① 只持有上海石化(600688)的收益为:-24.26%
② (600688 vs 300558)按1:1配对交易，对冲风险组合收益为:99.83%
③ (600688 vs 603605)按1:1配对交易，对冲风险组合收益为:96.30%
④ (600688 vs 603345)按1:1配对交易，对冲风险组合收益为:96.23%
⑤ (600688 vs 002371)按1:1配对交易，对冲风险组合收益为:96.01%
⑥ (600688 vs 601100)按1:1配对交易，对冲风险组合收益为:93.35%
⑦ (600688 vs 603258)按1:1配对交易，对冲风险组合收益为:92.77%
⑧ (600688 vs 603658)按1:1配对交易，对冲风险组合收益为:85.50%
⑨ (600688 vs 603022)按1:1配对交易，对冲风险组合收益为:85.42%
ⓐ (600688 vs 603882)按1:1配对交易，对冲风险组合收益为:83.17%
ⓑ (600688 vs 000661)按1:1配对交易，对冲风险组合收益为:82.18%