Compania Vale Rio Doce (RIO, news, chart, volatility) options are actively traded today. Shares of the Rio De Janeiro-based mining company are up 86 cents to $14.96 after gold reversed early losses and traded up $7.70 to $865.50 an ounce. 72,000 RIO calls and 42,000 puts traded. Among the day’s noteworthy trades was a January 2010 ratio call spread, where the strategist bought the 15s and sold the 20s 1600X for $1.25.