```
 
 
WHEAT - CHICAGO BOARD OF TRADE                                       Code-001602
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/08/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 BUSHELS)                         OPEN INTEREST:      539,421
COMMITMENTS
 110,632  155,637  121,925  277,009  205,176  509,566  482,738   29,855   56,683

CHANGES FROM 05/01/12 (CHANGE IN OPEN INTEREST:     14,546)
     532   17,591    1,929   11,977   -7,856   14,437   11,663      108    2,883

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    20.5     28.9     22.6     51.4     38.0     94.5     89.5      5.5     10.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      409)
     107      174      153       89      113      290      353
 
 
CORN - CHICAGO BOARD OF TRADE                                        Code-002602
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/08/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 BUSHELS)                         OPEN INTEREST:    1,711,083
COMMITMENTS
 317,610  152,842  501,030  735,391  763,801  1554031  1417673  157,052  293,410

CHANGES FROM 05/01/12 (CHANGE IN OPEN INTEREST:     26,564)
 -10,375  -14,632   22,038   14,632   14,442   26,295   21,848      269    4,716

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    18.6      8.9     29.3     43.0     44.6     90.8     82.9      9.2     17.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      768)
     209      181      276      248      333      591      670
 
 
CORN CSO - CHICAGO BOARD OF TRADE                                    Code-00260C
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/08/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 BUSHELS)                         OPEN INTEREST:        8,393
COMMITMENTS
   2,917    1,369    3,699    1,525    2,779    8,141    7,847      251      545

CHANGES FROM 05/01/12 (CHANGE IN OPEN INTEREST:         70)
    -160       99      126       63     -266       29      -41       41      111

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    34.8     16.3     44.1     18.2     33.1     97.0     93.5      3.0      6.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       22)
       7        7        8        5        8       16       19
 
 
OATS - CHICAGO BOARD OF TRADE                                        Code-004603
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/08/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 BUSHELS)                         OPEN INTEREST:       12,285
COMMITMENTS
   3,737      615      568    5,680    9,625    9,984   10,807    2,301    1,478

CHANGES FROM 05/01/12 (CHANGE IN OPEN INTEREST:        993)
     895       16      163     -177      815      882      995      112       -2

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    30.4      5.0      4.6     46.2     78.3     81.3     88.0     18.7     12.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       38)
      11        9        6       15       12       32       21
 
 
SOYBEANS - CHICAGO BOARD OF TRADE                                    Code-005602
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/08/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 BUSHELS)                         OPEN INTEREST:    1,100,686
COMMITMENTS
 283,386   46,664  351,413  391,383  588,015  1026182  986,091   74,504  114,595

CHANGES FROM 05/01/12 (CHANGE IN OPEN INTEREST:    -11,478)
 -23,171     -130   -4,190   14,608   -9,584  -12,753  -13,904    1,274    2,425

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    25.7      4.2     31.9     35.6     53.4     93.2     89.6      6.8     10.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      629)
     252      134      249      172      218      530      511
 
 
SOYBEAN CSO - CHICAGO BOARD OF TRADE                                 Code-005606
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/08/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 BUSHELS)                         OPEN INTEREST:       14,996
COMMITMENTS
   1,924    1,926    7,610    4,985    4,829   14,519   14,365      478      631

CHANGES FROM 05/01/12 (CHANGE IN OPEN INTEREST:        145)
     367      406     -342      155     -163      179     -100      -34      245

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    12.8     12.8     50.7     33.2     32.2     96.8     95.8      3.2      4.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       25)
       7        5       11        8       12       19       24
 
 
SOYBEAN OIL - CHICAGO BOARD OF TRADE                                 Code-007601
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/08/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 60,000 POUNDS)                         OPEN INTEREST:      431,664
COMMITMENTS
  89,140   75,955   79,371  226,881  247,426  395,391  402,752   36,273   28,912

CHANGES FROM 05/01/12 (CHANGE IN OPEN INTEREST:     23,534)
  -8,494    8,604    4,331   29,729    7,439   25,567   20,374   -2,033    3,160

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    20.7     17.6     18.4     52.6     57.3     91.6     93.3      8.4      6.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      293)
      86       94      111       72       75      235      223
 
 
U.S. TREASURY BONDS - CHICAGO BOARD OF TRADE                         Code-020601
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/08/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $100,000 FACE VALUE)                   OPEN INTEREST:      734,567
COMMITMENTS
  81,160   67,204   54,713  422,934  447,493  558,808  569,411  175,760  165,157

CHANGES FROM 05/01/12 (CHANGE IN OPEN INTEREST:     58,136)
  21,679   -3,727   12,135   13,924   46,930   47,738   55,337   10,398    2,799

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    11.0      9.1      7.4     57.6     60.9     76.1     77.5     23.9     22.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      174)
      27       36       43       91       91      146      142
 
 
LONG-TERM U.S. TREASURY BONDS - CHICAGO BOARD OF TRADE               Code-020604
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/08/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $100,000 FACE VALUE)                   OPEN INTEREST:      360,903
COMMITMENTS
  44,715   27,359      179  251,136  277,565  296,030  305,103   64,874   55,801

CHANGES FROM 05/01/12 (CHANGE IN OPEN INTEREST:      2,481)
  -1,569    2,681        0      892     -295     -677    2,386    3,158       96

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    12.4      7.6      0.0     69.6     76.9     82.0     84.5     18.0     15.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       67)
       7        6        2       37       41       44       49
 
 
CBT ETHANOL - CHICAGO BOARD OF TRADE                                 Code-025601
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/08/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 29,000 U.S. GALLONS)                   OPEN INTEREST:       11,936
COMMITMENTS
   2,517      247    1,028    7,558    9,878   11,103   11,153      833      783

CHANGES FROM 05/01/12 (CHANGE IN OPEN INTEREST:        121)
     513      -11     -100     -255      191      158       80      -37       41

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    21.1      2.1      8.6     63.3     82.8     93.0     93.4      7.0      6.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       38)
       9        1        4       23       25       32       30
 
 
SOYBEAN MEAL - CHICAGO BOARD OF TRADE                                Code-026603
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/08/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TONS)                              OPEN INTEREST:      294,297
COMMITMENTS
 107,688    7,459   47,447   97,173  216,474  252,308  271,381   41,989   22,916

CHANGES FROM 05/01/12 (CHANGE IN OPEN INTEREST:     -1,301)
  -1,812   -1,554      746    3,348     -100    2,281     -909   -3,582     -393

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    36.6      2.5     16.1     33.0     73.6     85.7     92.2     14.3      7.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      232)
     105       26       53       77       74      206      136
 
 
ROUGH RICE - CHICAGO BOARD OF TRADE                                  Code-039601
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/08/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 200,000 POUNDS)                        OPEN INTEREST:       14,437
COMMITMENTS
   3,553    4,593    1,209    6,730    7,147   11,492   12,949    2,946    1,489

CHANGES FROM 05/01/12 (CHANGE IN OPEN INTEREST:       -463)
    -242        8     -207       75     -242     -373     -440      -90      -23

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    24.6     31.8      8.4     46.6     49.5     79.6     89.7     20.4     10.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       72)
      22       19       12       24       16       53       42
 
 
2-YEAR U.S. TREASURY NOTES - CHICAGO BOARD OF TRADE                  Code-042601
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/08/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $200,000 FACE VALUE)                   OPEN INTEREST:    1,054,563
COMMITMENTS
 347,449  206,018   52,240  533,260  700,970  932,949  959,228  121,614   95,335

CHANGES FROM 05/01/12 (CHANGE IN OPEN INTEREST:     44,615)
  20,050   24,447      807   24,982   25,193   45,838   50,447   -1,223   -5,832

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    32.9     19.5      5.0     50.6     66.5     88.5     91.0     11.5      9.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      236)
      48       45       26      104      104      167      160
 
 
10-YEAR U.S. TREASURY NOTES - CHICAGO BOARD OF TRADE                 Code-043602
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/08/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $100,000 FACE VALUE)                   OPEN INTEREST:    2,381,681
COMMITMENTS
 235,088  310,697  273,619  1563330  1427082  2072037  2011398  309,644  370,283

CHANGES FROM 05/01/12 (CHANGE IN OPEN INTEREST:    120,905)
  22,309  -12,008   29,613   54,640   78,617  106,562   96,222   14,343   24,683

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     9.9     13.0     11.5     65.6     59.9     87.0     84.5     13.0     15.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      309)
      47       67       72      160      175      246      275
 
 
5-YEAR U.S. TREASURY NOTES - CHICAGO BOARD OF TRADE                  Code-044601
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/08/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $100,000 FACE VALUE)                   OPEN INTEREST:    1,585,888
COMMITMENTS
 366,160  151,048  141,948  820,984  1011672  1329092  1304668  256,795  281,220

CHANGES FROM 05/01/12 (CHANGE IN OPEN INTEREST:     63,322)
  -1,795   -7,860   12,523   49,304   43,895   60,033   48,559    3,289   14,763

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    23.1      9.5      9.0     51.8     63.8     83.8     82.3     16.2     17.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      203)
      35       36       34       90      113      146      162
 
 
30-DAY FEDERAL FUNDS - CHICAGO BOARD OF TRADE                        Code-045601
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/08/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $5,000,000)                            OPEN INTEREST:      579,171
COMMITMENTS
  37,405   72,609  141,926  373,087  317,967  552,417  532,501   26,753   46,669

CHANGES FROM 05/01/12 (CHANGE IN OPEN INTEREST:      9,070)
  -4,092   -4,799    5,195   11,078   10,005   12,181   10,400   -3,111   -1,330

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     6.5     12.5     24.5     64.4     54.9     95.4     91.9      4.6      8.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       90)
      11       23       29       49       52       79       86
 
 
DJIA Consolidated - CHICAGO BOARD OF TRADE                           Code-12460+
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/08/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($10 X DJIA INDEX)                                   OPEN INTEREST:       53,329
COMMITMENTS
  18,177    9,464      668   27,179   38,834   46,023   48,966    7,306    4,362

CHANGES FROM 05/01/12 (CHANGE IN OPEN INTEREST:     -4,385)
  -5,201    3,346      -81    1,097   -6,842   -4,186   -3,577     -199     -808

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    34.1     17.7      1.3     51.0     72.8     86.3     91.8     13.7      8.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       98)
      30       13       10       33       32       69       49
 
 
DOW JONES INDUSTRIAL AVG- x $5 - CHICAGO BOARD OF TRADE              Code-124603
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/08/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($5 X DJIA INDEX)                                    OPEN INTEREST:      106,657
COMMITMENTS
  36,354   18,929    1,335   54,357   77,669   92,046   97,933   14,611    8,725

CHANGES FROM 05/01/12 (CHANGE IN OPEN INTEREST:     -8,770)
 -10,403    6,693     -162    2,193  -13,685   -8,372   -7,154     -398   -1,616

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    34.1     17.7      1.3     51.0     72.8     86.3     91.8     13.7      8.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       98)
      30       13       10       33       32       69       49
 
 
DOW JONES UBS EXCESS RETURN - CHICAGO BOARD OF TRADE                 Code-221602
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/08/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($100 X INDEX)                                       OPEN INTEREST:        7,091
COMMITMENTS
   4,744    5,638      891    1,361      550    6,996    7,079       95       12

CHANGES FROM 05/01/12 (CHANGE IN OPEN INTEREST:        -65)
      16     -105        0      -88       50      -72      -55        7      -10

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    66.9     79.5     12.6     19.2      7.8     98.7     99.8      1.3      0.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       23)
      11        9        2        1        2       14       11
 
 
INTEREST RATE SWAPS 10YR - CHICAGO BOARD OF TRADE                    Code-246602
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/08/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $100,000)                              OPEN INTEREST:        8,219
COMMITMENTS
   2,185      408      222    5,643    7,481    8,050    8,111      169      108

CHANGES FROM 05/01/12 (CHANGE IN OPEN INTEREST:         22)
    -318     -114      208      149      -68       39       26      -17       -4

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    26.6      5.0      2.7     68.7     91.0     97.9     98.7      2.1      1.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       30)
       8        4        2        7       11       16       17
 
 
INTEREST RATE SWAPS 5YR - CHICAGO BOARD OF TRADE                     Code-247602
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/08/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $100,000)                              OPEN INTEREST:        8,485
COMMITMENTS
   1,334      590        0    6,890    7,843    8,224    8,433      261       52

CHANGES FROM 05/01/12 (CHANGE IN OPEN INTEREST:         10)
      66     -132        0      -43      142       23       10      -13        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    15.7      7.0      0.0     81.2     92.4     96.9     99.4      3.1      0.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       31)
       8        6        0        5       13       13       19
```

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Updated May 11, 2012