Mosaic (NYSE: MOS) plans to issue its Q2 earnings on January 5. MOS is hosting an analyst meeting on January 13, 2009. January option implied volatility of 96 is below a level of 121 in mid December and above its 26-week average of 90, according to Track Data, suggesting decreasing movement compared to a two-weeks ago.

Chevron (NYSE: CVX) closed at $71.55 Monday. CVX is expected to report Q4 EPS on January 8. Crude oil futures are recently down 1.67% to $39.35 according to Bloomberg. CVX January option implied volatility of 44 is below a level of 60 from two-weeks ago and near its 26-week average according to Track Data, suggesting decreasing price movement compared to two weeks ago.

KB Home (NYSE: KBH) is scheduled to report Q4 EPS before the open on January 9. KBH January option implied volatility of 105 is below a level of 131 from two weeks and near its 26-week average of 100 according to Track Data, suggesting decreasing price movement compared to two weeks ago.

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