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

Table 11

	Unexpiration day	Expiration day
IF1010
Mean	0.0926	0.0879
Std.	0.0102	0.0064
Buckets per day	42	11
IF1011
Mean	0.1057	0.1472
Std.	0.0138	0.0144
Buckets per day	12	175