Abstract. We investigate the relation between investor sentiment and market returns in Chinese Fuel Oil Futures Markets by Vector Autoregressions(VAR)model. The sample period is from 5 September 2005 until 31 December 2006. Studies using daily datum on sentiments of professional advisors and individual investors suggest that past market returns are an important determinant of sentiment. Our evidence supports that not individual but professional sentiment has predictive power for returns. Extreme levels of sentiment do not possess any superiority in returns predictability with the exception of the individual bottom sentiment. For 1-week, 2-week and 4-week intervals, returns can weakly predict sentiment or changes. Individual sentiment severs as a contrary indicator of returns in the followed week, whereas we find no evidence for the other circumstance.