Listed below are options with unusually high volume for the previous trading session compared with average daily volume. The relative level of activity is expressed in the daily volume ratio, which represents the current day's volume divided by the average daily volume for the past month.

Symbol	Call Volume	Average Call Volume	Daily Volume Ratio
C	638,977	139,714	4.57
AMLN	111,410	16,472	6.76
GOOG	100,797	36,284	2.78
GME	51,657	7,313	7.06
CF	38,308	18,258	2.10
V	22,556	11,265	2.00
AES	21,282	1,697	12.54
SMH	20,757	5,477	3.79
HOLX	20,068	2,738	7.33
ZION	17,737	3,390	5.23
ALKS	17,476	2,431	7.19
UPS	16,648	8,297	2.01
UPL	16,478	1,843	8.94
CBS	15,800	4,483	3.52
SLM	15,519	3,501	4.43
STI	14,668	5,036	2.91
NTRI	14,220	2,806	5.07
FITB	13,679	3,484	3.93
WFR	12,378	4,391	2.82
HBAN	12,228	2,200	5.56
NSM	11,743	1,248	9.41
ZMH	11,593	701	16.54
IMAX	11,105	2,837	3.91
CLNE	11,006	1,247	8.83
DVN	10,798	3,127	3.45
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