NO.PZ2020012005000023
问题如下:
Explain how CDD and HDD are defined for weather futures.
选项:
解释:
The CDD, cooling degree for a day, is defined as max(A - 65, 0) where A is the average of the highest and lowest temperature in degrees Fahrenheit during the day. HDD, heating degree for a day, is defined as max(65 - A, 0).
视频里就没听太懂,这俩个的意义到底是啥?
农民怕天气变化影响收益,因此买挂钩天气的期货来对冲?
那我是不是理解为,比如这个农民很喜欢热天气耕种,那他就买CDD这种在冷天气赚钱的期货,进行收益对冲?