Oi S.A

SA:OIBR3 Brazil Telecom Services
Market Cap
$8.99 Million
R$54.76 Million BRL
Market Cap Rank
#28982 Global
#251 in Brazil
Share Price
R$0.17
Change (1 day)
+6.25%
52-Week Range
R$0.05 - R$1.27
All Time High
R$601.00
About

Oi S.A., together with its subsidiaries, provides telecommunication services in Brazil and internationally. The company offers integrated voice, broadband and pay TV, fiber optics, security, IoT, call center and telemarketing services, network services, fixed, and Wi-Fi Internet, and local and long-distance voice transmission services. It also operates a fiber optic network; and provides multimed… Read more

Market Cap & Net Worth: Oi S.A (OIBR3)

Oi S.A (SA:OIBR3) has a market capitalization of $8.99 Million (R$54.76 Million) as of March 19, 2026. Listed on the SA stock exchange, this Brazil-based company holds position #28982 globally and #251 in its home market, demonstrating a 6.25% increase in market value over the past year.

Market capitalization, also known as net worth in stock markets, is calculated by multiplying Oi S.A's stock price R$0.17 by its total outstanding shares 322103970 (322.10 Million).

Oi S.A Market Cap History: 2015 to 2026

Oi S.A's market capitalization history from 2015 to 2026. Data shows change from $12.69 Billion to $8.99 Million (-51.10% CAGR).

Oi S.A Market Cap to Earnings & Revenue Ratios Timeline

This chart shows how Oi S.A'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.

Latest Price to Sales (P/S) Ratio

0.02x

Oi S.A's market cap is 0.02 times its annual revenue

Industry average:
0.40x
Lower than industry average

Latest Price to Earnings (P/E) Ratio

0.01x

Oi S.A's market cap is 0.01 times its annual earnings

Industry average:
2.36x
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
2015 $12.69 Billion $27.35 Billion -$4.93 Billion 0.46x N/A
2016 $13.91 Billion $26.00 Billion -$6.94 Billion 0.54x N/A
2017 $19.20 Billion $23.79 Billion -$6.37 Billion 0.81x N/A
2018 $6.61 Billion $22.06 Billion $24.62 Billion 0.30x 0.27x
2019 $4.55 Billion $20.14 Billion -$9.10 Billion 0.23x N/A
2020 $11.64 Billion $10.93 Billion -$11.05 Billion 1.06x N/A
2021 $4.02 Billion $10.48 Billion -$10.43 Billion 0.38x N/A
2022 $899.14 Million $10.49 Billion -$19.27 Billion 0.09x N/A
2023 $338.50 Million $4.26 Billion -$5.43 Billion 0.08x N/A
2024 $70.87 Million $3.18 Billion $9.61 Billion 0.02x 0.01x

Competitor Companies of OIBR3 by Market Capitalization

Companies near Oi S.A in the global market cap rankings as of March 19, 2026.

Key companies related to Oi S.A by market ranking:

  • AT&T Inc (NYSE:T): Ranked #86 globally with a market cap of $179.15 Billion USD.
  • Verizon Communications Inc (NYSE:VZ): Ranked #101 globally with a market cap of $164.48 Billion USD.
  • Softbank Group Corp. (PINK:SFTBF): Ranked #116 globally with a market cap of $150.75 Billion USD.
  • Deutsche Telekom AG Na (OTCQX:DTEGF): Ranked #123 globally with a market cap of $145.64 Billion USD.

Market capitalization comparison (in billions USD)
Rank Company Symbol Market Cap Price
#86 AT&T Inc NYSE:T $179.15 Billion $27.85
#101 Verizon Communications Inc NYSE:VZ $164.48 Billion $50.52
#116 Softbank Group Corp. PINK:SFTBF $150.75 Billion $41.25
#123 Deutsche Telekom AG Na OTCQX:DTEGF $145.64 Billion $35.02

Oi S.A Historical Marketcap From 2015 to 2026

Between 2015 and today, Oi S.A's market cap moved from $12.69 Billion to $ 8.99 Million, with a yearly change of -51.10%.

Year Market Cap Change (%)
2026 R$8.99 Million 0.00%
2025 R$8.99 Million -87.31%
2024 R$70.87 Million -79.06%
2023 R$338.50 Million -62.35%
2022 R$899.14 Million -77.63%
2021 R$4.02 Billion -65.45%
2020 R$11.64 Billion +155.81%
2019 R$4.55 Billion -31.20%
2018 R$6.61 Billion -65.56%
2017 R$19.20 Billion +38.02%
2016 R$13.91 Billion +9.58%
2015 R$12.69 Billion --

End of Day Market Cap According to Different Sources

On Mar 18th, 2026 the market cap of Oi S.A was reported to be:

Source Market Cap
Yahoo Finance $8.99 Million USD
MoneyControl $8.99 Million USD
MarketWatch $8.99 Million USD
marketcap.company $8.99 Million USD
Reuters $8.99 Million USD

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