Is Comcast Corp. overvalued or undervalued?

As of 7 August 2025, the valuation grade for Comcast Corp. has moved from very attractive to attractive, indicating a shift in market perception. The company appears to be overvalued at this time, as evidenced by its P/E ratio of 10, which is significantly higher than its peer Warner Bros. Discovery, Inc. with a P/E of -69.92, and an EV to EBITDA ratio of 6.55 compared to Warner's 7.97. Additionally, Comcast's PEG ratio stands at 1.52, suggesting that its growth prospects may not justify its current valuation.
In terms of performance, Comcast's recent stock returns have lagged behind the S&P 500, with a year-to-date return of -15.69% compared to the S&P's 12.22%. Over the past five years, Comcast's stock has declined by 30.09%, while the S&P 500 has gained 96.61%, further reinforcing the notion that the company is currently overvalued relative to its peers and the broader market.