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

Table 9

	Unexpiration day	Expiration day
IF1008
Mean	0.1065	0.0879
Std.	0.0145	0.0019
Buckets per day	69	5
IF1009
Mean	0.1410	0.1754
Std.	0.0404	0.0185
Buckets per day	53	250