Oi (OIBR4) Stock Overview
Provides telecommunication services in Brazil and internationally. More details
| Snowflake Score | |
|---|---|
| Valuation | 2/6 |
| Future Growth | 0/6 |
| Past Performance | 0/6 |
| Financial Health | 0/6 |
| Dividends | 0/6 |
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Oi S.A. Competitors
Price History & Performance
| Historical stock prices | |
|---|---|
| Current Share Price | R$0.50 |
| 52 Week High | R$7.23 |
| 52 Week Low | R$0.34 |
| Beta | 0.66 |
| 1 Month Change | -9.09% |
| 3 Month Change | -49.49% |
| 1 Year Change | -93.09% |
| 3 Year Change | -97.52% |
| 5 Year Change | -99.70% |
| Change since IPO | -99.87% |
Recent News & Updates
Recent updates
Shareholder Returns
| OIBR4 | BR Telecom | BR Market | |
|---|---|---|---|
| 7D | 0% | 2.1% | -1.0% |
| 1Y | -93.1% | -6.2% | 14.2% |
Return vs Industry: OIBR4 underperformed the BR Telecom industry which returned -6.2% over the past year.
Return vs Market: OIBR4 underperformed the BR Market which returned 14.2% over the past year.
Price Volatility
| OIBR4 volatility | |
|---|---|
| OIBR4 Average Weekly Movement | 18.6% |
| Telecom Industry Average Movement | 3.7% |
| Market Average Movement | 4.1% |
| 10% most volatile stocks in BR Market | 8.5% |
| 10% least volatile stocks in BR Market | 1.8% |
Stable Share Price: OIBR4's share price has been volatile over the past 3 months compared to the BR market.
Volatility Over Time: OIBR4's weekly volatility (19%) has been stable over the past year, but is still higher than 75% of BR stocks.
About the Company
| Founded | Employees | CEO | Website |
|---|---|---|---|
| 1998 | n/a | Marcelo Milliet | www.oi.com.br |
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 multimedia communication services (SCM) and conditional access service (SeAC).
Oi S.A. Fundamentals Summary
| OIBR4 fundamental statistics | |
|---|---|
| Market cap | R$32.99m |
| Earnings (TTM) | -R$2.91b |
| Revenue (TTM) | R$2.83b |
Is OIBR4 overvalued?
See Fair Value and valuation analysisEarnings & Revenue
| OIBR4 income statement (TTM) | |
|---|---|
| Revenue | R$2.83b |
| Cost of Revenue | R$4.36b |
| Gross Profit | -R$1.53b |
| Other Expenses | R$1.38b |
| Earnings | -R$2.91b |
Last Reported Earnings
Jun 30, 2025
Next Earnings Date
Nov 11, 2026
| Earnings per share (EPS) | -9.00 |
| Gross Margin | -54.04% |
| Net Profit Margin | -103.00% |
| Debt/Equity Ratio | -72.3% |
How did OIBR4 perform over the long term?
See historical performance and comparisonCompany Analysis and Financial Data Status
| Data | Last Updated (UTC time) |
|---|---|
| Company Analysis | 2026/09/19 05:33 |
| End of Day Share Price | 2026/08/24 00:00 |
| Earnings | 2025/06/30 |
| Annual Earnings | 2024/12/31 |
Data Sources
The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.
| Package | Data | Timeframe | Example US Source * |
|---|---|---|---|
| Company Financials | 10 years |
| |
| Analyst Consensus Estimates | +3 years |
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| Market Prices | 30 years |
| |
| Ownership | 10 years |
| |
| Management | 10 years |
| |
| Key Developments | 10 years |
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* Example for US securities, for non-US equivalent regulatory forms and sources are used.
Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.
Analysis Model and Snowflake
Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.
Learn about the who designed and built the Simply Wall St analysis model.
Industry and Sector Metrics
Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.
Analyst Sources
Oi S.A. is covered by 16 analysts. 0 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.
| Analyst | Institution |
|---|---|
| Michel Morin | Barclays |
| Wesley Bernabe | BB Banco de Investimento S.A. |
| Robin Bienenstock | Bernstein |