Before actually discussing options strategies, it is absolutely required to understand the fundamentals as it is the case with our educational system. So here are the fundamentals from the horse’s mouth, the professionals from NASDAQ.
Equity options today are hailed as one of the most successful financial products to be introduced in modern times. Options have proven to be superior and prudent investment tools offering you, the investor, flexibility, diversification and control in protecting your portfolio or in generating additional investment income. We hope you’ll find this to be a helpful guide for learning how to trade options.

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Source: Option Types: Calls & Puts – NASDAQ.com