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

By Bloomberg News - Jun 3, 2011

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
=============================================================================
EBIX   EBIX INC     EBIX US 06/18/11 P17.5    99.5  91.7   1.60  357.1    636
EBIX   EBIX INC     EBIX US 07/16/11 P18      82.8  75.8   1.80  125.0    330
NLY    ANNALY CAPI  NLY US 07/16/11 C17       60.0  19.9   1.22    2.5   1272
PSDV   PSIVIDA COR  PSDV US 01/21/12 C2.5     46.5 138.2   2.65   26.2    427
SPWRB  SUNPOWER CO  SPWRB US 06/18/11 P20     43.9  71.3   0.95   58.3    430
ZIOP   ZIOPHARM ON  ZIOP US 07/16/11 C5       41.1  89.2   2.15   22.9    555
HRB    H&R BLOCK I  HRB US 06/18/11 P17       39.8  38.9   1.10  -12.0    480
EBAY   EBAY INC     EBAY US 07/16/11 C20      34.5  63.7  10.80    2.9    261
VALE   VALE SA-SP   VALE US 08/20/11 C20      32.4  49.2  11.65    8.9    369
EBIX   EBIX INC     EBIX US 06/18/11 P16      30.9  87.2   0.65  550.0    640
MNTA   MOMENTA PHA  MNTA US 06/18/11 C20      29.5  57.4   0.50   -9.1    216
AMSC   AMER SUPERC  AMSC US 06/18/11 P6       28.6 153.1   0.20  100.0   2294
XLI    SPDR-INDU S  XLI US 06/18/11 P38       28.1  23.2   2.21   19.5  10002
SPWRB  SUNPOWER CO  SPWRB US 06/18/11 P19     27.6  73.4   0.45   28.6    241
DV     DEVRY INC    DV US 06/18/11 C55        26.6  43.1   6.60   -4.3    224
NLY    ANNALY CAPI  NLY US 06/18/11 C18       26.1  11.7   0.28   21.7    909
EBIX   EBIX INC     EBIX US 09/17/11 P15      24.7  66.8   1.40  133.3    507
PPL    PPL CORPORA  PPL US 07/16/11 C25       23.6  28.6   2.60  -18.8    354
SPWRB  SUNPOWER CO  SPWRB US 06/18/11 C21     22.5  24.6   0.35   75.0    219
AMSC   AMER SUPERC  AMSC US 06/18/11 P7       21.9 123.3   0.34   25.9    686
MYGN   MYRIAD GENE  MYGN US 11/19/11 P22      21.8  47.1   1.70  -42.4    559
DRYS   DRYSHIPS IN  DRYS US 06/18/11 C3.5     21.5  64.8   0.68   70.0    804
LIFE   LIFE TECHNO  LIFE US 06/18/11 P50      21.3  34.0   1.00   81.8    282
MDT    MEDTRONIC I  MDT US 06/18/11 P41       19.6  22.4   1.98    4.2    505
EBIX   EBIX INC     EBIX US 09/17/11 P17      19.4  59.7   1.90   65.2    361
FRX    FOREST LABS  FRX US 08/20/11 C27       19.4  31.8   9.70    9.0    450
AKS    AK STEEL HL  AKS US 06/18/11 P15       19.2  47.7   0.54   -6.9   1003
AKS    AK STEEL HL  AKS US 06/18/11 C14       17.2  49.5   1.25   26.3    255
MO     ALTRIA GROU  MO US 06/18/11 C25        17.1  31.3   2.62    1.2    797
MWV    MEADWESTVAC  MWV US 06/18/11 C32.5     16.6  31.1   0.85  -39.3    550
MYGN   MYRIAD GENE  MYGN US 11/19/11 P21      16.4  48.2   1.40    0.0    505
AMT    AMERICAN TO  AMT US 06/18/11 P52.5     16.4  31.2   1.23  173.3   1261
YONG   YONGYE INTE  YONG US 06/18/11 C5       16.4  88.0   0.30  -25.0    304
ANAD   ANADIGICS I  ANAD US 10/22/11 P2.5     16.3  73.7   0.20   33.3    400
JKS    JINKOSOLAR-  JKS US 06/18/11 C22.5     15.8  51.5   2.35  -20.3    500
AKS    AK STEEL HL  AKS US 07/16/11 C12       15.6  54.1   3.20    0.0    485
BRCD   BROCADE COM  BRCD US 06/18/11 P7       15.5  83.5   0.34   -8.1  10958
HERO   HERCULES OF  HERO US 10/22/11 P4.5     15.5  71.7   0.37   23.3    333
CLSN   CELSION COR  CLSN US 10/22/11 C2.5     15.5  56.2   0.65    0.0    748
AMT    AMERICAN TO  AMT US 06/18/11 C55       15.2  27.8   0.30  -62.5    428
ITW    ILLINOIS TO  ITW US 06/18/11 C57.5     14.8  20.6   0.43    7.5   8708
T      AT&T INC     T US 06/18/11 C32         14.6  16.8   0.06    0.0    422
EBIX   EBIX INC     EBIX US 09/17/11 P16      14.4  59.0   1.50   87.5    347
AKS    AK STEEL HL  AKS US 06/18/11 P14       14.3  47.4   0.17   -5.6    654
AMG    AFFIL MANAG  AMG US 09/17/11 P75       13.5  46.3   1.15   27.8    291
LCC    US AIRWAYS   LCC US 06/18/11 P8        13.5  66.0   0.08   14.3    493
MWE    MARKWEST EN  MWE US 08/20/11 C45       13.3  28.0   3.30    3.1    250
LUV    SOUTHWEST A  LUV US 06/18/11 P12       13.2  29.9   0.60   33.3    647
SDS    PROSHARES U  SDS US 06/18/11 C19       12.8  32.4   2.31   12.7    275
STP    SUNTECH POW  STP US 06/18/11 P8        12.8  64.7   0.52    0.0    248
JBLU   JETBLUE AIR  JBLU US 07/16/11 P5       12.7  50.4   0.10    0.0    350
BRCD   BROCADE COM  BRCD US 07/16/11 C6       12.7  61.3   1.46   12.3    244
WHR    WHIRLPOOL C  WHR US 06/18/11 P80       12.3  26.1   2.56  156.0    896
NRG    NRG ENERGY   NRG US 06/18/11 P24       12.3  29.8   0.50   -9.1    225
PANL   UNIVERSAL D  PANL US 06/18/11 C40      12.2  78.6   3.40   30.8    525
DRYS   DRYSHIPS IN  DRYS US 09/17/11 P3.5     12.2  52.3   0.17  -22.7    300
NYT    NEW YORK TI  NYT US 07/16/11 P8        12.1  50.4   0.55  -35.3    299
STP    SUNTECH POW  STP US 07/16/11 P7        12.1  65.4   0.36   44.0   3041
IPG    INTERPUBLIC  IPG US 10/22/11 P8        12.0  47.3   0.25    0.0    500
CZZ    COSAN LTD -  CZZ US 12/17/11 P12.5     11.9  39.1   1.55  -22.5   2267
BRCD   BROCADE COM  BRCD US 06/18/11 C7       11.9  82.8   0.59   20.4   1816
TTWO   TAKE-TWO IN  TTWO US 06/18/11 P15      11.9  44.3   0.10    0.0    972
SFI    ISTAR FINAN  SFI US 06/18/11 P8        11.9  40.9   0.25   66.7    500
FRX    FOREST LABS  FRX US 06/18/11 C38       11.5  29.2   0.35   75.0    273
BRCD   BROCADE COM  BRCD US 07/16/11 P6       11.4  61.6   0.13    8.3   1101
AIZ    ASSURANT IN  AIZ US 07/16/11 C35       11.4  26.1   1.75  -12.5   1000
WHR    WHIRLPOOL C  WHR US 06/18/11 C80       11.3  26.4   0.93  -56.3    743
BHI    BAKER HUGHE  BHI US 06/18/11 P67.5     11.2  41.9   0.19  -40.6    584
ZIOP   ZIOPHARM ON  ZIOP US 10/22/11 C5       11.0  67.8   2.45   10.4    500
AMT    AMERICAN TO  AMT US 07/16/11 C55       11.0  25.1   0.85  -43.3    222
AMT    AMERICAN TO  AMT US 07/16/11 C52.5     10.9  27.3   1.90  -42.1    928
VVUS   VIVUS INC    VVUS US 06/18/11 C8       10.9  47.7   0.22  -63.3    421
AAPL   APPLE INC    AAPL US 06/18/11 C280     10.9  53.0  64.20   -3.5    213
DRYS   DRYSHIPS IN  DRYS US 07/16/11 C4       10.8  52.0   0.38  123.5   2077
BMY    BRISTOL-MYE  BMY US 06/18/11 C29       10.6  28.3   0.24   -4.0   2977
MMR    MCMORAN EXP  MMR US 06/18/11 P18       10.5  46.6   0.96   28.0   1983
AMSC   AMER SUPERC  AMSC US 07/16/11 P7       10.4 105.8   0.70   27.3   5528
DRYS   DRYSHIPS IN  DRYS US 06/18/11 P4       10.1  48.3   0.09  -57.1    402

Top Volatility Decreases



                         Contract            %Chg  Impl.
Ticker    Name           Description          Vol.  Vol.   Price  %Chg  Volume
=============================================================================
BLC    BELO CORP-A  BLC US 06/18/11 C7.5     -61.5  43.2   0.20  -83.3    200
WMT    WAL-MART ST  WMT US 07/16/11 C45      -54.7  19.8   8.55    0.0    226
NWL    NEWELL RUBB  NWL US 06/18/11 C15      -53.8  31.3   0.35    0.0   1669
FXE    CRYSHS-EURO  FXE US 06/18/11 P152     -49.2   8.8   7.30  -28.1    500
OREX   OREXIGEN TH  OREX US 06/18/11 P2      -46.4 123.0   0.10    0.0    559
NWL    NEWELL RUBB  NWL US 06/18/11 P13      -45.5  50.6   0.75    0.0    250
ID     L-1 IDENTIT  ID US 06/18/11 C11       -37.6  36.0   0.45  -25.0    901
XLE    SPDR-ENERGY  XLE US 06/18/11 C70      -35.3  17.7   5.30  -13.1    800
NWL    NEWELL RUBB  NWL US 06/18/11 P15      -34.3  33.9   0.40  166.7    844
NWL    NEWELL RUBB  NWL US 07/16/11 C15      -32.0  31.9   0.65    0.0    532
DIA    SPDR DJIA T  DIA US 06/18/11 P126     -28.7   8.9   4.66   19.5   2445
MDCO   MEDICINES C  MDCO US 06/18/11 C18     -26.5  39.1   0.60  -61.3    200
XOM    EXXON MOBIL  XOM US 06/18/11 C60      -26.1  54.0  20.90   -2.8    212
ZQK    QUIKSILVER   ZQK US 07/16/11 C5       -24.4  41.2   0.15    0.0   1061
ID     L-1 IDENTIT  ID US 06/18/11 P10       -23.1  62.3   0.10  -71.4   1325
EK     EASTMAN KOD  EK US 06/18/11 C3        -22.7  59.7   0.33   -8.3   1302
QQQ    POWERSH-QQQ  QQQ US 06/18/11 P59      -22.6  11.4   2.34   15.8   1622
VXX    IPATH-S&P S  VXX US 06/18/11 C20      -21.0  39.6   2.33   -8.6    563
XOM    EXXON MOBIL  XOM US 07/16/11 C60      -18.3  42.2  20.95    0.5    208
SPY    SPDR S&P 50  SPY US 06/30/11 P137     -18.2  10.2   6.63    9.6   4095
SPY    SPDR S&P 50  SPY US 06/18/11 P135     -18.2  10.7   4.86   16.3   2958
PAY    VERIFONE SY  PAY US 06/18/11 C48      -17.8  47.2   0.95  -47.2    782
UCO    PRSH-ULT CR  UCO US 06/18/11 C40      -17.7  40.0   6.90  -33.6    250
KMB    KIMBERLY-CL  KMB US 06/18/11 P62.5    -17.7  16.8   0.10   42.9    500
GSG    ISHARES S&P  GSG US 07/16/11 P31      -17.3  30.6   0.15  -57.1    200
PAY    VERIFONE SY  PAY US 06/18/11 P47      -17.1  48.4   2.55   15.9    203
PAY    VERIFONE SY  PAY US 06/18/11 P46      -16.6  49.0   1.85    5.7    801
XLF    SPDR-FINL S  XLF US 06/18/11 C15      -16.2  18.9   0.40  -14.9   2644
PAY    VERIFONE SY  PAY US 06/18/11 C47      -16.1  48.6   1.30  -43.5    314
SPY    SPDR S&P 50  SPY US 06/18/11 P134     -15.7  12.0   3.99   18.8  10627
SPLS   STAPLES INC  SPLS US 07/16/11 P14     -15.6  30.9   0.05    0.0    227
XLF    SPDR-FINL S  XLF US 06/18/11 P15      -15.3  18.9   0.13  -18.8  46797
PAY    VERIFONE SY  PAY US 06/18/11 P45      -15.1  49.7   1.50   15.4    607
LYG    LLOYDS BANK  LYG US 01/21/12 P3       -14.1  35.9   0.30    0.0    200
XCO    EXCO RESOUR  XCO US 06/18/11 C20      -13.8  26.2   0.20  -53.5   6372
PAY    VERIFONE SY  PAY US 06/18/11 P43      -13.4  52.4   0.75    7.1    229
VXX    IPATH-S&P S  VXX US 06/18/11 C21      -13.3  46.2   1.64   -3.5    885
MKSI   MKS INSTRUM  MKSI US 06/18/11 P25     -13.2  35.8   0.80   33.3    234
ZSL    PRSH-ULTSH   ZSL US 06/18/11 P15      -12.2  90.1   0.25  -16.7    207
QQQ    POWERSH-QQQ  QQQ US 06/18/11 P58      -11.6  13.9   1.49   14.6  41873
MET    METLIFE INC  MET US 06/18/11 P38      -11.5  35.3   0.13    8.3    311
SPY    SPDR S&P 50  SPY US 06/18/11 P133     -11.5  13.1   3.20   17.2  12382
SPY    SPDR S&P 50  SPY US 06/18/11 P132     -11.2  13.9   2.52   16.1  33844
SIRI   SIRIUS XM R  SIRI US 01/21/12 C1      -10.7  52.4   1.22   -2.4    685
IMAX   IMAX CORP    IMAX US 06/18/11 C37     -10.6  34.0   1.25   25.0    303
IWM    ISHARES-RUS  IWM US 06/18/11 P85      -10.4  19.2   3.69   10.8    504
XLK    SPDR-TECH S  XLK US 06/18/11 P25      -10.4  17.9   0.13   18.2    301
FXI    ISHARES FTS  FXI US 06/18/11 P39      -10.4  30.7   0.03   50.0    327
IWM    ISHARES-RUS  IWM US 06/18/11 P82      -10.3  21.0   1.70   13.3  29530
NWL    NEWELL RUBB  NWL US 07/16/11 P15      -10.3  31.1   0.65    0.0    376
CNQR   CONCUR TECH  CNQR US 11/19/11 P40     -10.3  34.3   1.44    2.9    200
IWM    ISHARES-RUS  IWM US 06/18/11 P83      -10.1  20.4   2.27   12.4  23300
TROW   T ROWE PRIC  TROW US 06/18/11 P60     -10.1  23.8   1.75   20.7    662
IWM    ISHARES-RUS  IWM US 06/18/11 P84      -10.1  19.7   2.99   15.0   3023
TZA    SMALL CAP B  TZA US 06/18/11 C33      -10.1  55.2   4.45   20.3    828
VXX    IPATH-S&P S  VXX US 06/18/11 C22      -10.1  52.2   1.08  -13.6    749
FXC    CRYSHS-CAN   FXC US 06/18/11 C103     -10.0   7.8   0.20  -20.0    760

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

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