The chart with NYSE price trends indeed shows that PBR has risen more steeply than Exxon, Chevron or Shell, but this is the price of ADR which has been impacted by the rise in value of Real versus US Dollar. It would be interesting to see the same chart in original currencies, in other words to use the stock price of Petrobras in Sao Paulo exchange (PETR3/PETR4). Would the price growth still be faster than with Exxon or Chevron?
Petrobras: Extremely Overvalued [View article]