Comcast shares drop 6.6% as analysts weigh valuation ahead of next earnings release

Comcast's September 9 sell-off

Comcast (CMCSA) ended the Sept. 9, 2026 trading session at $24.59, a 6.61% decline from the prior day's close, according to Zacks Equity Research. The drop outpaced broader market losses that day: the S&P 500 fell 0.48%, the Dow lost 0.77% and the Nasdaq lost 0.64%. The sell-off followed a month in which Comcast shares had risen 2.65%, against a 3.74% decline for the Consumer Discretionary sector and a 0.97% decline for the S&P 500 over the same period.

Valuation read from GF Value

GuruFocus framed the same session's decline as a potential entry point, citing its GF Value model. The headline of that Sept. 9, 2026 analysis asked whether Comcast was a "bargain" after the 6.6% drop, with the accompanying text stating that GF Value labeled the stock as undervalued. The GuruFocus report did not include specific fair-value figures in the published excerpt.

Analyst estimates point to year-over-year declines

Zacks' consensus model projected Comcast to report quarterly earnings of $1.01 per share, down 9.82% from the prior-year quarter, on revenue of $29.65 billion, down 4.95% year over year. For the full year, the Zacks Consensus Estimate called for earnings of $3.52 per share, a 18.33% decline from the prior year, and revenue of $120.93 billion, a 2.25% decline. Zacks also reported no change to its consensus EPS estimate for Comcast over the prior month and assigned the stock a Zacks Rank of #3 (Hold).

Valuation multiples versus the cable peer set

At the Sept. 9 close, Comcast traded at a forward P/E of 7.49, compared with a Cable Television industry average forward P/E of 5.45, and a PEG ratio of 1.87 against an industry-average PEG of 0.72, according to Zacks. The Cable Television industry carried a Zacks Industry Rank of 202, placing it in the bottom 18% of more than 250 industries tracked by the firm.

Next milestone

The next verifiable milestone for Comcast is the company's upcoming quarterly earnings release, which Zacks flagged as the focal event for investors following the Sept. 9 decline.