```
 
 
WHEAT - CHICAGO BOARD OF TRADE                                       Code-001602
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/26/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 BUSHELS)                         OPEN INTEREST:      592,679
COMMITMENTS
 102,399   72,744  148,208  298,817  314,090  549,424  535,042   43,255   57,637

CHANGES FROM 04/19/11 (CHANGE IN OPEN INTEREST:    -36,140)
   3,672       44  -23,212  -16,402  -12,179  -35,942  -35,348     -198     -792

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    17.3     12.3     25.0     50.4     53.0     92.7     90.3      7.3      9.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      464)
     144      139      193      110      143      371      385
 
 
CORN - CHICAGO BOARD OF TRADE                                        Code-002602
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/26/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 BUSHELS)                         OPEN INTEREST:    2,297,491
COMMITMENTS
 496,337   93,563  728,482  839,755  1179934  2064574  2001980  232,917  295,511

CHANGES FROM 04/19/11 (CHANGE IN OPEN INTEREST:   -183,828)
   1,794      353 -123,752  -64,599  -54,927 -186,558 -178,327    2,729   -5,502

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    21.6      4.1     31.7     36.6     51.4     89.9     87.1     10.1     12.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      958)
     296      152      333      316      437      761      813
 
 
OATS - CHICAGO BOARD OF TRADE                                        Code-004603
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/26/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 BUSHELS)                         OPEN INTEREST:       15,105
COMMITMENTS
   3,898      184    1,096    7,144   12,916   12,138   14,197    2,967      908

CHANGES FROM 04/19/11 (CHANGE IN OPEN INTEREST:       -339)
     671       40      -76     -539       39       56        3     -395     -342

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    25.8      1.2      7.3     47.3     85.5     80.4     94.0     19.6      6.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       46)
      20        3        8       22       15       43       25
 
 
SOYBEANS - CHICAGO BOARD OF TRADE                                    Code-005602
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/26/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 BUSHELS)                         OPEN INTEREST:      818,174
COMMITMENTS
 152,353   41,686  271,105  332,202  414,195  755,659  726,986   62,515   91,188

CHANGES FROM 04/19/11 (CHANGE IN OPEN INTEREST:    -93,828)
   8,167   -9,371  -64,295  -35,019  -16,427  -91,148  -90,093   -2,680   -3,735

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    18.6      5.1     33.1     40.6     50.6     92.4     88.9      7.6     11.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      572)
     206      116      234      147      205      469      474
 
 
MINI SOYBEANS - CHICAGO BOARD OF TRADE                               Code-005603
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/26/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(Contracts of 1,000 Bushels)                         OPEN INTEREST:       24,974
COMMITMENTS
  22,208    2,519      147        5    6,079   22,360    8,745    2,614   16,229

CHANGES FROM 04/19/11 (CHANGE IN OPEN INTEREST:        524)
   1,203      521      -62       -3      413    1,138      872     -614     -348

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    88.9     10.1      0.6      0.0     24.3     89.5     35.0     10.5     65.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       42)
      17        7        8        2       18       20       32
 
 
SOYBEAN CSO - CHICAGO BOARD OF TRADE                                 Code-005606
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/26/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 BUSHELS)                         OPEN INTEREST:       12,150
COMMITMENTS
     966    8,906    2,452    7,931      495   11,349   11,853      800      296

CHANGES FROM 04/19/11 (CHANGE IN OPEN INTEREST:        132)
     -95     -277      314     -107      112      111      149       21      -16

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     8.0     73.3     20.2     65.3      4.1     93.4     97.6      6.6      2.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       29)
       9        6        8       13        7       27       16
 
 
SOYBEAN OIL - CHICAGO BOARD OF TRADE                                 Code-007601
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/26/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 60,000 POUNDS)                         OPEN INTEREST:      409,262
COMMITMENTS
  96,311   35,358   89,691  183,969  258,807  369,972  383,857   39,290   25,405

CHANGES FROM 04/19/11 (CHANGE IN OPEN INTEREST:    -33,186)
  -4,786     -344  -10,835  -14,879  -20,107  -30,501  -31,286   -2,685   -1,900

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    23.5      8.6     21.9     45.0     63.2     90.4     93.8      9.6      6.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      274)
     100       55      101       70       76      229      203
 
 
U.S. TREASURY BONDS - CHICAGO BOARD OF TRADE                         Code-020601
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/26/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $100,000 FACE VALUE)                   OPEN INTEREST:      634,517
COMMITMENTS
  65,323  105,264   27,838  386,355  342,183  479,516  475,285  155,001  159,231

CHANGES FROM 04/19/11 (CHANGE IN OPEN INTEREST:      1,539)
  10,538    2,620  -11,956  -11,406   19,211  -12,825    9,875   14,363   -8,337

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    10.3     16.6      4.4     60.9     53.9     75.6     74.9     24.4     25.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      147)
      19       37       27       69       69      108      113
 
 
LONG-TERM U.S. TREASURY BONDS - CHICAGO BOARD OF TRADE               Code-020604
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/26/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $100,000 FACE VALUE)                   OPEN INTEREST:      321,384
COMMITMENTS
  43,359   56,835    1,737  205,740  216,876  250,836  275,448   70,548   45,937

CHANGES FROM 04/19/11 (CHANGE IN OPEN INTEREST:     -3,978)
     956   -1,810      108  -14,355   -7,430  -13,291   -9,132    9,313    5,154

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    13.5     17.7      0.5     64.0     67.5     78.0     85.7     22.0     14.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       63)
       5       10        3       33       32       39       44
 
 
CBT ETHANOL - CHICAGO BOARD OF TRADE                                 Code-025601
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/26/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 29,000 U.S. GALLONS)                   OPEN INTEREST:        7,334
COMMITMENTS
     971      286      771    5,206    5,920    6,948    6,977      386      357

CHANGES FROM 04/19/11 (CHANGE IN OPEN INTEREST:       -193)
      48      -48       85     -380     -290     -247     -253       54       60

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    13.2      3.9     10.5     71.0     80.7     94.7     95.1      5.3      4.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       34)
       8        4        8       18       20       30       28
 
 
SOYBEAN MEAL - CHICAGO BOARD OF TRADE                                Code-026603
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/26/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TONS)                              OPEN INTEREST:      260,056
COMMITMENTS
  48,224   27,532   51,817  117,523  154,159  217,564  233,509   42,491   26,547

CHANGES FROM 04/19/11 (CHANGE IN OPEN INTEREST:    -10,744)
   3,522   -8,280   -2,784  -11,732    4,235  -10,994   -6,829      251   -3,914

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    18.5     10.6     19.9     45.2     59.3     83.7     89.8     16.3     10.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      206)
      61       37       70       73       70      176      157
 
 
ROUGH RICE - CHICAGO BOARD OF TRADE                                  Code-039601
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/26/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 200,000 POUNDS)                        OPEN INTEREST:       26,056
COMMITMENTS
   7,573    3,606    1,891    9,251   18,907   18,715   24,403    7,341    1,653

CHANGES FROM 04/19/11 (CHANGE IN OPEN INTEREST:         79)
     330      143     -560      123      620     -108      203      187     -124

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    29.1     13.8      7.3     35.5     72.6     71.8     93.7     28.2      6.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      108)
      51       18       19       28       22       90       52
 
 
2-YEAR U.S. TREASURY NOTES - CHICAGO BOARD OF TRADE                  Code-042601
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/26/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $200,000 FACE VALUE)                   OPEN INTEREST:    1,100,756
COMMITMENTS
 338,658  151,497   46,863  604,435  746,131  989,956  944,491  110,800  156,265

CHANGES FROM 04/19/11 (CHANGE IN OPEN INTEREST:       -642)
  32,100   -9,880   -1,135  -42,743   18,066  -11,778    7,052   11,135   -7,694

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    30.8     13.8      4.3     54.9     67.8     89.9     85.8     10.1     14.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      275)
      51       59       33      105      133      176      205
 
 
10-YEAR U.S. TREASURY NOTES - CHICAGO BOARD OF TRADE                 Code-043602
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/26/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $100,000 FACE VALUE)                   OPEN INTEREST:    1,941,127
COMMITMENTS
 208,390  207,453  165,128  1274398  1155733  1647916  1528313  293,210  412,813

CHANGES FROM 04/19/11 (CHANGE IN OPEN INTEREST:    -58,799)
  20,279   -6,602  -64,950  -45,384  -18,630  -90,055  -90,183   31,256   31,383

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    10.7     10.7      8.5     65.7     59.5     84.9     78.7     15.1     21.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      272)
      45       59       61      134      148      214      233
 
 
5-YEAR U.S. TREASURY NOTES - CHICAGO BOARD OF TRADE                  Code-044601
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/26/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $100,000 FACE VALUE)                   OPEN INTEREST:    1,523,010
COMMITMENTS
 359,682  111,289   85,629  868,062  1032491  1313373  1229409  209,636  293,601

CHANGES FROM 04/19/11 (CHANGE IN OPEN INTEREST:     37,385)
  56,103   -2,512  -20,154  -11,170   54,344   24,778   31,677   12,606    5,708

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    23.6      7.3      5.6     57.0     67.8     86.2     80.7     13.8     19.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      207)
      37       31       34      104      110      150      166
 
 
30-DAY FEDERAL FUNDS - CHICAGO BOARD OF TRADE                        Code-045601
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/26/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $5,000,000)                            OPEN INTEREST:    1,010,102
COMMITMENTS
 101,737   66,001  344,090  525,022  545,778  970,849  955,869   39,253   54,233

CHANGES FROM 04/19/11 (CHANGE IN OPEN INTEREST:     11,410)
    -672    2,903    3,579    9,344    7,138   12,251   13,620     -841   -2,210

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    10.1      6.5     34.1     52.0     54.0     96.1     94.6      3.9      5.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      148)
      31       37       47       65       70      120      135
 
 
DJIA Consolidated - CHICAGO BOARD OF TRADE                           Code-12460+
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/26/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($10 X DJIA INDEX)                                   OPEN INTEREST:       59,102
COMMITMENTS
  20,827    4,824    1,020   29,893   44,139   51,740   49,983    7,362    9,119

CHANGES FROM 04/19/11 (CHANGE IN OPEN INTEREST:      4,600)
     592      286      239    3,688    2,970    4,519    3,495       82    1,105

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    35.2      8.2      1.7     50.6     74.7     87.5     84.6     12.5     15.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      103)
      38        9        7       35       32       74       47
 
 
DOW JONES INDUSTRIAL AVG- x $5 - CHICAGO BOARD OF TRADE              Code-124603
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/26/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($5 X DJIA INDEX)                                    OPEN INTEREST:      118,204
COMMITMENTS
  41,653    9,648    2,040   59,787   88,278  103,480   99,966   14,724   18,238

CHANGES FROM 04/19/11 (CHANGE IN OPEN INTEREST:      9,201)
   1,183      572      479    7,375    5,940    9,037    6,990      163    2,210

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    35.2      8.2      1.7     50.6     74.7     87.5     84.6     12.5     15.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      103)
      38        9        7       35       32       74       47
 
 
DOW JONES UBS EXCESS RETURN - CHICAGO BOARD OF TRADE                 Code-221602
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/26/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($100 X INDEX)                                       OPEN INTEREST:        8,819
COMMITMENTS
   4,979    2,267       37    1,674    5,595    6,690    7,899    2,129      920

CHANGES FROM 04/19/11 (CHANGE IN OPEN INTEREST:        276)
     286      261        0      -10       15      276      276        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    56.5     25.7      0.4     19.0     63.4     75.9     89.6     24.1     10.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       24)
      13        6        1        1        4       14       11
 
 
INTEREST RATE SWAPS 10YR - CHICAGO BOARD OF TRADE                    Code-246602
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/26/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $100,000)                              OPEN INTEREST:       11,249
COMMITMENTS
   1,262    1,221       10    9,838    9,836   11,110   11,067      139      182

CHANGES FROM 04/19/11 (CHANGE IN OPEN INTEREST:        182)
     610        0      -37     -423      281      150      244       32      -62

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    11.2     10.9      0.1     87.5     87.4     98.8     98.4      1.2      1.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       30)
       4        8        1        6       14       10       23
 
 
INTEREST RATE SWAPS 5YR - CHICAGO BOARD OF TRADE                     Code-247602
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/26/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF $100,000)                              OPEN INTEREST:       27,679
COMMITMENTS
   2,148    1,096        0   25,254   26,196   27,402   27,292      277      387

CHANGES FROM 04/19/11 (CHANGE IN OPEN INTEREST:     -1,452)
     621      276     -554   -1,610      -73   -1,543     -351       91   -1,101

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     7.8      4.0      0.0     91.2     94.6     99.0     98.6      1.0      1.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       30)
       5        5        0        7       14       12       19
```

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Updated April 29, 2011