| 摘要 |
In at least one aspect, the invention comprises a computer-implemented method comprising: electronically receiving data regarding prices of exchange-traded futures contracts on physical commodities; selecting, based on said received data, one or more of said futures contracts to be referenced by a commodity index; identifying, on a periodic basis, one or more deferred futures contracts into which said selected one or more futures contracts will roll; and providing one or more derivative products linked to said commodity index. In at least one aspect, the invention comprises a commodity index that references exchange-traded futures contracts on physical commodities, wherein one or more deferred futures contracts into which the futures contracts will roll are identified on a periodic basis, and wherein said one or more deferred futures contracts are identified based on an effective spot price. In at least one aspect, the invention comprises a derivative product linked to a commodity index.
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