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

$6.32 Million USD  · R$32.21 Million BRL  · Rank #28210

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

Oi S.A (SA:OIBR3) has a market capitalization of $6.32 Million (R$32.21 Million) as of September 24, 2026. Listed on the SA stock exchange, this Brazil-based company holds position #28210 globally and #218 in its home market, demonstrating a 0.00% 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$0.10 by its total outstanding shares 322103970 (322.10 Million). Also see Oi S.A assets under control for a full breakdown of the balance sheet.

Oi S.A Market Cap History: 2015 to 2026

Oi S.A's market capitalization history from 2015 to 2026. Data shows change from $15.17 Billion to $6.32 Million (-51.81% CAGR). Also see Oi S.A operating cash flow efficiency for how efficiently the company converts equity into cash flow.

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. Check latest Oi S.A stock price today for real-time trading data and today's change.

Latest Price to Sales (P/S) Ratio

0.03x

Oi S.A's market cap is 0.03 times its annual revenue

Industry average: 1.22x 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: 7.28x 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 $15.17 Billion $27.35 Billion -$4.93 Billion 0.55x N/A
2016 $16.62 Billion $26.00 Billion -$6.94 Billion 0.64x N/A
2017 $22.94 Billion $23.79 Billion -$6.37 Billion 0.96x N/A
2018 $7.90 Billion $22.06 Billion $24.62 Billion 0.36x 0.32x
2019 $5.44 Billion $20.14 Billion -$9.10 Billion 0.27x N/A
2020 $13.90 Billion $10.93 Billion -$11.05 Billion 1.27x N/A
2021 $4.80 Billion $10.48 Billion -$10.43 Billion 0.46x N/A
2022 $1.07 Billion $10.49 Billion -$19.27 Billion 0.10x N/A
2023 $404.50 Million $4.26 Billion -$5.43 Billion 0.09x N/A
2024 $84.69 Million $3.18 Billion $9.61 Billion 0.03x 0.01x

Competitor Companies of OIBR3 by Market Capitalization

Companies near Oi S.A in the global market cap rankings as of September 24, 2026. Review Oi S.A (OIBR3) tangible equity ratio to assess the quality of the company's equity after excluding intangible assets.

Key companies related to Oi S.A 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 #110 globally with a market cap of $192.99 Billion USD.
  • SoftBank Group Corp (F:SFTU): Ranked #125 globally with a market cap of $180.08 Billion USD ( €154.03 Billion EUR).
  • T-Mobile US Inc (NASDAQ:TMUS): Ranked #127 globally with a market cap of $178.86 Billion USD.
Market capitalization comparison (in billions USD)
Rank Company Symbol Market Cap Price
#108 Verizon Communications Inc SA:VERZ34 $195.66 Billion R$39.41
#110 Verizon Communications Inc NYSE:VZ $192.99 Billion $46.45
#125 SoftBank Group Corp F:SFTU $180.08 Billion €18.90
#127 T-Mobile US Inc NASDAQ:TMUS $178.86 Billion $165.27

Oi S.A Historical Marketcap From 2015 to 2026

Between 2015 and today, Oi S.A's market cap moved from $15.17 Billion to $ 6.32 Million, with a yearly change of -51.81%.

Year Market Cap Change (%)
2026 R$6.32 Million -41.18%
2025 R$10.74 Million -87.31%
2024 R$84.69 Million -79.06%
2023 R$404.50 Million -62.35%
2022 R$1.07 Billion -77.63%
2021 R$4.80 Billion -65.45%
2020 R$13.90 Billion +155.81%
2019 R$5.44 Billion -31.20%
2018 R$7.90 Billion -65.56%
2017 R$22.94 Billion +38.02%
2016 R$16.62 Billion +9.58%
2015 R$15.17 Billion --

End of Day Market Cap According to Different Sources

On Sep 23rd, 2026 the market cap of Oi S.A was reported to be:

Source Market Cap
Yahoo Finance $6.32 Million USD
MoneyControl $6.32 Million USD
MarketWatch $6.32 Million USD
marketcap.company $6.32 Million USD
Reuters $6.32 Million USD

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

About Oi S.A

SA:OIBR3 Brazil Telecom Services
Market Cap
$6.32 Million
R$32.21 Million BRL
Market Cap Rank
#28210 Global
#218 in Brazil
Share Price
R$0.10
Change (1 day)
+0.00%
52-Week Range
R$0.05 - R$0.54
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