The Ramifications of Buying Option Calls 

Buying an option call gives you the right but not the obligation to buy an underlying stock. When you buy a call option you have no obligation to buy the underlying stock. If you buy choose to exercise that right, you have to do it within the expiration period and at the given strike price.

The amount of premium that you pay to buy a call option is the risk that you are undertaking. The rewards could be potentially unlimited when trading options.

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