```
 
 
WHEAT - CHICAGO BOARD OF TRADE                                       Code-001602
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 BUSHELS)                         OPEN INTEREST:      524,875
COMMITMENTS
 110,100  138,047  119,996  265,033  213,032  495,128  471,075   29,747   53,800

CHANGES FROM 04/24/12 (CHANGE IN OPEN INTEREST:    -27,829)
   5,241  -11,011   -4,871  -24,523   -8,584  -24,153  -24,465   -3,676   -3,364

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    21.0     26.3     22.9     50.5     40.6     94.3     89.7      5.7     10.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      392)
     103      162      141       82      112      275      335
 
 
CORN - CHICAGO BOARD OF TRADE                                        Code-002602
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 BUSHELS)                         OPEN INTEREST:    1,684,519
COMMITMENTS
 327,985  167,474  478,992  720,759  749,359  1527736  1395825  156,783  288,694

CHANGES FROM 04/24/12 (CHANGE IN OPEN INTEREST:    -55,107)
   8,346   -6,020  -17,759  -36,139   -8,736  -45,552  -32,515   -9,556  -22,592

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    19.5      9.9     28.4     42.8     44.5     90.7     82.9      9.3     17.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      740)
     201      169      255      242      329      561      646
 
 
CORN CSO - CHICAGO BOARD OF TRADE                                    Code-00260C
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 BUSHELS)                         OPEN INTEREST:        8,322
COMMITMENTS
   3,076    1,271    3,573    1,463    3,045    8,112    7,888      210      434

CHANGES FROM 04/24/12 (CHANGE IN OPEN INTEREST:        333)
     615      184     -445      450      705      621      444     -287     -111

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    37.0     15.3     42.9     17.6     36.6     97.5     94.8      2.5      5.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       22)
      10        4        7        6        7       16       18
 
 
OATS - CHICAGO BOARD OF TRADE                                        Code-004603
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 BUSHELS)                         OPEN INTEREST:       11,292
COMMITMENTS
   2,842      598      404    5,857    8,810    9,103    9,812    2,189    1,480

CHANGES FROM 04/24/12 (CHANGE IN OPEN INTEREST:       -286)
     362       73        1     -532     -213     -169     -138     -117     -148

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    25.2      5.3      3.6     51.9     78.0     80.6     86.9     19.4     13.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       36)
      11        8        5       15       11       30       20
 
 
SOYBEANS - CHICAGO BOARD OF TRADE                                    Code-005602
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 BUSHELS)                         OPEN INTEREST:    1,112,165
COMMITMENTS
 306,557   46,794  355,603  376,775  597,598  1038935  999,995   73,230  112,170

CHANGES FROM 04/24/12 (CHANGE IN OPEN INTEREST:     34,850)
  13,647    1,816   31,441   -8,113    5,952   36,975   39,209   -2,125   -4,359

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    27.6      4.2     32.0     33.9     53.7     93.4     89.9      6.6     10.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      641)
     247      138      250      170      223      536      514
 
 
SOYBEAN CSO - CHICAGO BOARD OF TRADE                                 Code-005606
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 BUSHELS)                         OPEN INTEREST:       14,851
COMMITMENTS
   1,557    1,520    7,952    4,830    4,992   14,339   14,465      512      386

CHANGES FROM 04/24/12 (CHANGE IN OPEN INTEREST:      1,859)
    -504       54    1,005    1,351      751    1,852    1,810        6       48

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    10.5     10.2     53.5     32.5     33.6     96.6     97.4      3.4      2.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       25)
       7        5       10        8       12       18       24
 
 
SOYBEAN OIL - CHICAGO BOARD OF TRADE                                 Code-007601
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 60,000 POUNDS)                         OPEN INTEREST:      408,130
COMMITMENTS
  97,633   67,351   75,040  197,152  239,987  369,824  382,378   38,306   25,752

CHANGES FROM 04/24/12 (CHANGE IN OPEN INTEREST:     -9,308)
  -8,754    9,940   -4,274    8,308  -14,928   -4,720   -9,262   -4,588      -46

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    23.9     16.5     18.4     48.3     58.8     90.6     93.7      9.4      6.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      285)
      87       89       99       74       76      230      211
 
 
U.S. TREASURY BONDS - CHICAGO BOARD OF TRADE                         Code-020601
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $100,000 FACE VALUE)                   OPEN INTEREST:      676,431
COMMITMENTS
  59,481   70,931   42,579  409,009  400,563  511,069  514,073  165,362  162,358

CHANGES FROM 04/24/12 (CHANGE IN OPEN INTEREST:     -5,436)
 -10,556   -1,596    1,013     -933   -6,596  -10,476   -7,179    5,041    1,743

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     8.8     10.5      6.3     60.5     59.2     75.6     76.0     24.4     24.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      169)
      27       35       40       88       89      139      140
 
 
LONG-TERM U.S. TREASURY BONDS - CHICAGO BOARD OF TRADE               Code-020604
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $100,000 FACE VALUE)                   OPEN INTEREST:      358,422
COMMITMENTS
  46,284   24,678      179  250,244  277,860  296,707  302,717   61,715   55,705

CHANGES FROM 04/24/12 (CHANGE IN OPEN INTEREST:     -6,694)
     -87   -1,848        6  -12,335   -9,496  -12,416  -11,338    5,722    4,644

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    12.9      6.9      0.0     69.8     77.5     82.8     84.5     17.2     15.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       65)
       7        6        2       36       40       43       48
 
 
CBT ETHANOL - CHICAGO BOARD OF TRADE                                 Code-025601
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 29,000 U.S. GALLONS)                   OPEN INTEREST:       11,815
COMMITMENTS
   2,004      258    1,128    7,813    9,687   10,945   11,073      870      742

CHANGES FROM 04/24/12 (CHANGE IN OPEN INTEREST:        436)
     302       69      -61      167      376      408      384       28       52

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    17.0      2.2      9.5     66.1     82.0     92.6     93.7      7.4      6.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       38)
      10        1        4       22       23       32       28
 
 
SOYBEAN MEAL - CHICAGO BOARD OF TRADE                                Code-026603
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TONS)                              OPEN INTEREST:      295,598
COMMITMENTS
 109,500    9,014   46,702   93,825  216,574  250,027  272,289   45,571   23,309

CHANGES FROM 04/24/12 (CHANGE IN OPEN INTEREST:     -7,156)
  -6,797      -59      765     -532   -6,374   -6,564   -5,667     -592   -1,489

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    37.0      3.0     15.8     31.7     73.3     84.6     92.1     15.4      7.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      234)
     103       28       59       74       72      207      140
 
 
ROUGH RICE - CHICAGO BOARD OF TRADE                                  Code-039601
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 200,000 POUNDS)                        OPEN INTEREST:       14,900
COMMITMENTS
   3,795    4,585    1,415    6,655    7,388   11,865   13,389    3,035    1,511

CHANGES FROM 04/24/12 (CHANGE IN OPEN INTEREST:     -1,055)
    -348      627       -0      -85   -1,604     -433     -978     -622      -77

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    25.5     30.8      9.5     44.7     49.6     79.6     89.9     20.4     10.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       71)
      21       20       15       24       15       56       41
 
 
2-YEAR U.S. TREASURY NOTES - CHICAGO BOARD OF TRADE                  Code-042601
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $200,000 FACE VALUE)                   OPEN INTEREST:    1,009,948
COMMITMENTS
 327,399  181,571   51,433  508,278  675,777  887,110  908,781  122,837  101,167

CHANGES FROM 04/24/12 (CHANGE IN OPEN INTEREST:     36,937)
  47,996    7,214    1,306  -17,224   32,551   32,077   41,071    4,860   -4,134

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    32.4     18.0      5.1     50.3     66.9     87.8     90.0     12.2     10.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      231)
      47       40       27      105      106      166      159
 
 
10-YEAR U.S. TREASURY NOTES - CHICAGO BOARD OF TRADE                 Code-043602
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $100,000 FACE VALUE)                   OPEN INTEREST:    2,260,775
COMMITMENTS
 212,779  322,705  244,005  1508690  1348465  1965475  1915175  295,301  345,600

CHANGES FROM 04/24/12 (CHANGE IN OPEN INTEREST:     39,435)
  11,578   -2,902   19,451   12,218   52,858   43,247   69,407   -3,812  -29,972

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     9.4     14.3     10.8     66.7     59.6     86.9     84.7     13.1     15.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      312)
      41       78       74      155      177      243      282
 
 
5-YEAR U.S. TREASURY NOTES - CHICAGO BOARD OF TRADE                  Code-044601
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $100,000 FACE VALUE)                   OPEN INTEREST:    1,522,566
COMMITMENTS
 367,955  158,907  129,425  771,680  967,777  1269060  1256109  253,506  266,457

CHANGES FROM 04/24/12 (CHANGE IN OPEN INTEREST:     16,190)
  -7,474   10,456   11,276   22,367  -11,645   26,169   10,087   -9,979    6,103

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    24.2     10.4      8.5     50.7     63.6     83.4     82.5     16.6     17.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      198)
      36       37       32       85      108      140      158
 
 
30-DAY FEDERAL FUNDS - CHICAGO BOARD OF TRADE                        Code-045601
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $5,000,000)                            OPEN INTEREST:      570,101
COMMITMENTS
  41,497   77,408  136,731  362,009  307,963  540,236  522,102   29,865   47,999

CHANGES FROM 04/24/12 (CHANGE IN OPEN INTEREST:    -39,488)
   3,150    7,774  -11,671  -29,427  -32,033  -37,948  -35,930   -1,540   -3,558

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     7.3     13.6     24.0     63.5     54.0     94.8     91.6      5.2      8.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       89)
      11       24       29       47       49       77       84
 
 
DJIA Consolidated - CHICAGO BOARD OF TRADE                           Code-12460+
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($10 X DJIA INDEX)                                   OPEN INTEREST:       57,714
COMMITMENTS
  23,378    6,118      749   26,082   45,677   50,209   52,543    7,505    5,170

CHANGES FROM 04/24/12 (CHANGE IN OPEN INTEREST:      6,092)
   3,758      443       78    2,374    4,967    6,210    5,488     -118      605

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    40.5     10.6      1.3     45.2     79.1     87.0     91.0     13.0      9.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      110)
      40       15        9       32       33       77       52
 
 
DOW JONES INDUSTRIAL AVG- x $5 - CHICAGO BOARD OF TRADE              Code-124603
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($5 X DJIA INDEX)                                    OPEN INTEREST:      115,427
COMMITMENTS
  46,756   12,236    1,498   52,164   91,353  100,418  105,087   15,009   10,340

CHANGES FROM 04/24/12 (CHANGE IN OPEN INTEREST:     12,185)
   7,516      885      157    4,748    9,933   12,420   10,975     -236    1,210

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    40.5     10.6      1.3     45.2     79.1     87.0     91.0     13.0      9.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      110)
      40       15        9       32       33       77       52
 
 
DOW JONES UBS EXCESS RETURN - CHICAGO BOARD OF TRADE                 Code-221602
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($100 X INDEX)                                       OPEN INTEREST:        7,156
COMMITMENTS
   4,728    5,743      891    1,449      500    7,068    7,134       88       22

CHANGES FROM 04/24/12 (CHANGE IN OPEN INTEREST:       -277)
    -376     -208        6       88      -77     -282     -279        5        2

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    66.1     80.3     12.5     20.2      7.0     98.8     99.7      1.2      0.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       23)
      11        9        2        2        1       15       10
 
 
INTEREST RATE SWAPS 10YR - CHICAGO BOARD OF TRADE                    Code-246602
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $100,000)                              OPEN INTEREST:        8,197
COMMITMENTS
   2,503      522       14    5,494    7,549    8,011    8,085      186      112

CHANGES FROM 04/24/12 (CHANGE IN OPEN INTEREST:        266)
     322       20        0      -50      262      272      282       -6      -16

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    30.5      6.4      0.2     67.0     92.1     97.7     98.6      2.3      1.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       30)
       8        5        1        7       11       15       17
 
 
INTEREST RATE SWAPS 5YR - CHICAGO BOARD OF TRADE                     Code-247602
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $100,000)                              OPEN INTEREST:        8,475
COMMITMENTS
   1,268      722        0    6,933    7,701    8,201    8,423      274       52

CHANGES FROM 04/24/12 (CHANGE IN OPEN INTEREST:       -187)
    -388     -746        0      186      577     -202     -169       15      -18

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    15.0      8.5      0.0     81.8     90.9     96.8     99.4      3.2      0.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       33)
       8        8        0        5       13       13       21
```

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Updated May 4, 2012