implied volatility下降吗?谢谢
精品问答
- Q6,为啥要少抽失败的,少抽不就不能真实反应情况了吗?
- BG检验就是T检验吗?如果理解错误的话 T检验是什么?
- Q3:解析里面Team Purple’s conclusion (the externalities associated with human capital is the most important determinant in predicting the occurence of convergence) implies that the production function is a straight line, and is compatible with non-convergence.这段话中 externalities associated with human capital具体是什么?怎么得到the production function is a straight line这个结论呢?
- Effective duration和Effective convexiy的公式为什么不用modified duration和convexity的原本公式,而是和他们的近似的久期和突性的公式一致?
- Risk Budget and risk parity 第二道思考题,里面的Variance是不是完全是个冗余信息,给来误导的呀?
- liability relatibe asset allocation这三种方式的区别是什么呀 怎么区分
- 为什么半年付息 算ytm是乘以2 而年化的麦考利久期是除以2
- 为什么长期垄断竞争中 D和ATC相切




