Nordstrom (NYSE: JWN) is expected to report Q2 EPS today after the market close. JWN August 30 straddle is priced at $2.90, September 30 is at $4.40. JWN September option implied volatility of 58 is above its 26-week average of 52 according to Track Data, suggesting larger price movement.

Red Robin Gourmet (NASDAQ: RRGB) is scheduled to report Q2 EPS today. RRGB August 30 straddle is priced at $2.60, September is at $5.15. RRGB September option implied volatility of 64 is above its 26-week average of 52 according to Track Data, suggesting larger price movement.

Heelys (NASDAQ: HLYS) is recently up 68 cents to $5.55 in pre-open trading. Skechers (NYSE: SKX) made an acquisition proposal to acquire HLYS for $5.25 per share ($142 million) in cash. HLYS, wheel-in-the-heel footwear marketer, closed at closed at $4.87. HLYS traded at a record high of $40.09 in February 2007. HLYS over all option implied volatility of 77 is near its 26-week average according to Track Data, suggesting non-directional price movement.

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