Alcoa (NYSE: AA) closed at $39.12 Thursday.
AA is scheduled to report Q2 EPS on July 9.
Goldman Sach's says: "Unexpected smelter shutdown increases negative margin pressure."
AA July option implied volatility of 58 is above its 26-week average of 45 according to Track Data, suggesting larger price movement.
Volatility Index S&P 500 Options-VIX at 21.57; 10-day moving average is 22.44.
Option Update is provided by Stock Specialist Paul Foster of theflyonthewall.com









