Minimum Price Fluctuation: 0.1yen/kilogram
| Month | Last | Open | High | Low | Close | Change | Bid | Ask | Open Interest | Volume |
| Aug 2008 | 313 | 315 | 315 | 315 | 315 | 2 | --- | --- | 209 | --- |
| Oct 2008 | 313.5 | 315.5 | 315.5 | 315.5 | 315.5 | 2 | --- | --- | 243 | --- |
| Dec 2008 | 314 | 316 | 316 | 316 | 316 | 2 | 315 | --- | 386 | --- |
| Feb 2009 | 316.9 | 310 | 310 | 310 | 310 | -6.9 | 311 | 327 | 251 | 2 |
| Apr 2009 | 312.4 | 315 | 323.7 | 315 | 323.7 | 11.3 | 313.3 | 323 | 193 | 90 |
| Jun 2009 | 315.1 | 317.1 | 322.5 | 316.1 | 322.5 | 7.4 | 315 | 322 | 479 | 232 |
| Total | 324 |
