Mean

SD

Skewness

Kurtosis

J-B

ADF

Q(5)

Q(10)

Hard wheat index

0.025

0.728

0.090^†

5.684^†

3575.511^†

−36.839^†

29.676^†

35.783^†

Cotton index

0.040

1.022

−0.003

6.354

2686.788^†

−27.021^†

19.311^†

37.576^†

Sugar index

0.031

1.491

−0.121^*

1.515^†

118.005^†

−23.477^†

7.835

10.399

Soybean oil index

0.056

1.569

−0.418^†

1.857^†

207.846^†

−23.819^†

5.647

15.964