Unusual Daily Option Activity

Listed below are options with unusually high volume for the most recent 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.

As Of Closing Friday, November 20, 2009

Unusual Call Option Activity Unusual Put Option Activity
Data provided by SchaeffersResearch.com
Ticker
symbol
Call Volume
Average Call Volume
Daily Volume Ratio
MDVN
22,354
1,432
15.6
DAL
35,836
3,435
10.4
MU
34,963
5,800
6.0
XTO
43,497
9,670
4.5
TRA
35,351
9,086
3.9
WLT
13,817
3,688
3.7
DELL
79,050
21,381
3.7
BMY
50,581
17,364
2.9
DHI
19,814
6,859
2.9
DTV
31,110
11,080
2.8
MRK
35,670
14,581
2.4
KO
18,931
7,942
2.4
TLT
19,160
8,277
2.3
TZA
29,606
12,810
2.3
IYR
39,150
17,163
2.3
POT
62,714
28,256
2.2
PBR
37,304
17,030
2.2
HPQ
25,805
12,215
2.1
MOS
26,128
12,379
2.1
MCD
25,757
12,831
2.0