Minimum Price Fluctuation: 0.1yen/kilogram
| Month | Last | Open | High | Low | Close | Change | Bid | Ask | Open Interest | Volume |
| Aug 2008 | 310.3 | 315 | 315 | 315 | 315 | 4.7 | 312 | 321.5 | 210 | 2 |
| Oct 2008 | 321 | 316 | 316 | 316 | 316 | -5 | 315 | 315.3 | 244 | 1 |
| Dec 2008 | 322 | 317.9 | 317.9 | 317.8 | 317.8 | -4.2 | 317.8 | 319.8 | 386 | 2 |
| Feb 2009 | 323 | 319.5 | 322.3 | 318 | 318.5 | -4.5 | 318 | 322.3 | 255 | 217 |
| Apr 2009 | 325.3 | 321 | 322.1 | 320 | 320 | -5.3 | 319.5 | 320 | 411 | 352 |
| Jun 2009 | 326 | 322 | 323 | 321.1 | 321.8 | -4.2 | 321.3 | 325.5 | 466 | 177 |
| Total | 751 |
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