Sifting through countless of stocks in the Software industry can be tedious, and sometimes two stocks are just too similar to judge which is the better investment. If you’re on the fence about investing in Microsoft Corporation or Roblox Corporation because you’re not sure how they measure up, it’s important to compare them on a few factors before making your decision.

Read on to learn how Microsoft Corporation and Roblox Corporation compare based on key financial metrics to determine which better meets your investment needs.

About Microsoft Corporation and Roblox Corporation

Microsoft Corporation develops and supports software, services, devices, and solutions worldwide. The company’s Productivity and Business Processes segment offers Microsoft 365 Commercial, Enterprise Mobility + Security, Windows Commercial, Power BI, Exchange, SharePoint, Microsoft Teams, Security and Compliance, and Copilot; Microsoft 365 Commercial products, such as Windows Commercial on-premises and Office licensed services; Microsoft 365 Consumer products and cloud services, such as Microsoft 365 Consumer subscriptions, Office licensed on-premises, and other consumer services; LinkedIn; Dynamics products and cloud services, such as Dynamics 365, cloud-based applications, and on-premises ERP and CRM applications. Its Intelligent Cloud segment provides Server products and cloud services, such as Azure and other cloud services, GitHub, Nuance Healthcare, virtual desktop offerings, and other cloud services; Server products, including SQL and Windows Server, Visual Studio and System Center related Client Access Licenses, and other on-premises offerings; Enterprise and partner services, including Enterprise Support and Nuance professional Services, Industry Solutions, Microsoft Partner Network, and Learning Experience. The company’s Personal Computing segment provides Windows and Devices, such as Windows OEM licensing and Devices and Surface and PC accessories; Gaming services and solutions, such as Xbox hardware, content, and services, first- and third-party content Xbox Game Pass, subscriptions, and Cloud Gaming, advertising, and other cloud services; search and news advertising services, such as Bing and Copilot, Microsoft News and Edge, and third-party affiliates. It sells its products through OEMs, distributors, and resellers; and online and retail stores. The company was founded in 1975 and is headquartered in Redmond, Washington.

Roblox Corporation operates an immersive platform for connection and communication in the United States and internationally. It offers Roblox Client, an application that allows users to explore 3D experience; Roblox Studio, a free toolset that allows developers and creators to build, publish, and operate 3D experiences and other content; and Roblox Cloud, which provides services and infrastructure that power the platform. Roblox Corporation was incorporated in 2004 and is headquartered in San Mateo, California.

Latest Software and Microsoft Corporation, Roblox Corporation Stock News

As of December 9, 2025, Microsoft Corporation had a $3.7 trillion market capitalization, compared to the Software median of $1.2 million. Microsoft Corporation’s stock is up 14.1% in 2025, up 0.6% in the previous five trading days and up 12.25% in the past year.

Currently, Microsoft Corporation’s price-earnings ratio is 34.9. Microsoft Corporation’s trailing 12-month revenue is $293.8 billion with a 35.7% net profit margin. Year-over-year quarterly sales growth most recently was 18.4%. Analysts expect adjusted earnings to reach $16.219 per share for the current fiscal year. Microsoft Corporation currently has a 0.7% dividend yield.

As of December 9, 2025, Roblox Corporation had a $69.5 billion market cap, putting it in the 96th percentile of all stocks. Roblox Corporation’s stock is up 68.4% in 2025, up 5.8% in the previous five trading days and up 79.03% in the past year.

Currently, Roblox Corporation does not have a price-earnings ratio. Roblox Corporation’s trailing 12-month revenue is $4.5 billion with a -21.7% net profit margin. Year-over-year quarterly sales growth most recently was 47.9%. Analysts expect adjusted earnings to reach $-1.565 per share for the current fiscal year. Roblox Corporation does not currently pay a dividend.

How We Compare Microsoft Corporation and Roblox Corporation Stock Grades

Stock evaluation requires access to huge amounts of data and the knowledge and time to sift through it all, make sense of financial ratios, read income statements and analyze recent stock movements. AAII created A+ Investor, a robust data suite that condenses data research in an actionable and customizable way suitable for investors of all knowledge levels, to help investors streamline and work through such data.

AAII’s proprietary stock grades come with A+ Investor. These offer intuitive A‐F grades for each of five key investing factors: value, growth, momentum, earnings estimate revisions and quality. Here, we’ll take a closer look at Microsoft Corporation and Roblox Corporation’s stock grades to see how they measure up against one another.

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Microsoft Corporation and Roblox Corporation Stock Value Grades

Company	Ticker	Value
Microsoft Corporation	MSFT	F
Roblox Corporation	RBLX	F

Successful stock investing involves buying low and selling high, so stock valuation is an important consideration for stock selection.

Buying stocks that are going to go up typically means buying stocks that are undervalued in the first place, although momentum investors may argue that point.

AAII’s A+ Investor Value Grade derives from a stock’s value score. The Value Score is the percentile rank of the average of the percentile ranks of the price-to-sales ratio, price-earnings ratio, enterprise-value-to-EBITDA (EV/EBITDA) ratio, shareholder yield, price-to-book-value ratio and price-to-free-cash-flow ratio. The score is variable, meaning it can consider all six ratios or, should any of the six ratios not be valid, the remaining ratios that are valid. To be assigned a Value Score, stocks must have a valid (non-null) ratio and corresponding ranking for at least two of the six valuation ratios.

Stocks with a Value Score from 81 to 100 are considered deep value, those with a score between 61 and 80 are a good value and so on.

Microsoft Corporation has a Value Score of 11, which is Ultra Expensive. Roblox Corporation has a Value Score of 3, which is Ultra Expensive.

The Value Stock Winner: No Clear Winner

Neither Microsoft Corporation or Roblox Corporation has a high enough value grade to be considered a “winner.” Investors who are considering these companies should do additional due diligence and research to see if either could be a good addition to their portfolio. It’s important to look at a wide range of financial metrics in order to determine if Microsoft Corporation or Roblox Corporation is the better investment when it comes to value.

Microsoft Corporation and Roblox Corporation Growth Grades

Company	Ticker	Growth
Microsoft Corporation	MSFT	A
Roblox Corporation	RBLX	B

The foundation of growth investing is seeking out stocks of companies exhibiting strong, consistent and prolonged growth that is expected to continue into the future.

In order to compute the growth score and assign it a letter grade, the percentile ranks for each of three components‐consistency of annual sales growth, five-year sales growth rankings adjusted for extreme levels, and consistency of positive annual cash from operations‐must be determined. These three rank figures are added together, and the sum is ranked against the entire stock universe to arrive at a company’s Growth Score to create an equal distribution of grades.

The companies in the bottom 20% of the stock universe receive Growth Grades of F, considered to be very weak, while those in the top 20% receive A grades, which are considered very strong.

Microsoft Corporation has a Growth Score of 91, which is Very Strong. Roblox Corporation has a Growth Score of 70, which is Strong.

The Growth Grade Winner: Microsoft Corporation

As you can clearly see from the Growth Grade breakdown above, Microsoft Corporation has a more attractive growth grade than Roblox Corporation. For investors who focus solely on how a company is growing relative to other companies in the same industry, Microsoft Corporation could be a good stock to add to their portfolio. However, it’s important for investors to analyze multiple factors based on a wide range of metrics before deciding whether to buy.

Microsoft Corporation and Roblox Corporation’s Momentum Grades

Company	Ticker	Momentum
Microsoft Corporation	MSFT	C
Roblox Corporation	RBLX	B

Momentum grades help to uncover stocks experiencing anomalously high rates of return; research finds that stocks with high relative levels of momentum tend to outperform, whereas those with low levels of momentum tend to continue underperforming. Momentum is based on the price change of a stock over a specified period relative to all other stocks.

Typically, AAII looks at the weighted relative strength over the trailing four quarters. The weighted four-quarter relative strength rank is the relative price change for each of the past four quarters. The most recent quarterly price change is given a weight of 40% and each of the three previous quarters are given a weighting of 20%.

Microsoft Corporation has a Momentum Score of 54, which is Average. Roblox Corporation has a Momentum Score of 75, which is Strong.

The Momentum Grade Winner: Roblox Corporation

As you can clearly see from the Momentum Grade breakdown above, Roblox Corporation is considered to have stronger momentum compared to Microsoft Corporation. For those specifically looking for companies that have stronger momentum compared to other companies in the same industry, Roblox Corporation could be a good stock to invest in. However, it’s important for investors to analyze multiple factors based on a wide range of metrics before deciding whether to buy.

Other Microsoft Corporation and Roblox Corporation Grades

In addition to Value, Growth and Momentum, A+ Investor also provides grades for Estimate Revisions and Quality.

Earnings estimate revisions scores take into account the magnitude of a company’s earnings surprise in its last two reported fiscal quarters. Often, surprises beget further surprises‐or at least continued sales growth (the exact opposite is generally true, too).

AAII’s A+ Investor Quality Grade comes from the ranking of key metrics. Specifically, the quality grade is the percentile rank of the composite of return on assets (ROA), return on invested capital (ROIC), gross profit relative to assets, buyback yield, change in total liabilities to assets, accruals, Z double prime bankruptcy risk (Z) score and F-Score.

These 2 key factors, when combined with the above, provide a holistic view into a particular stock. Further, by joining A+ Investor you can see whether Microsoft Corporation and Roblox Corporation pass any of our 60+ stock screens that have outperformed the market since their creation.

So, Which Is the Better Investment, Microsoft Corporation or Roblox Corporation Stock?

Overall, Microsoft Corporation stock has a Value Score of 11, Growth Score of 91 and Momentum Score of 54.

Roblox Corporation stock has a Value Score of 3, Growth Score of 70 and Momentum Score of 75.

Comparing Microsoft Corporation and Roblox Corporation’s grades, scores and metrics can act as a solid basis to determine whether they may be a good investment or not. You’ll also want to look at your portfolio’s asset allocation as well as your risk tolerance and financial goals to see if either of these stocks would make a good fit for you. AAII can help you figure out which investments align with your individual needs and preferences.

Investors are encouraged to do their own due diligence and research. In this way, individuals can effectively become managers of their own assets‐without having to rely on others for financial independence. You can count on AAII for timeless articles on financial planning and stock-picking, unbiased research and actionable analysis.

A+ Investor adds to our qualitative teaching with a powerful data suite to help you whittle down investment choices to find stocks, exchange-traded funds (ETFs) or mutual funds that meet your needs.

AAII Disclaimer

We make no representations or warranties that any investor will, or is likely to, achieve profits similar to those shown, because past, hypothetical or simulated performance is not necessarily indicative of future results. Before making an investment decision, you should consider your circumstances and whether the information on our content is applicable to your situation. This information was prepared in good faith, and we accept no liability for any errors or omissions. The full disclaimer can be read here.