衍生

问题如下：

For identical assets and maturities, when are long futures contracts typically favored over long forwards?

选项：

A.With negative correlation between futures prices and interest rates B.With no correlation between futures prices and interest rates C.With positive correlation between futures prices and interest rates

解释：

Long futures may be preferred when prices and interest rates are positively correlated, as futures can be adjusted daily for interest rate movements.当futures price和利率正相关时，futures price大于forward contract。