Is it Time To Buy Pemex Bonds? they look like a Buy on Spreads, Higher Oil Prices. The 8 percent dollar-denominated securities maturing in 2019 from the largest oil producer in Latin America are yielding 64 basis points above sovereign bonds with the same maturity. A “fair value” for Pemex yields would be as little as 12 basis points higher, said RBC analyst Eduardo Suarez, who is based in Toronto and rates the state oil company’s debt “outperform.” “With the rating downgrade unc...