FUTU HK Help Center-Why use pre and post-market prices to calculate the market capitalization and profits and losses of stocks during respective period
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Help Center Trading Ability Trading in US Market Trading Rules Why use pre and post-market prices to calculate the market capitalization and profits and losses of stocks during respective period

Why use pre and post-market prices to calculate the market capitalization and profits and losses of stocks during respective period

Extended trading is also a regular session of the exchange, and pre and post-market prices generally respond in advance to financial reports and market fluctuations, based on risk control reasons and with reference to the treatment of the industry, the latest pre and post-market prices are used to calculate profits and losses and market value. When business date switchs, that is, after 00:00 US Eastern time, the closing price will be used to calculate the market value and profit or loss of the stock.

Market Insights
Petroleum
No. Symbol 20D % Chg
Sample Name
Sample Code
 +7.38%
Sample Name
Sample Code
 +5.04%
Sample Name
Sample Code
 -1.37%
4
SINOPEC CORP
00386
-2.17%
5
KUNLUN ENERGY
00135
-3.75%
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No. Symbol 20D % Chg
Sample Name
Sample Code
 +40.05%
Sample Name
Sample Code
 +31.93%
Sample Name
Sample Code
 +24.72%
4
Business-intelligence Of Oriental Nations Corporation
300166
+22.15%
5
Digital China Group
000034
+15.04%
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