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U.S. Stock Options With Biggest Changes in Implied Volatility

By Bloomberg News - Jan 17, 2013

The following are the U.S. stock options that had the biggest percentage changes in implied volatility from the previous trading day as of 11:30 a.m. in New York. This {OSCH <GO>} search was limited to options that are more than 10 days from expiration, have trading volume of at least 200 contracts and have strike prices within 5 percent of the underlying security's price.


Top Volatility Increases

                         Contract            %Chg  Impl.
Ticker    Name           Description          Vol.  Vol.   Price  %Chg  Volume
=============================================================================
BAM    BROOKFIELD   BAM US 03/16/13 C35       24.6  31.0   2.65   10.4   1685
IAG    IAMGOLD COR  IAG US 02/16/13 P11       23.8  50.6   0.65   18.2    283
VOD    VODAFONE GR  VOD US 02/16/13 C26       23.2  23.8   0.50   35.1   8002
KMI    KINDER MORG  KMI US 02/16/13 P37.5     21.7  16.4   1.10  -18.5    229
NXY    NEXEN INC    NXY US 02/16/13 P20       21.7  69.4   0.10  100.0    643
CYMI   CYMER INC    CYMI US 05/18/13 C95      20.6  29.3   5.90   84.4    253
CIM    CHIMERA INV  CIM US 03/16/13 C3        20.5  34.9   0.10  100.0    418
BID    SOTHEBY'S    BID US 07/20/13 P15       18.9  65.5   0.05    0.0    750
VOD    VODAFONE GR  VOD US 02/16/13 C25       17.0  23.5   1.00   11.1  10277
VICL   VICAL INC    VICL US 03/16/13 P2.5     16.9  84.0   0.05    0.0    213
XLE    SPDR-ENERGY  XLE US 02/16/13 C71       16.5  17.4   4.00   10.8    295
VOD    VODAFONE GR  VOD US 02/16/13 P26       16.4  22.8   0.85    6.2    813
PDLI   PDL BIOPHAR  PDLI US 08/17/13 P7       16.4  29.4   0.65    8.3    250
CYMI   CYMER INC    CYMI US 05/18/13 C100     15.8  26.8   3.50  233.3    680
SRPT   SAREPTA THE  SRPT US 02/16/13 C22.5    15.7  84.8   3.20    0.0    231
VMED   VIRGIN MEDI  VMED US 02/16/13 P35      15.7  32.4   0.30    0.0   3880
VOD    VODAFONE GR  VOD US 02/16/13 P25       15.2  22.3   0.37   23.3    327
GNK    GENCO SHIPP  GNK US 01/18/14 P1        14.9 123.8   0.10  100.0   5000
IAG    IAMGOLD COR  IAG US 02/16/13 C11       14.3  48.6   0.57    3.6    665
APL    ATLAS PIPEL  APL US 02/16/13 C31       14.0  15.2   2.30   12.2    265
NXY    NEXEN INC    NXY US 02/16/13 P21       13.3  60.1   0.10  100.0    869
CYMI   CYMER INC    CYMI US 05/18/13 P85      12.9  32.8   2.95  -18.1    970
KLAC   KLA-TENCOR   KLAC US 02/16/13 C47      12.8  30.3   4.72  100.8    286
KO     COCA-COLA C  KO US 02/16/13 P32.5      12.6  26.9   0.03  200.0   1016
NRG    NRG ENERGY   NRG US 02/16/13 P22       11.5  30.3   0.20  -33.3   2500
WU     WESTERN UNI  WU US 05/18/13 P10        11.4  39.2   0.10    0.0    269
MOS    MOSAIC CO/T  MOS US 02/16/13 P60       11.3  22.6   2.14    2.9    222
NTES   NETEASE INC  NTES US 06/22/13 P20      11.1  60.4   0.05    0.0    841
KLAC   KLA-TENCOR   KLAC US 02/16/13 P49      11.1  28.3   0.85  -59.5    267
AMD    ADV MICRO D  AMD US 02/16/13 P2.5      10.3  73.2   0.12    9.1   6284

Top Volatility Decreases



                         Contract            %Chg  Impl.
Ticker    Name           Description          Vol.  Vol.   Price  %Chg  Volume
=============================================================================
EBAY   EBAY INC     EBAY US 02/16/13 C55     -30.8  24.7   1.28   -5.2   4979
EBAY   EBAY INC     EBAY US 02/16/13 P55     -30.7  24.5   1.80  -46.8   1028
EBAY   EBAY INC     EBAY US 02/16/13 P52.5   -29.4  25.9   0.77  -61.1   1829
EBAY   EBAY INC     EBAY US 02/16/13 C52.5   -29.3  26.3   2.80   13.8   2115
EBAY   EBAY INC     EBAY US 02/16/13 C50     -26.3  28.6   4.60   13.6    279
EBAY   EBAY INC     EBAY US 02/16/13 P50     -25.2  28.1   0.29  -72.6   4925
WEN    WENDY'S CO/  WEN US 02/16/13 C5       -23.6  17.7   0.15  -25.0    441
HBAN   HUNTINGTON   HBAN US 02/16/13 C7      -22.9  17.3   0.10   66.7    922
WSM    WILLIAMS-SO  WSM US 02/16/13 C45      -21.2  25.5   0.93  -68.5    214
NTCT   NETSCOUT SY  NTCT US 02/16/13 C25     -20.9  40.7   1.70  -43.3    203
S      SPRINT NEXT  S US 01/18/14 C5         -20.3  46.4   0.78   -2.5    237
WSM    WILLIAMS-SO  WSM US 02/16/13 P42      -20.2  28.5   0.60   76.5    214
S      SPRINT NEXT  S US 02/16/13 P5.5       -17.8  18.5   0.08  -42.9    751
CRR    CARBO CERAM  CRR US 02/16/13 C70      -17.5  44.7  10.70    0.0    200
HLF    HERBALIFE L  HLF US 02/16/13 C40      -16.6  59.8   5.21  -19.9    219
BAC    BANK OF AME  BAC US 02/16/13 C11      -16.3  29.9   0.62  -34.0   5197
UNH    UNITEDHEALT  UNH US 02/16/13 C55      -15.9  18.2   0.68   -9.3    471
EBAY   EBAY INC     EBAY US 02/16/13 P45     -15.2  34.0   0.04  -81.0    824
PWER   POWER-ONE I  PWER US 02/16/13 P4      -14.7  56.6   0.27   80.0    273
HTZ    HERTZ GLOBA  HTZ US 02/16/13 P18      -14.6  23.6   0.60  -40.0    422
BAC    BANK OF AME  BAC US 02/08/13 P11.5    -14.4  29.8   0.38   31.0    328
HLF    HERBALIFE L  HLF US 02/16/13 C45      -14.4  59.3   2.60  -27.8    913
PNC    PNC FINANCI  PNC US 02/16/13 C62.5    -14.4  16.1   0.74   80.5    430
BAC    BANK OF AME  BAC US 02/08/13 C11      -14.2  30.0   0.60  -32.6    325
C      CITIGROUP I  C US 02/16/13 C43        -14.2  24.9   0.52  -55.9    889
HLF    HERBALIFE L  HLF US 02/16/13 P40      -14.1  67.3   1.60  -15.8    636
AVEO   AVEO PHARMA  AVEO US 02/16/13 P7.5    -14.1  65.7   0.45   28.6   2080
C      CITIGROUP I  C US 02/16/13 C42        -14.1  25.4   0.88  -50.0   2503
HLF    HERBALIFE L  HLF US 02/16/13 C42.5    -14.1  61.5   3.80  -24.0    519
C      CITIGROUP I  C US 02/16/13 P42        -14.0  25.1   1.55   34.8    688
SPY    SPDR S&P 50  SPY US 02/16/13 P153     -14.0   9.8   5.42   -8.9    349
C      CITIGROUP I  C US 02/16/13 C40        -13.9  26.7   2.00  -34.4   1245
C      CITIGROUP I  C US 02/16/13 C41        -13.9  26.1   1.37  -42.2   2027
C      CITIGROUP I  C US 02/16/13 P43        -13.8  24.6   2.23   37.6    320
BAC    BANK OF AME  BAC US 02/08/13 C11.5    -13.7  29.3   0.29  -46.3    801
BAC    BANK OF AME  BAC US 02/16/13 C10      -13.7  33.7   1.46  -19.8   1126
CIM    CHIMERA INV  CIM US 06/22/13 P2.5     -13.4  32.6   0.14   40.0    750
C      CITIGROUP I  C US 02/16/13 P41        -13.2  26.0   1.06   37.7   2064
UNH    UNITEDHEALT  UNH US 02/16/13 P52.5    -13.2  20.1   0.60  -33.3    291
WTSLA  WET SEAL IN  WTSLA US 02/16/13 C2.5   -12.4 622.6   0.30    0.0   1000
SVU    SUPERVALU I  SVU US 04/20/13 C2.5     -12.4  44.2   1.04    4.0    270
ERF    ENERPLUS CO  ERF US 02/16/13 C14      -12.4  24.4   0.15   50.0    205
JRCC   JAMES RIVER  JRCC US 02/16/13 C3      -12.3  72.6   0.15    0.0    344
HLF    HERBALIFE L  HLF US 02/16/13 P37.5    -12.3  71.1   0.92  -16.4   1203
HLF    HERBALIFE L  HLF US 02/16/13 P45      -12.3  65.0   3.82   -2.0    363
ASML   ASML HOLDIN  ASML US 02/16/13 P70     -12.1  26.0   3.18    0.0    856
C      CITIGROUP I  C US 02/16/13 P40        -11.9  27.0   0.69   40.8    789
FITB   FIFTH THIRD  FITB US 02/16/13 P16     -11.9  19.5   0.20  -70.2    553
SONS   SONUS NETWO  SONS US 04/20/13 C2      -11.6  52.9   0.40  -11.1    524
DECK   DECKERS OUT  DECK US 02/16/13 C37.5   -11.1  54.4   2.50  -21.9    331
NTI    NORTHERN TI  NTI US 02/16/13 C25      -10.9  32.3   1.00  -20.0    340
C      CITIGROUP I  C US 02/16/13 P39        -10.7  27.9   0.45   50.0   1439
RGR    STURM RUGER  RGR US 02/16/13 C50      -10.6  27.0   2.70   34.3    401
BAC    BANK OF AME  BAC US 02/16/13 P11      -10.6  30.6   0.21   23.5  22691
C      CITIGROUP I  C US 02/16/13 C39        -10.6  27.9   2.72  -31.1    322
HLF    HERBALIFE L  HLF US 02/16/13 P42.5    -10.5  67.1   2.56   -5.2   3470
HTZ    HERTZ GLOBA  HTZ US 02/16/13 C18      -10.3  24.0   0.40   33.3    680
EPB    EL PASO PIP  EPB US 03/16/13 C37.5    -10.2  16.5   2.10   13.5    500
SLM    SLM CORP     SLM US 04/20/13 P16      -10.1  25.2   0.44   -2.2    421
EGO    ELDORADO GO  EGO US 02/16/13 C13      -10.1  33.7   0.40  -20.0   1021
S      SPRINT NEXT  S US 08/17/13 C5         -10.1  51.9   0.66   -5.7    300

x - Ex-dividend. * - Ex-earnings.

-- Bloomberg News

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