Stock x_i

Stock name

Degree k_i

DC_i (Hundred differentiation)

74

China Pacific Insurance

65

84.416

73

China Life Insurance

57

74.026

77

Ping An of China

53

68.831

75

Xinhua Insurance

51

66.234

78

Tianmao Group

45

58.442

76

China People’s Insurance

26

33.776