https://img.etimg.com/photo/95686076.cmsTypically, a company offers its employee an option to buy a fixed number of stocks after a vesting period at a predetermined price that often comes with a big discount. Though it may appear a good bargain on paper however, in reality, there are many things which may go wrong and there is no guarantee that you will always take home the jackpot. Here's what should know to get the call right.

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