Minimum Price Fluctuation: 0.1yen/kilogram
| Month | Last | Open | High | Low | Close | Change | Bid | Ask | Open Interest | Volume |
| Aug 2008 | 315.5 | 316 | 316 | 316 | 316 | 0.5 | 310 | 323.9 | 210 | 20 |
| Oct 2008 | 317.9 | 323.2 | 323.2 | 323.2 | 323.2 | 5.3 | 315.8 | 323.2 | 244 | 9 |
| Dec 2008 | 323.2 | 323.6 | 323.6 | 323.6 | 323.6 | 0.4 | 321.3 | 326 | 386 | 10 |
| Feb 2009 | 321.5 | 324.5 | 324.5 | 324.5 | 324.5 | 3 | 322 | --- | 255 | 6 |
| Apr 2009 | 320.9 | 325.1 | 327.6 | 325.1 | 327 | 6.1 | 326.5 | 328.4 | 427 | 14 |
| Jun 2009 | 322.1 | 329 | 329.4 | 325.9 | 329.4 | 7.3 | 329.1 | 329.4 | 433 | 43 |
| Total | 102 |
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