What are the risks of pre - and after-hours trading?

When trading before or after hours, users should consider the following risks:

(1) Market liquidity risk Market liquidity refers to the ability of assets to be successfully liquidated at a more reasonable price. If there is sufficient liquidity in the market and more orders are filled, investors have a better chance to buy or sell stocks at a better price. During pre-market or after-market trading, market liquidity is generally lower than during regular trading hours, and pending orders during pre-market or after-market hours may result in only partial or no trading due to market liquidity risks.

(2) Volatility risk Volatility risk refers to the risk arising from the price change of a stock during the trading session. In general, the higher the volatility of a stock, the greater the change in its price. Pre-market or after-hours trading sessions can be more volatile than regular trading sessions. As a result, pending orders placed before or after the market may be partially closed or unclosed due to volatility risk. The transaction price may also be less than the ideal intraday transaction price.

(3) Market unconnected risk The price of the same stock may not appear the same during the pre-market or after-market period. As a result, the transaction price of one pre-market or after-market trading system may differ from the transaction price of another pre-market or after-market trading system.

(4) Risk of price movements The price at which the stock trades during the pre-market or after-market hours may not reflect the opening price of the regular trading session or the opening price of the following morning. As a result, there is a chance that the transaction price in the pre-market or after-market session will not be as good as in the regular trading session.

(5) Risk of Material News announcements Under normal circumstances, important financial information announcements and material news affecting its stock are usually announced outside of regular trading hours. When major news is announced before or after hours, this, combined with relatively low liquidity and relatively high volatility, can cause the stock to reach an unsustainable inflated price in a short period of time.

The spread is the difference between the price at which a stock is bought and sold. Lower liquidity and higher volatility in pre-market or after-market periods may cause stock price differentials to be wider than normal. Note: Pre-market and post-market orders will be directly submitted to the exchange for matching, some stock orders may not be guaranteed to be 100% traded before and after the market; Uncompleted orders will be automatically transferred to the continuous trading session for matching; If the user wishes to trade before and after the market, the user needs to click "Allow" before and after the market and set a period before each order.