```
 
 
WHEAT - CHICAGO BOARD OF TRADE                                       Code-001602
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/15/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 BUSHELS)                         OPEN INTEREST:      541,852
COMMITMENTS
 109,974  159,032  123,419  277,230  202,976  510,623  485,427   31,229   56,425

CHANGES FROM 05/08/12 (CHANGE IN OPEN INTEREST:      2,431)
    -658    3,395    1,495      221   -2,200    1,058    2,690    1,374     -258

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    20.3     29.3     22.8     51.2     37.5     94.2     89.6      5.8     10.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      406)
     108      170      152       91      112      290      349
 
 
CORN - CHICAGO BOARD OF TRADE                                        Code-002602
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/15/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 BUSHELS)                         OPEN INTEREST:    1,723,037
COMMITMENTS
 300,660  174,506  520,115  739,272  726,514  1560047  1421135  162,990  301,902

CHANGES FROM 05/08/12 (CHANGE IN OPEN INTEREST:     11,954)
 -16,950   21,664   19,084    3,882  -37,286    6,016    3,462    5,939    8,492

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    17.4     10.1     30.2     42.9     42.2     90.5     82.5      9.5     17.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      755)
     176      206      273      250      321      577      664
 
 
CORN CSO - CHICAGO BOARD OF TRADE                                    Code-00260C
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/15/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 BUSHELS)                         OPEN INTEREST:        7,326
COMMITMENTS
   2,148    1,071    3,500    1,387    2,264    7,034    6,834      292      492

CHANGES FROM 05/08/12 (CHANGE IN OPEN INTEREST:     -1,066)
    -769     -299     -199     -139     -515   -1,107   -1,013       41      -53

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    29.3     14.6     47.8     18.9     30.9     96.0     93.3      4.0      6.7

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 05/15/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 BUSHELS)                         OPEN INTEREST:       12,686
COMMITMENTS
   4,040      793      671    5,862    9,602   10,573   11,067    2,113    1,619

CHANGES FROM 05/08/12 (CHANGE IN OPEN INTEREST:        401)
     303      179      104      182      -23      588      260     -187      141

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    31.8      6.3      5.3     46.2     75.7     83.3     87.2     16.7     12.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       40)
      11        9        6       16       13       32       24
 
 
SOYBEANS - CHICAGO BOARD OF TRADE                                    Code-005602
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/15/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 BUSHELS)                         OPEN INTEREST:    1,104,590
COMMITMENTS
 263,316   43,528  371,626  400,652  583,708  1035594  998,863   68,996  105,727

CHANGES FROM 05/08/12 (CHANGE IN OPEN INTEREST:      3,904)
 -20,071   -3,135   20,214    9,269   -4,306    9,412   12,772   -5,508   -8,868

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    23.8      3.9     33.6     36.3     52.8     93.8     90.4      6.2      9.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      640)
     243      151      282      175      222      548      543
 
 
SOYBEAN CSO - CHICAGO BOARD OF TRADE                                 Code-005606
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/15/12          |
--------------------------------------------------------------| 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
   2,188    2,036    8,087    5,259    5,180   15,534   15,304      289      519

CHANGES FROM 05/08/12 (CHANGE IN OPEN INTEREST:        826)
     264      110      477      274      351    1,015      938     -189     -112

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    13.8     12.9     51.1     33.2     32.7     98.2     96.7      1.8      3.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       31)
       8        8       11        9       14       22       28
 
 
SOYBEAN OIL - CHICAGO BOARD OF TRADE                                 Code-007601
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/15/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 60,000 POUNDS)                         OPEN INTEREST:      448,414
COMMITMENTS
  76,851   82,801   88,396  249,666  241,831  414,912  413,028   33,502   35,386

CHANGES FROM 05/08/12 (CHANGE IN OPEN INTEREST:     16,750)
 -12,289    6,846    9,025   22,785   -5,595   19,521   10,277   -2,771    6,473

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    17.1     18.5     19.7     55.7     53.9     92.5     92.1      7.5      7.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      285)
      78       92      101       78       75      218      227
 
 
U.S. TREASURY BONDS - CHICAGO BOARD OF TRADE                         Code-020601
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/15/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $100,000 FACE VALUE)                   OPEN INTEREST:      833,730
COMMITMENTS
  86,764   81,166  110,151  447,504  465,736  644,419  657,053  189,311  176,677

CHANGES FROM 05/08/12 (CHANGE IN OPEN INTEREST:     99,163)
   5,604   13,962   55,438   24,570   18,243   85,611   87,643   13,551   11,520

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    10.4      9.7     13.2     53.7     55.9     77.3     78.8     22.7     21.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      180)
      34       38       47       88       89      148      148
 
 
LONG-TERM U.S. TREASURY BONDS - CHICAGO BOARD OF TRADE               Code-020604
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/15/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $100,000 FACE VALUE)                   OPEN INTEREST:      369,204
COMMITMENTS
  45,450   28,414      179  256,174  282,148  301,803  310,741   67,401   58,463

CHANGES FROM 05/08/12 (CHANGE IN OPEN INTEREST:      8,301)
     735    1,055        0    5,038    4,584    5,773    5,639    2,527    2,662

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    12.3      7.7      0.0     69.4     76.4     81.7     84.2     18.3     15.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       69)
       7        5        2       42       43       49       50
 
 
CBT ETHANOL - CHICAGO BOARD OF TRADE                                 Code-025601
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/15/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 29,000 U.S. GALLONS)                   OPEN INTEREST:       12,787
COMMITMENTS
   2,736      162    1,086    8,462   10,980   12,284   12,228      503      559

CHANGES FROM 05/08/12 (CHANGE IN OPEN INTEREST:        851)
     219      -85       58      904    1,102    1,181    1,075     -330     -224

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    21.4      1.3      8.5     66.2     85.9     96.1     95.6      3.9      4.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       40)
      10        2        5       23       26       33       33
 
 
SOYBEAN MEAL - CHICAGO BOARD OF TRADE                                Code-026603
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/15/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TONS)                              OPEN INTEREST:      297,818
COMMITMENTS
 103,017   10,312   50,184  100,664  213,924  253,865  274,420   43,953   23,398

CHANGES FROM 05/08/12 (CHANGE IN OPEN INTEREST:      3,521)
  -4,671    2,852    2,736    3,491   -2,550    1,557    3,039    1,964      482

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    34.6      3.5     16.9     33.8     71.8     85.2     92.1     14.8      7.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      231)
      98       35       55       74       70      204      135
 
 
ROUGH RICE - CHICAGO BOARD OF TRADE                                  Code-039601
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/15/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 200,000 POUNDS)                        OPEN INTEREST:       14,649
COMMITMENTS
   3,843    4,320    1,413    6,539    7,576   11,795   13,309    2,854    1,340

CHANGES FROM 05/08/12 (CHANGE IN OPEN INTEREST:        212)
     290     -273      204     -191      429      303      360      -91     -149

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    26.2     29.5      9.6     44.6     51.7     80.5     90.9     19.5      9.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       78)
      24       22       15       25       16       60       44
 
 
2-YEAR U.S. TREASURY NOTES - CHICAGO BOARD OF TRADE                  Code-042601
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/15/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $200,000 FACE VALUE)                   OPEN INTEREST:    1,072,852
COMMITMENTS
 349,118  236,452   53,927  545,862  683,474  948,906  973,853  123,946   98,999

CHANGES FROM 05/08/12 (CHANGE IN OPEN INTEREST:     18,289)
   1,669   30,434    1,687   12,602  -17,496   15,958   14,625    2,331    3,664

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    32.5     22.0      5.0     50.9     63.7     88.4     90.8     11.6      9.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      230)
      46       44       27      104      106      166      161
 
 
10-YEAR U.S. TREASURY NOTES - CHICAGO BOARD OF TRADE                 Code-043602
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/15/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $100,000 FACE VALUE)                   OPEN INTEREST:    2,480,446
COMMITMENTS
 184,257  299,117  334,262  1627873  1510781  2146392  2144159  334,054  336,287

CHANGES FROM 05/08/12 (CHANGE IN OPEN INTEREST:     98,766)
 -50,831  -11,580   60,643   64,543   83,698   74,355  132,761   24,410  -33,996

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     7.4     12.1     13.5     65.6     60.9     86.5     86.4     13.5     13.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      315)
      38       81       76      165      176      251      285
 
 
5-YEAR U.S. TREASURY NOTES - CHICAGO BOARD OF TRADE                  Code-044601
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/15/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $100,000 FACE VALUE)                   OPEN INTEREST:    1,637,851
COMMITMENTS
 453,469  165,672  155,944  778,667  1043536  1388079  1365153  249,772  272,699

CHANGES FROM 05/08/12 (CHANGE IN OPEN INTEREST:     51,964)
  87,308   14,624   13,996  -42,317   31,864   58,987   60,485   -7,023   -8,521

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    27.7     10.1      9.5     47.5     63.7     84.8     83.4     15.2     16.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      210)
      32       44       39       91      117      151      172
 
 
30-DAY FEDERAL FUNDS - CHICAGO BOARD OF TRADE                        Code-045601
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/15/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $5,000,000)                            OPEN INTEREST:      610,750
COMMITMENTS
  33,831   75,722  149,744  402,383  334,708  585,958  560,174   24,792   50,576

CHANGES FROM 05/08/12 (CHANGE IN OPEN INTEREST:     31,579)
  -3,574    3,114    7,819   29,297   16,740   33,541   27,673   -1,962    3,907

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     5.5     12.4     24.5     65.9     54.8     95.9     91.7      4.1      8.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       94)
      13       22       29       51       54       81       89
 
 
DJIA Consolidated - CHICAGO BOARD OF TRADE                           Code-12460+
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/15/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($10 X DJIA INDEX)                                   OPEN INTEREST:       51,651
COMMITMENTS
  17,815    8,124      744   25,146   38,261   43,705   47,129    7,946    4,522

CHANGES FROM 05/08/12 (CHANGE IN OPEN INTEREST:     -1,678)
    -362   -1,340       76   -2,033     -573   -2,318   -1,837      641      159

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    34.5     15.7      1.4     48.7     74.1     84.6     91.2     15.4      8.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      102)
      29       17       10       34       33       70       53
 
 
DOW JONES INDUSTRIAL AVG- x $5 - CHICAGO BOARD OF TRADE              Code-124603
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/15/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($5 X DJIA INDEX)                                    OPEN INTEREST:      103,302
COMMITMENTS
  35,630   16,248    1,488   50,291   76,523   87,409   94,259   15,893    9,043

CHANGES FROM 05/08/12 (CHANGE IN OPEN INTEREST:     -3,355)
    -724   -2,681      153   -4,066   -1,146   -4,637   -3,674    1,282      319

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    34.5     15.7      1.4     48.7     74.1     84.6     91.2     15.4      8.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      102)
      29       17       10       34       33       70       53
 
 
DOW JONES UBS EXCESS RETURN - CHICAGO BOARD OF TRADE                 Code-221602
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/15/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($100 X INDEX)                                       OPEN INTEREST:        6,976
COMMITMENTS
   4,437    5,532      898    1,494      500    6,829    6,930      147       46

CHANGES FROM 05/08/12 (CHANGE IN OPEN INTEREST:       -115)
    -307     -106        7      133      -50     -167     -149       52       34

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    63.6     79.3     12.9     21.4      7.2     97.9     99.3      2.1      0.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       21)
      10        8        2        2        1       14        9
 
 
INTEREST RATE SWAPS 10YR - CHICAGO BOARD OF TRADE                    Code-246602
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/15/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $100,000)                              OPEN INTEREST:        8,409
COMMITMENTS
   2,170      472      217    5,807    7,596    8,194    8,285      215      124

CHANGES FROM 05/08/12 (CHANGE IN OPEN INTEREST:        190)
     -15       64       -5      164      115      144      174       46       16

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    25.8      5.6      2.6     69.1     90.3     97.4     98.5      2.6      1.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       29)
       8        5        2        6       11       15       17
 
 
INTEREST RATE SWAPS 5YR - CHICAGO BOARD OF TRADE                     Code-247602
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/15/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $100,000)                              OPEN INTEREST:        8,647
COMMITMENTS
   1,130      690        0    7,266    7,879    8,396    8,569      251       78

CHANGES FROM 05/08/12 (CHANGE IN OPEN INTEREST:        162)
    -204      100        0      376       36      172      136      -10       26

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    13.1      8.0      0.0     84.0     91.1     97.1     99.1      2.9      0.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       29)
       6        6        0        4       14       10       20
```

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Updated May 21, 2012