```
 
 
WHEAT - CHICAGO BOARD OF TRADE                                       Code-001602
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/23/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 BUSHELS)                         OPEN INTEREST:      550,790
COMMITMENTS
  81,533   98,831  150,585  277,175  237,429  509,293  486,845   41,498   63,945

CHANGES FROM 08/16/11 (CHANGE IN OPEN INTEREST:      3,391)
   3,444   -2,582    4,269   -2,871    2,588    4,842    4,275   -1,451     -884

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    14.8     17.9     27.3     50.3     43.1     92.5     88.4      7.5     11.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      415)
     112      150      178      104      127      333      356
 
 
CORN - CHICAGO BOARD OF TRADE                                        Code-002602
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/23/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 BUSHELS)                         OPEN INTEREST:    2,027,276
COMMITMENTS
 401,095   83,680  674,432  745,881  974,828  1821408  1732939  205,868  294,337

CHANGES FROM 08/16/11 (CHANGE IN OPEN INTEREST:     55,978)
   9,455    3,292   22,232   15,710   20,612   47,397   46,137    8,581    9,841

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    19.8      4.1     33.3     36.8     48.1     89.8     85.5     10.2     14.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      918)
     266      187      313      302      419      722      783
 
 
OATS - CHICAGO BOARD OF TRADE                                        Code-004603
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/23/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 BUSHELS)                         OPEN INTEREST:       15,822
COMMITMENTS
   3,243      997    1,789    7,971   11,357   13,003   14,143    2,819    1,679

CHANGES FROM 08/16/11 (CHANGE IN OPEN INTEREST:        953)
     534     -108       48      569    1,012    1,151      952     -198        2

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    20.5      6.3     11.3     50.4     71.8     82.2     89.4     17.8     10.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       43)
      18        5        6       17       12       35       23
 
 
SOYBEANS - CHICAGO BOARD OF TRADE                                    Code-005602
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/23/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 BUSHELS)                         OPEN INTEREST:      751,738
COMMITMENTS
 173,107   43,317  223,645  288,326  405,663  685,078  672,625   66,659   79,113

CHANGES FROM 08/16/11 (CHANGE IN OPEN INTEREST:     43,196)
  38,879  -11,656   17,352  -23,313   37,347   32,919   43,044   10,277      152

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    23.0      5.8     29.8     38.4     54.0     91.1     89.5      8.9     10.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      588)
     212      145      232      122      204      441      489
 
 
MINI SOYBEANS - CHICAGO BOARD OF TRADE                               Code-005603
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/23/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(Contracts of 1,000 Bushels)                         OPEN INTEREST:       23,812
COMMITMENTS
  20,501    2,599      123        8    5,899   20,632    8,621    3,180   15,191

CHANGES FROM 08/16/11 (CHANGE IN OPEN INTEREST:        550)
     254      397       -6        0      173      248      564      302      -14

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    86.1     10.9      0.5      0.0     24.8     86.6     36.2     13.4     63.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       45)
      20       10        6        1       15       21       31
 
 
SOYBEAN OIL - CHICAGO BOARD OF TRADE                                 Code-007601
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/23/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 60,000 POUNDS)                         OPEN INTEREST:      327,128
COMMITMENTS
  58,779   48,987   63,279  177,424  186,972  299,482  299,238   27,646   27,890

CHANGES FROM 08/16/11 (CHANGE IN OPEN INTEREST:     -3,135)
   2,173   -9,422    4,498  -10,292    2,717   -3,621   -2,208      486     -928

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    18.0     15.0     19.3     54.2     57.2     91.5     91.5      8.5      8.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      249)
      75       71       82       72       75      193      195
 
 
U.S. TREASURY BONDS - CHICAGO BOARD OF TRADE                         Code-020601
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/23/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $100,000 FACE VALUE)                   OPEN INTEREST:      900,529
COMMITMENTS
  62,888   96,816  139,449  535,910  512,190  738,246  748,454  162,283  152,074

CHANGES FROM 08/16/11 (CHANGE IN OPEN INTEREST:     40,378)
    -125    4,141   14,412   25,524    9,783   39,810   28,336      568   12,042

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     7.0     10.8     15.5     59.5     56.9     82.0     83.1     18.0     16.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      174)
      35       32       46       89       85      145      142
 
 
LONG-TERM U.S. TREASURY BONDS - CHICAGO BOARD OF TRADE               Code-020604
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/23/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $100,000 FACE VALUE)                   OPEN INTEREST:      423,121
COMMITMENTS
  52,166   54,839    7,948  288,398  317,046  348,512  379,834   74,609   43,287

CHANGES FROM 08/16/11 (CHANGE IN OPEN INTEREST:      1,195)
  -3,366   -3,695    2,804   -2,607   -1,847   -3,169   -2,738    4,364    3,933

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    12.3     13.0      1.9     68.2     74.9     82.4     89.8     17.6     10.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       77)
       6       11        6       44       39       55       51
 
 
CBT ETHANOL - CHICAGO BOARD OF TRADE                                 Code-025601
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/23/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 29,000 U.S. GALLONS)                   OPEN INTEREST:       10,093
COMMITMENTS
   1,036      998      610    7,804    8,088    9,450    9,696      643      397

CHANGES FROM 08/16/11 (CHANGE IN OPEN INTEREST:        457)
      19      160      164      264       77      447      401       10       56

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    10.3      9.9      6.0     77.3     80.1     93.6     96.1      6.4      3.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       38)
       9        3        5       20       26       31       32
 
 
SOYBEAN MEAL - CHICAGO BOARD OF TRADE                                Code-026603
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/23/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TONS)                              OPEN INTEREST:      211,876
COMMITMENTS
  54,181   21,739   36,826   78,571  128,072  169,578  186,636   42,297   25,239

CHANGES FROM 08/16/11 (CHANGE IN OPEN INTEREST:     21,706)
  14,118     -969    3,398   -5,633   17,105   11,884   19,533    9,822    2,173

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    25.6     10.3     17.4     37.1     60.4     80.0     88.1     20.0     11.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      203)
      73       35       53       67       68      170      138
 
 
ROUGH RICE - CHICAGO BOARD OF TRADE                                  Code-039601
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/23/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 200,000 POUNDS)                        OPEN INTEREST:       20,546
COMMITMENTS
   4,145    2,255    3,856    7,563   13,257   15,564   19,368    4,982    1,177

CHANGES FROM 08/16/11 (CHANGE IN OPEN INTEREST:        257)
    -281       56      380      232      -21      331      415      -74     -158

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    20.2     11.0     18.8     36.8     64.5     75.8     94.3     24.2      5.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       94)
      33       21       28       28       18       82       53
 
 
2-YEAR U.S. TREASURY NOTES - CHICAGO BOARD OF TRADE                  Code-042601
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/23/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $200,000 FACE VALUE)                   OPEN INTEREST:    1,017,004
COMMITMENTS
 210,053  177,348   61,863  629,622  648,845  901,538  888,057  115,466  128,947

CHANGES FROM 08/16/11 (CHANGE IN OPEN INTEREST:    -10,548)
   2,874     -431    8,884  -25,263  -26,108  -13,505  -17,655    2,957    7,107

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    20.7     17.4      6.1     61.9     63.8     88.6     87.3     11.4     12.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      263)
      49       59       35       95      133      166      205
 
 
10-YEAR U.S. TREASURY NOTES - CHICAGO BOARD OF TRADE                 Code-043602
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/23/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $100,000 FACE VALUE)                   OPEN INTEREST:    2,650,280
COMMITMENTS
 220,658  208,094  391,811  1727856  1697973  2340325  2297878  309,955  352,403

CHANGES FROM 08/16/11 (CHANGE IN OPEN INTEREST:    -16,217)
  -6,336    6,247   13,564   -9,711  -35,167   -2,483  -15,356  -13,734     -861

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     8.3      7.9     14.8     65.2     64.1     88.3     86.7     11.7     13.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      284)
      39       56       67      154      172      231      257
 
 
5-YEAR U.S. TREASURY NOTES - CHICAGO BOARD OF TRADE                  Code-044601
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/23/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $100,000 FACE VALUE)                   OPEN INTEREST:    1,670,371
COMMITMENTS
 394,296   96,575  185,507  844,793  1111688  1424595  1393769  245,776  276,602

CHANGES FROM 08/16/11 (CHANGE IN OPEN INTEREST:      2,928)
  82,687   -6,470   11,993 -105,399   -6,001  -10,718     -478   13,646    3,406

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    23.6      5.8     11.1     50.6     66.6     85.3     83.4     14.7     16.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      204)
      38       31       43       92      115      148      171
 
 
30-DAY FEDERAL FUNDS - CHICAGO BOARD OF TRADE                        Code-045601
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/23/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $5,000,000)                            OPEN INTEREST:    1,076,264
COMMITMENTS
  67,684   56,930  354,076  610,435  616,601  1032195  1027606   44,069   48,658

CHANGES FROM 08/16/11 (CHANGE IN OPEN INTEREST:    -15,931)
    -760    3,436   -9,722   -1,943   -5,142  -12,425  -11,428   -3,506   -4,503

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     6.3      5.3     32.9     56.7     57.3     95.9     95.5      4.1      4.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      145)
      27       30       42       71       78      120      132
 
 
DJIA Consolidated - CHICAGO BOARD OF TRADE                           Code-12460+
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/23/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($10 X DJIA INDEX)                                   OPEN INTEREST:       54,418
COMMITMENTS
   7,369    1,308    3,968   36,405   42,342   47,742   47,618    6,676    6,800

CHANGES FROM 08/16/11 (CHANGE IN OPEN INTEREST:     -1,854)
  -1,410   -4,772      119     -896    3,208   -2,186   -1,445      333     -409

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    13.5      2.4      7.3     66.9     77.8     87.7     87.5     12.3     12.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       84)
      21        7       11       38       31       63       47
 
 
DOW JONES INDUSTRIAL AVERAGE - CHICAGO BOARD OF TRADE                Code-124601
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/23/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($10 X DJIA INDEX)                                   OPEN INTEREST:       13,834
COMMITMENTS
   2,470    2,460       38    9,002    9,711   11,510   12,209    2,324    1,626

CHANGES FROM 08/16/11 (CHANGE IN OPEN INTEREST:        156)
      63      202        2      253      253      318      457     -162     -301

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    17.9     17.8      0.3     65.1     70.2     83.2     88.2     16.8     11.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       22)
       5        3        2        8        7       14       11
 
 
DOW JONES INDUSTRIAL AVG- x $5 - CHICAGO BOARD OF TRADE              Code-124603
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/23/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($5 X DJIA INDEX)                                    OPEN INTEREST:       81,167
COMMITMENTS
  15,820    3,717    1,838   54,805   65,263   72,463   70,818    8,703   10,348

CHANGES FROM 08/16/11 (CHANGE IN OPEN INTEREST:     -4,019)
  -2,838   -9,839      126   -2,298    5,910   -5,009   -3,802      990     -217

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    19.5      4.6      2.3     67.5     80.4     89.3     87.3     10.7     12.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       78)
      20        7        9       35       29       57       43
 
 
DOW JONES UBS EXCESS RETURN - CHICAGO BOARD OF TRADE                 Code-221602
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/23/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($100 X INDEX)                                       OPEN INTEREST:       12,255
COMMITMENTS
   5,246    6,971    1,456    4,976    3,813   11,678   12,240      577       15

CHANGES FROM 08/16/11 (CHANGE IN OPEN INTEREST:      1,416)
    -542      796      606    1,329        0    1,393    1,402       23       14

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    42.8     56.9     11.9     40.6     31.1     95.3     99.9      4.7      0.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       24)
       9       11        2        3        1       14       12
 
 
INTEREST RATE SWAPS 10YR - CHICAGO BOARD OF TRADE                    Code-246602
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/23/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $100,000)                              OPEN INTEREST:       12,547
COMMITMENTS
   2,112      412        0   10,098   12,072   12,210   12,484      337       63

CHANGES FROM 08/16/11 (CHANGE IN OPEN INTEREST:       -796)
  -1,068        1       -6      293     -793     -781     -798      -15        2

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    16.8      3.3      0.0     80.5     96.2     97.3     99.5      2.7      0.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       31)
       9        3        0        7       13       16       16
 
 
INTEREST RATE SWAPS 5YR - CHICAGO BOARD OF TRADE                     Code-247602
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/23/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $100,000)                              OPEN INTEREST:       20,716
COMMITMENTS
   2,858    1,316        4   17,529   19,331   20,391   20,651      325       65

CHANGES FROM 08/16/11 (CHANGE IN OPEN INTEREST:       -512)
    -163     -253        4     -437     -283     -596     -532       84       20

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    13.8      6.4      0.0     84.6     93.3     98.4     99.7      1.6      0.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       34)
      11        4        1        6       13       17       18
```

----

Updated August 26, 2011