Soybean oil futures have been largely tied to the petroleum market, staying near their break-even price for biodiesel production.

豆油期价在很大程度上与石油市场保持关联，就生物柴油的生产而言，基本处于保本价格。

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This article introduces the support vector regression (SVR) principle into the petroleum futures forward price and has carried on the empirical analysis by the US crude price.

本文将SVR原理引入到石油期货价格的时间序列中，并以美原油价格进行了实证分析。

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