Buying an option either call or put gives you rights, selling (writing) options gives you an obligation.
Why you foreign currency trading online and should forex trade when trying to forex trading secrets and invest money trading forex.
If Xyz Company is trading at $50 per share on or before the expiration date your option is in effect worth $10.
Why you foreign currency trading online and should forex trade when trying to forex trading secrets and invest money trading forex.
If each day is an independent event then the markets must be random.
Changes in interest rates, government announcements, etc.