TABLE 6.
Statistics of initial public offering underpricing in various boards.
| Stage | Board | Initial return | |
| Mean | Standard deviation | ||
| Stage 1 (2016∼2017) | Main board | 33.9 | 48.6 |
| Small and medium board | 44.3 | 56.2 | |
| GEM | 31.5 | 37.2 | |
| Stage 2 (2017∼2018) | Main board | 54.3 | 8.6 |
| Small and medium board | 53.9 | 1.5 | |
| GEM | 54.8 | 9.3 | |