Study on Informational Transaction and Its Effect on China's Stock Index Futures Market

Table 10

	Unexpiration day	Expiration day
IF1009
Mean	0.1033	0.0838
Std.	0.0117	0.0068
Buckets per day	61	11
IF1010
Mean	0.1094	0.1700
Std.	0.0156	0.0246
Buckets per day	9	179