This is a fairly common approach that entails buying and selling different sorts of options to reducevolatility.
这是一种很常用的方法,通过买入和卖出不同种类的期货来降低波动性风险。
2
While unilateral intervention is unlikely to change long term trends, it is used to deter excessive speculation and attempt to reducevolatility in favor of more 'orderly' movement.
虽然单方面干预不大可能改变长期走势,但往往会威慑过度投机行为及降低波动,使走势更加“有序化”。
3
One reason is that the commercial Banks are trying to reduce the volatility of their earnings, not increase it.