Categories

Total Firms

Mean of Post Option Listing Variance (in percentage)

Mean of Pre Option Listing Variance (in percentage)

Change in Variance (in percentage)

T-Statistic

All Firms

166

3.19

2.85

0.34

1.007

Large Cap

88

3.51

2.41

1.10

2.082**

Mid Cap

55

2.62

3.20

−0.58

−1.40

Small Cap

23

3.29

3.67

−0.38

−0.443