Sun Microsystems (NASDAQ: SUNW) volatility elevated into 9/5 financial analyst meeting.

SUNW is flat at $4.86. SUNW, which will change its symbol to JAVA on 8/27, will have an analyst meeting in New York on 9/5/07. The company has announced a $3 billion stock buyback on 5/16/07. SUNW recent market cap is $17.3 billion. SUNW over all option implied volatility of 45 is above its 26-week average of 38 according to Track Data, suggesting larger price risk.

Rackable Systems (NASDAQ: RACK) volatility flat on renewed buyout chatter.

RACK, a provider of servers and storage products, is recently up $0.65 to $12.62 on unconfirmed and renewed deal speculation. SUNW & DELL have been frequently chattered as interested in RACK. RACK call option volume of 2,690 contracts compares to put volume of 250 contracts. RACK September option implied volatility is at 47, October is at 51 and December is at 56, above its 26-week average of 55 according to Track Data, suggesting non-directional and less price risk.

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