杜同学2019-07-18 13:47:43

(1) away-from-the-money equity options 是什么意思？ (2) “Crashophobia” is based on the idea that large price declines are more likely than assumed in Black-Scholes-Merton prices, not that volatility increases when prices decline. 这句话看不懂是什么意思，可以用中文解释下吗？背后的原因是什么呢？ (3) Compared to the lognormal distribution, traders believe the probability of large down movements in price is higher than large up movements. 为什么呢？什么东西Compared to the lognormal distribution呢？为什么要和lognormal distribution比呢？ (4) Increasing leverage at lower equity prices suggests increasing volatility.为什么呢？