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

Table 12

	Unexpiration day	Expiration day
IF1011
Mean	0.0946	0.0556
Std.	0.0144	0.0021
Buckets per day	51	3
IF1012
Mean	0.1426	0.1463
Std.	0.0441	0.1046
Buckets per day	54	92