If the oil options market is to be believed, the risk of an abrupt, dramatic move in crude prices has rarely been lower. Even as traders warn that a shock attack on Iran, a release of emergency oil reserves or a slowdown in Chinese growth could roil the market at any time, options prices suggest that demand for protection from such risks has fallen away. The Chicago Board Options Exchange's Oil Volatility Index .OVX -- a measure of fear or optimism in the market -- has dropped more than a third this year to its lowest since the outbreak of fighting in Libya in February 2011, and is close to the weakest level since ... (full story)