Minimum Price Fluctuation: 0.1yen/kilogram
| Month | Last | Open | High | Low | Close | Change | Bid | Ask | Open Interest | Volume |
| Aug 2008 | 297.2 | 312 | 312 | 312 | 312 | 14.8 | --- | 312.5 | 208 | 63 |
| Oct 2008 | 315 | 313 | 313 | 313 | 313 | -2 | --- | 312.5 | 243 | --- |
| Dec 2008 | 315 | 313 | 313 | 313 | 313 | -2 | --- | --- | 385 | --- |
| Feb 2009 | 315 | 313 | 313 | 313 | 313 | -2 | 310 | 318 | 251 | --- |
| Apr 2009 | 316.6 | 315.7 | 316.7 | 315.7 | 316.7 | 0.1 | 312.5 | 317 | 148 | 2 |
| Jun 2009 | 318.1 | 317.4 | 318.4 | 316 | 316.1 | -2 | 314.9 | 316.1 | 265 | 18 |
| Total | 83 |
