### Comment:
Yeah well I understand that just as if you bought a regular stock and it’s value declined to 0 and you weren’t paying attention  
 But now i understand what selling puts is

### REPLY:
Bio pharmaceuticals are extremely risky for that reason.  For example, Microsoft or Apple would be highly unlikely to go to zero for the foreseeable future.  That’s why the premium for the stocks OP mentioned are high...they are all bio pharmaceutical companies.

### END.