AT&T Inc. Market Cap ($143.35 Billion)

$143.35 Billion USD  · Rank #163

Market Cap & Net Worth: AT&T Inc. (T)

AT&T Inc. market cap. AT&T Inc. (NYSE:T) has a market capitalization of $143.35 Billion ($143.35 Billion) as of October 30, 2026. Listed on the NYSE stock exchange, this USA-based company holds position #163 globally and #93 in its home market, demonstrating a -4.52% decrease in market value over the past year.

Market capitalization, also known as net worth in stock markets, is calculated by multiplying AT&T Inc.'s stock price $20.92 by its total outstanding shares 6852385650 (6.85 Billion).

AT&T Inc. Market Cap History (2015–2026)

AT&T Inc. market cap history from 2015 to 2026. Data shows growth from $103.27 Billion to $143.35 Billion (3.23% CAGR). Check AT&T Inc. stock quote for real-time trading data and today's change.

Index Memberships

AT&T Inc. is a constituent of 2 market indices:

Index Total Market Cap Weight (%) Rank by Market Cap
S&P 500 Index
GSPC
$62.23 Trillion 0.42% #75 of 503
S&P 100
OEX
$44.76 Trillion 0.60% #64 of 101

Weight: AT&T Inc.'s market cap as a percentage of total index value. Rank: Position among all constituents by market cap.

AT&T Inc. Market Cap to Earnings & Revenue Ratios Timeline

This chart shows how AT&T Inc.'s valuation ratios have evolved. The Price to Sales (P/S) ratio compares market cap to revenue, while the Price to Earnings (P/E) ratio compares market cap to net income. Lower values may indicate a more undervalued company relative to its financial performance. Also see AT&T Inc. (T) cash flow conversion for how efficiently the company converts equity into cash flow.

Latest Price to Sales (P/S) Ratio

1.35x

AT&T Inc.'s market cap is 1.35 times its annual revenue

Industry average: 1.46x Lower than industry average

Latest Price to Earnings (P/E) Ratio

7.78x

AT&T Inc.'s market cap is 7.78 times its annual earnings

Industry average: 11.48x Lower than industry average

What These Ratios Tell Investors:

  • Price to Sales (P/S) Ratio: Shows how much investors are paying for each dollar of the company's sales. Lower P/S ratios may indicate undervaluation.
  • Price to Earnings (P/E) Ratio: Shows how much investors are paying for each dollar of the company's earnings. This is one of the most common valuation metrics.
  • Trends in these ratios over time can indicate changing investor sentiment about the company's future growth prospects.
  • Industry comparison provides context for whether the company is valued higher or lower than peers.
Year Market Cap (USD) Revenue (USD) Net Income (USD) P/S Ratio P/E Ratio
2016 $134.12 Billion $163.79 Billion $12.98 Billion 0.82x 10.34x
2017 $128.74 Billion $160.55 Billion $29.45 Billion 0.80x 4.37x
2018 $100.10 Billion $170.76 Billion $19.37 Billion 0.59x 5.17x
2019 $145.69 Billion $181.19 Billion $13.90 Billion 0.80x 10.48x
2020 $114.55 Billion $171.76 Billion -$5.18 Billion 0.67x N/A
2021 $105.28 Billion $134.04 Billion $20.08 Billion 0.79x 5.24x
2022 $111.34 Billion $120.74 Billion -$8.52 Billion 0.92x N/A
2023 $108.29 Billion $122.43 Billion $14.40 Billion 0.88x 7.52x
2024 $156.03 Billion $122.34 Billion $10.95 Billion 1.28x 14.25x
2025 $170.21 Billion $125.65 Billion $21.89 Billion 1.35x 7.78x

Competitor Companies of T by Market Capitalization

Companies near AT&T Inc. in the global market cap rankings as of October 30, 2026. See AT&T Inc. balance sheet quality to understand what proportion of total assets are financed by equity.

Key companies related to AT&T Inc. by market ranking:

  • Verizon Communications Inc (SA:VERZ34): Ranked #108 globally with a market cap of $195.66 Billion USD ( R$997.15 Billion BRL).
  • Verizon Communications Inc (NYSE:VZ): Ranked #120 globally with a market cap of $181.40 Billion USD.
  • SoftBank Group Corp (F:SFTU): Ranked #124 globally with a market cap of $177.22 Billion USD ( €151.59 Billion EUR).
  • Verizon Communications Inc. (F:BAC): Ranked #125 globally with a market cap of $176.22 Billion USD ( €150.73 Billion EUR).
Market capitalization comparison (in billions USD)
Rank Company Symbol Market Cap Price
#108 Verizon Communications Inc SA:VERZ34 $195.66 Billion R$39.41
#120 Verizon Communications Inc NYSE:VZ $181.40 Billion $43.66
#124 SoftBank Group Corp F:SFTU $177.22 Billion €13.30
#125 Verizon Communications Inc. F:BAC $176.22 Billion €39.23

Market Capitalization of AT&T Inc. (2015–2026)

Market capitalization of AT&T Inc. from 2015 to today. Between 2015 and today, AT&T Inc.'s market cap moved from $103.27 Billion to $ 143.35 Billion, with a yearly change of 3.23%.

Year Market Cap Change (%)
2026 $143.35 Billion -15.78%
2025 $170.21 Billion +9.09%
2024 $156.03 Billion +44.08%
2023 $108.29 Billion -2.74%
2022 $111.34 Billion +5.76%
2021 $105.28 Billion -8.09%
2020 $114.55 Billion -21.37%
2019 $145.69 Billion +45.54%
2018 $100.10 Billion -22.25%
2017 $128.74 Billion -4.01%
2016 $134.12 Billion +29.87%
2015 $103.27 Billion --

End of Day Market Cap According to Different Sources

On Oct 30th, 2026 the market cap of AT&T Inc. was reported to be:

Source Market Cap
Yahoo Finance $143.35 Billion USD
MoneyControl $143.35 Billion USD
MarketWatch $143.35 Billion USD
marketcap.company $143.35 Billion USD
Reuters $143.35 Billion USD

Market cap values may vary slightly between sources due to differences in calculation methods, timing, and data refresh rates.

About AT&T Inc.

NYSE:T USA Telecom Services
Market Cap
$143.35 Billion
Market Cap Rank
#163 Global
#93 in USA
Share Price
$20.92
Change (1 day)
+1.06%
52-Week Range
$20.48 - $29.10
All Time High
$29.62
About

AT&T Inc. provides telecommunications and technology services worldwide. It operates through two segments, Communications and Latin America. The Communications segment offers wireless voice and data communications services; and sells handsets, wireless data cards, wireless computing devices, carrying cases/protective covers, and wireless chargers through its own company-owned stores, agents, and … Read more