| 向前预测方法 | 支持向量回归 | ||||
| 年份 | 收益率 | 套期交换次数 | 年份 | 收益率 | 套期交换次数 |
| 2009 | 26.3% | 8 | 2009 | −2.5% | 15 |
| 2010 | 18.9% | 3 | 2010 | 22.9% | 19 |
| 2011 | −5.9% | 6 | 2011 | 21.0% | 16 |
| 2012 | −11.5% | 6 | 2012 | 4.7% | 17 |
| 2013 | 33.2% | 6 | 2013 | 31.2% | 14 |
| 2014 | −4.4% | 7 | 2014 | −2.2% | 18 |
| 平均值 | 9.4% | 4.2 | 平均 | 12.53% | 16.5 |