Minimum Price Fluctuation: 0.1yen/kilogram
| Month | Last | Open | High | Low | Close | Change | Bid | Ask | Open Interest | Volume |
| Aug 2008 | 330 | 332 | 332 | 332 | 332 | 2 | --- | --- | 216 | --- |
| Oct 2008 | 330 | 332 | 332 | 332 | 332 | 2 | 325 | 332.9 | 252 | --- |
| Dec 2008 | 325.6 | 332.9 | 332.9 | 331.7 | 331.7 | 6.1 | 325.5 | 333 | 402 | 9 |
| Feb 2009 | 330.3 | 333 | 333 | 333 | 333 | 2.7 | 332.5 | 335.5 | 263 | 2 |
| Apr 2009 | 331.5 | 333 | 335.4 | 333 | 335.4 | 3.9 | 334.9 | 337.6 | 453 | 8 |
| Jun 2009 | 332.8 | 332.8 | 336 | 332.8 | 336 | 3.2 | 336.5 | 337.9 | 407 | 66 |
| Total | 85 |
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