A135 I When mixi's shares were listed on September 14, 2006, there was a rush to buy them. The stocks bid price went up to 3.15 million yen at the start of the session, and remained untraded until the session closed. On the second day of trading, September 15, there was a turnaround, with increased sell orders. During that morning, the initial trading price for the stock was 2.95 million yen per share. The correct answer is. On September 15, the closing price was 3.12 million yen, approximately twice the IPO.