The weight of each component for the TG Index from April 1, 2011 has been decided as follows.
In principle, the weight of each component is reviewed every December. The newly reviewed weights will be applicable from 1st business day of April the following calendar year until the last business of March.
The weight are determined according to the average scale of the cash market of each component for the past 3 years; 2 years prior to the year of calculation.
The url of TG Index https://www.tge.or.jp/english/price/tgeindex.shtml
| Fiscal year Commodity | 2005 | 2006 | 2007 | 2008 | Until Sep. 2009 | From Oct. 2009 | 2010 | 2011 |
| Corn | 30.31% | 31.22% | 31.30% | 31.04% | 31.04% | 32.05% | 33.19% | 33.50% |
| Spybeans | 19.76% | 20.02% | 18.37% | 15.34% | 15.34% | 14.51% | 14.12% | 14.59% |
| Non-GMO Soybeans | 5.58% | 5.85% | 5.88% | 5.37% | 5.37% | 5.61% | 5.33% | 5.43% |
| Azuki (red beans) | 3.93% | 4.12% | 3.93% | 3.73% | 3.73% | 2.73% | 2.25% | 2.20% |
| Rice | 4.45% | 4.85% | 5.08% | 5.22% | 5.22% | 5.00% | 4.34% | 5.08% |
| Wheat | 21.76% | 20.96% | 20.01% | 20.47% | 20.47% | 20.88% | 24.26% | 23.34% |
| Arabica Coffee | 6.48% | 6.50% | 8.72% | 10.77% | 10.77% | 11.13% | 9.05% | 8.79% |
| Robusta Coffee | 0.92% | 0.87% | 1.04% | 1.40% | 1.40% | 1.79% | 2.02% | 2.05% |
| Raw Sugar | 5.99% | 4.94% | 5.08% | 6.03% | 6.03% | 6.30% | 5.44% | 5.02% |
| Raw Silk | 0.82% | 0.67% | 0.59% | 0.63% | 0.63% | - | - | - |
| Total | 100.00% | 100.00% | 100.00% | 100.00% | 100.00% | 100.00% | 100.00% | 100.00% |
