Although the study of DSSW model confirmed the noise trader obtained more gain than arbitrageur, the arbitrageur restricted the fluctuation of price and the benefit space of noise trader.

• DSSW模型研究证实了噪声交易者获得的平均收益甚至要高于套利者，但套利者的存在依然抑制了价格的波动，从而也限制了噪声交易者的获利空间。