Petro Rio S.A. (SA:PRIO3) — Market Cap & Net Worth

$10.57 Billion USD  · R$53.85 Billion BRL  · Rank #2151

Market Cap & Net Worth: Petro Rio S.A. (PRIO3)

Petro Rio S.A. (SA:PRIO3) has a market capitalization of $10.57 Billion (R$53.85 Billion) as of May 2, 2026. Listed on the SA stock exchange, this Brazil-based company holds position #2151 globally and #28 in its home market, demonstrating a 5.92% increase in market value over the past year.

Market capitalization, also known as net worth in stock markets, is calculated by multiplying Petro Rio S.A.'s stock price R$66.41 by its total outstanding shares 810803501 (810.80 Million). Analyse Petro Rio S.A. cash flow conversion to see how efficiently the company converts income to cash.

Petro Rio S.A. Market Cap History: 2015 to 2026

Petro Rio S.A.'s market capitalization history from 2015 to 2026. Data shows growth from $38.91 Million to $10.57 Billion (73.19% CAGR).

Index Memberships

Petro Rio S.A. is a constituent of 4 market indices:

Index Total Market Cap Weight (%) Rank by Market Cap
BOVESPA Index
BVSP
$609.60 Billion 1.73% #16 of 80
Bovespa Brazil 50
IBX50
$515.79 Billion 2.05% #13 of 50
SAO PAULO SE IBX50 INDEX
IBXL
$491.69 Billion 2.15% #12 of 50
SAO PAULO SE IGCX INDEX
IGCX
$622.91 Billion 1.70% #14 of 155

Weight: Petro Rio S.A.'s market cap as a percentage of total index value. Rank: Position among all constituents by market cap.

Petro Rio S.A. Market Cap to Earnings & Revenue Ratios Timeline

This chart shows how Petro Rio 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

0.44x

Petro Rio S.A.'s market cap is 0.44 times its annual revenue

Industry average: 37.61x Lower than industry average

Latest Price to Earnings (P/E) Ratio

0.62x

Petro Rio S.A.'s market cap is 0.62 times its annual earnings

Industry average: 367.89x 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 $38.91 Million $253.07 Million $110.42 Million 0.15x 0.35x
2016 $69.19 Million $397.87 Million $241.62 Million 0.17x 0.29x
2017 $259.85 Million $533.92 Million $50.85 Million 0.49x 5.11x
2018 $315.12 Million $848.92 Million $204.88 Million 0.37x 1.54x
2019 $1.05 Billion $1.64 Billion $842.35 Million 0.64x 1.25x
2020 $2.23 Billion $1.90 Billion $452.77 Million 1.17x 4.92x
2021 $3.28 Billion $4.40 Billion $1.33 Billion 0.75x 2.46x
2022 $5.91 Billion $6.36 Billion $3.43 Billion 0.93x 1.72x
2023 $7.33 Billion $11.91 Billion $5.18 Billion 0.62x 1.41x
2024 $6.39 Billion $14.36 Billion $10.30 Billion 0.44x 0.62x

Competitor Companies of PRIO3 by Market Capitalization

Companies near Petro Rio S.A. in the global market cap rankings as of May 2, 2026.

Key companies related to Petro Rio S.A. by market ranking:

  • ConocoPhillips (NYSE:COP): Ranked #149 globally with a market cap of $150.15 Billion USD.
  • Canadian Natural Resources Ltd (TO:CNQ): Ranked #260 globally with a market cap of $96.26 Billion USD ( CA$133.07 Billion CAD).
  • EOG Resources Inc (NYSE:EOG): Ranked #401 globally with a market cap of $65.92 Billion USD.
  • Diamondback Energy Inc (NASDAQ:FANG): Ranked #500 globally with a market cap of $52.60 Billion USD.
Market capitalization comparison (in billions USD)
Rank Company Symbol Market Cap Price
#149 ConocoPhillips NYSE:COP $150.15 Billion $123.19
#260 Canadian Natural Resources Ltd TO:CNQ $96.26 Billion CA$63.88
#401 EOG Resources Inc NYSE:EOG $65.92 Billion $138.95
#500 Diamondback Energy Inc NASDAQ:FANG $52.60 Billion $207.65

Petro Rio S.A. Historical Marketcap From 2015 to 2026

Between 2015 and today, Petro Rio S.A.'s market cap moved from $38.91 Million to $ 10.57 Billion, with a yearly change of 73.19%.

Year Market Cap Change (%)
2026 R$10.57 Billion +60.33%
2025 R$6.59 Billion +3.16%
2024 R$6.39 Billion -12.81%
2023 R$7.33 Billion +23.96%
2022 R$5.91 Billion +80.02%
2021 R$3.28 Billion +47.24%
2020 R$2.23 Billion +112.31%
2019 R$1.05 Billion +233.27%
2018 R$315.12 Million +21.27%
2017 R$259.85 Million +275.56%
2016 R$69.19 Million +77.80%
2015 R$38.91 Million --

End of Day Market Cap According to Different Sources

On May 2nd, 2026 the market cap of Petro Rio S.A. was reported to be:

Source Market Cap
Yahoo Finance $10.57 Billion USD
MoneyControl $10.57 Billion USD
MarketWatch $10.57 Billion USD
marketcap.company $10.57 Billion USD
Reuters $10.57 Billion USD

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

About Petro Rio S.A.

SA:PRIO3 Brazil Oil & Gas E&P
Market Cap
$10.57 Billion
R$53.85 Billion BRL
Market Cap Rank
#2151 Global
#28 in Brazil
Share Price
R$66.41
Change (1 day)
+0.05%
52-Week Range
R$34.20 - R$72.10
All Time High
R$72.10
About

Prio S.A., together with its subsidiaries, engages in the exploration, development, and production of oil and natural gas properties in Brazil and internationally. It holds a 100% interest in the Polvo Field covering an area of approximately 134 square kilometers located in the southern portion of the Campos Basin, Rio de Janeiro; and the Frade Field that consists of approximately 154 square kilo… Read more