And sharing common rules for them actually means to regain sovereignty in a shared way rather than pretending to have sovereignty they’ve lost a long time ago. That’s the point. 6  BIS central bankers’ speeches
The corporation could do this, in principle, by purchasing a call option on its stock that was identical in all respects to the granted option and then selling that call option at the same time that the employee exercises his or her option. Of course, the call options needed to execute this hedge are difficult to arrange.