Texas Instruments Incorporated (TXN), a company that designs, makes and sells semiconductors to electronics designers and manufacturers across the world and operates through two segments: Analog and Embedded Processing, is reporting earnings on Monday, July 25, after market close: (Source: TD Waterhouse)The company beat earnings estimates in 75% of time in the last eight quarters, underperforming or showing in-line results in 25% of time, and has seen modest volatility in the market price of its stock over the last three months: $TXN, Texas Instruments Incorporated / 60 The market participants expect the following numbers over the next few quarters, including the upcoming one: (Source: TD Waterhouse)On the other hand, market data show that the August options are relatively cheap: (Source: TD Waterhouse)The monthly straddles (options with a strike price of $65.50) are worth around 4.7% of the current market price of the stock. Historically, the stock has been almost as volatile as that on a monthly basis over the last year: (Source: Google Finance. Calculations by author)As you can see, the stock has had a monthly standard deviation of 7.7% over the last 52 weeks, while the straddle expiring in a bit less than a month has an implied monthly volatility of around 7.5% (calculated based on 20 business days remaining until expiration), also including volatility from the earnings event next week. I therefore see signs of clear undervaluation in these options.What do you think of this trade?