市场因子(Market Factor:an equally weighted average of all 21 commodities’ one period spot return)
时间序列动量因子(Time Series Momentum Factor: the difference in return between an equally weighted portfolio of commodities with a positive return over the previous twelve months and one with a negative return over the previous twelve months)
高/低期限风险溢价(High/Low Term Premia Factors: the average of the 2-month, 4-month, and 6-month realized term premia for the 10 commodities with above/below median basis)