Price limit sponsor claim that price limit reduces stock price volatility, avoids non-rational overreaction and does not interfere with trading activities.

• 赞同设置涨跌幅限制的研究宣称，涨跌幅限制可以降低股票价格波动，防止投资人非理性的过度反应，而且不会影响正常的交易活动；