Is QuinStreet, Inc. overvalued or undervalued?

As of 17 October 2025, QuinStreet, Inc. has moved from expensive to attractive in its valuation grade. The company is currently considered undervalued, despite its high P/E ratio of 378, which is significantly above the industry average, and a PEG ratio of 3.68 indicating potential overvaluation in terms of growth expectations. Additionally, the EV to EBITDA ratio stands at 30.49, suggesting that the market may not be fully recognizing the company's earnings potential relative to its enterprise value.
In comparison to its peers, QuinStreet's P/E ratio is notably higher than Omnicom Group, Inc. at 14.28 and Interpublic Group of Cos., Inc. at 12.38, both of which are categorized as attractive and very attractive, respectively. Despite this, QuinStreet's EV to Sales ratio of 0.81 indicates a more favorable valuation in terms of revenue generation compared to its peers. Over the past year, QuinStreet's stock has underperformed against the S&P 500, with a return of -26.16% compared to the index's 14.08%, reinforcing the notion that the stock may be undervalued relative to its growth potential.