Minimum Price Fluctuation: 0.1yen/kilogram
| Month | Last | Open | High | Low | Close | Change | Bid | Ask | Open Interest | Volume |
| Oct 2008 | 314 | 308.6 | 308.6 | 306 | 307 | -7 | 305 | 307.5 | 51 | 55 |
| Dec 2008 | 311 | 304.5 | 304.5 | 304.5 | 304.5 | -6.5 | --- | --- | 236 | --- |
| Feb 2009 | 311 | 305 | 305 | 305 | 305 | -6 | --- | 318 | 382 | --- |
| Apr 2009 | 310.5 | 305.3 | 305.3 | 305.3 | 305.3 | -5.2 | 298.8 | 309.8 | 197 | 1 |
| Jun 2009 | 309.7 | 302.3 | 302.3 | 298.1 | 298.1 | -11.6 | 298.4 | 307.1 | 133 | 2 |
| Aug 2009 | 312.5 | 309.9 | 309.9 | 304.2 | 305 | -7.5 | 305 | 307.3 | 236 | 39 |
| Total | 97 |
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