Earnings season is officially here with many big name stocks expected to report this week.The Dow Jones Industrial Average set new all-time highs each of the previous five sessions and looks poised to continue its record breaking run while the Nasdaq composite is back to where it was 15 years ago at the top of the dot-com stock bubble. With markets reaching new heights, some top money managers have put up warning signs ahead of corporate earnings.Whether you’re bullish or bearish the overall market, investors should know their stock’s Margin of Safety ahead of earnings based on the underlying fundamentals of the company. Finbox.io’s fair value estimates are a great starting point for figuring out how much a stock is really worth.Below are fair value estimates sorted by Margin of Safety for the stocks reporting earnings today (7/18) after the market closes.sourceUncertainty levels were recently added to fair value estimates. Click here to learn more. Note that fair value estimates are just a starting point for your research. Investors are always reminded that before making any investment, you should do your own proper due diligence on any name directly or indirectly mentioned in this article.