Minimum Price Fluctuation: 0.1yen/kilogram
| Month | Last | Open | High | Low | Close | Change | Bid | Ask | Open Interest | Volume |
| Aug 2008 | 315 | 308.1 | 308.1 | 308.1 | 308.1 | -6.9 | --- | 307.6 | 209 | --- |
| Oct 2008 | 315.5 | 312 | 312 | 312 | 312 | -3.5 | --- | --- | 243 | --- |
| Dec 2008 | 316 | 311 | 311 | 311 | 311 | -5 | 300 | 311.1 | 386 | 1 |
| Feb 2009 | 310 | 311.5 | 311.5 | 311 | 311 | 1 | 310.8 | 316.3 | 251 | 2 |
| Apr 2009 | 323.7 | 316.9 | 316.9 | 312.6 | 312.6 | -11.1 | 311.7 | 320 | 136 | 21 |
| Jun 2009 | 322.5 | 317.5 | 317.5 | 315 | 315.4 | -7.1 | 315 | 315.8 | 286 | 19 |
| Total | 43 |
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