变量名称

观测数量

平均值

标准差

最小值

最大值

spread

26,259

1.054

1.430

0.04

37.18

volume

26,259

6,372,824

14,200,000

159,931

335,000,000

daytimenumber

27,180

0.952

2.082

0

92

overnightnumber

27,180

2.415

4.417

0

101

number

27,000

3.373

5.393

0

103

size

26,259

69,952.23

226,158.1

1715.2

2,123,320

followerpctg

27,180

0.001

0.093

−0.998

13.055

insitihold

26,259

0.757

0.166

0.081

1.330