Before revision:  The price is either directly adopted from the real stock market indices or generated with the Markov chain of order \le 2. Each scheme's success is quantified by average wealth accumulated by the traders equipped with the scheme.
After revision:  The price is either directly adopted from the real stock market indices or generated with a Markov chain of order \le 2. Each scheme's success is quantified by average wealth accumulated by the traders equipped with the scheme.