Comcast Corporation (CMCSA) P/E Ratio History
Historical price-to-earnings valuation from 1998 to 2026
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CMCSA Valuation Context
How does the current P/E compare to historical and market benchmarks?
P/E Ratio Analysis
As of May 6, 2026, Comcast Corporation (CMCSA) trades at a price-to-earnings ratio of 4.9x, with a stock price of $26.44 and trailing twelve-month earnings per share of $5.14.
The current P/E is 67% below its 5-year average of 14.7x. Over the past five years, CMCSA's P/E has ranged from a low of 5.2x to a high of 29.9x, placing the current valuation at the 0th percentile of its historical range.
Compared to the Communication Services sector median P/E of 15.2x, CMCSA trades at a 68% discount to its sector peers. The sector includes 108 companies with P/E ratios ranging from 0.1x to 187.4x.
The PEG ratio of 0.26 (P/E divided by 30% EPS growth) suggests the stock may be undervalued relative to its earnings growth. Peter Lynch popularized the rule that a PEG below 1.0 indicates an attractive entry point.
Relative to the broader market, CMCSA trades at a notable discount to the S&P 500 median P/E of 25.2x. Investors should consider the company's growth prospects, competitive position, and earnings quality when evaluating whether the current valuation is justified.
For a comprehensive intrinsic value estimate using discounted cash flow analysis, see our CMCSA DCF Valuation Calculator →
Note: P/E ratio is just one valuation metric. It does not account for balance sheet strength, cash flow quality, or growth sustainability. Always conduct comprehensive due diligence before making investment decisions.
CMCSA P/E vs Peers
P/E ratio compared to closely matched public peers
| Company | Market Cap | P/E Ratio | PEG Ratio | EPS Growth (1Y) |
|---|---|---|---|---|
| $20B | 4.3Lowest | 0.23Best | +4% | |
| $178B | 8.4 | - | +104% | |
| $200B | 11.7 | - | -2% | |
| $193B | 15.8 | - | +152%Best | |
| $13B | 11.5 | 0.46 | +57% | |
| $374B | 34.9 | 1.06 | +28% |
Peers sorted by market capitalization. P/E below peers may indicate undervaluation or lower growth expectations. Consider PEG ratio for growth-adjusted comparison.
CMCSA Historical P/E Data (1998–2026)
Quarterly P/E ratios calculated from closing price and TTM EPS
| Quarter | Date | Price | TTM EPS | P/E Ratio | vs Avg |
|---|---|---|---|---|---|
| FY2026 Q1 | $28.71 | $5.07 | 5.7x | -78% | |
| FY2025 Q4 | Wed Dec 31 2025 00:00:00 GM | $29.89 | $5.36 | 5.6x | -78% |
| FY2025 Q3 | $31.42 | $6.00 | 5.2x | -80% | |
| FY2025 Q2 | Mon Jun 30 2025 00:00:00 GM | $35.69 | $6.04 | 5.9x | -77% |
| FY2025 Q1 | Mon Mar 31 2025 00:00:00 GM | $36.90 | $4.07 | 9.1x | -65% |
| FY2024 Q4 | $37.53 | $4.15 | 9.0x | -65% | |
| FY2024 Q3 | Mon Sep 30 2024 00:00:00 GM | $41.77 | $3.72 | 11.2x | -56% |
| FY2024 Q2 | Sun Jun 30 2024 00:00:00 GM | $39.16 | $3.76 | 10.4x | -59% |
| FY2024 Q1 | Sun Mar 31 2024 00:00:00 GM | $43.35 | $3.78 | 11.5x | -55% |
| FY2023 Q4 | Sun Dec 31 2023 00:00:00 GM | $43.85 | $3.72 | 11.8x | -54% |
| FY2023 Q3 | Sat Sep 30 2023 00:00:00 GM | $44.34 | $3.61 | 12.3x | -52% |
| FY2023 Q2 | Fri Jun 30 2023 00:00:00 GM | $41.55 | $1.56 | 26.6x | +4% |
Average P/E for displayed period: 25.6x
Full CMCSA Stock Analysis
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Start ComparisonCMCSA — Frequently Asked Questions
Quick answers to the most common questions about buying CMCSA stock.
Is CMCSA stock overvalued or undervalued?
CMCSA trades at 4.9x P/E, below its 5-year average of 14.7x. At the N/A percentile of historical range, the stock is priced at a discount to its own history.
How does CMCSA's valuation compare to peers?
Comcast Corporation P/E of 4.9x compares to sector median of 15.2x. The discount suggests lower growth expectations or higher risk.
What is CMCSA's PEG ratio?
CMCSA PEG ratio is 0.26. Below 1.0 indicates valuation is supported by earnings growth rate. Historical P/E data spans 1998-2026.