Anglogold (NYSE: AU) closed at $27.47 Thursday. Gold is recently down 3.11% to $789.20 according to Bloomberg. AU September option implied volatility of 51 is above its 26-week average of 43 according to Track Data, suggesting larger movement.

Valero Energy (NYSE: VLO) closed at $33.93 Thursday. Crude oil futures are recently down 1.64% to $113.37. VLO September option implied volatility of 53 is above its 26-week average of 47 according to Track Data, suggesting larger price movement.

Southern Peru Copper (NYSE: PCU) closed at $24 Thursday. Copper is recently down 3.80% to 326 according to Bloomberg. PCU September option implied volatility of 53 is near its 26-week average according to Track Data, suggesting non-directional price movement.

Archer Daniels (NYSE: ADM) closed at $26.62 Thursday. Corn futures are recently down 3.38% to 557.75, Soybean futures are down 2.59% to 1241 according to Track Data. ADM September option implied volatility of 44 is above its 26-week average of 40 according to Track Data, suggesting slightly larger price movement.

Option Update is provided by Stock Specialist Paul Foster of theflyonthewall.com