Understand A-shares, Hong Kong stocks, US stocks, and encryption in one article!

A-share
Definition: Common stocks issued by domestic companies, listed on the Shanghai and Shenzhen stock exchanges, and traded in RMB.
Trading hours: 9:15-9:25 opening centralized bidding, 9:30-11:30/13:00-14:57 continuous bidding, 14:57-15:00 closing centralized bidding.
Trading Mechanism: T+1 for trading, T+1 for settlement.
Trading unit: 100 shares constitute 1 lot
Price fluctuation: Ordinary stocks and ST stocks ±10%, Sci-Tech Innovation Board/ChiNext ±20%, Beijing Stock Exchange ±30%, retail investors account for over 80% of institutions ( public offerings/social security/insurance funds ), influenced by policy regulation, macroeconomics, and industry prosperity.

Hong Kong stocks
Definition: Stocks listed on the Hong Kong Stock Exchange, H-shares, and red chip stocks
Trading Hours: 9:00-9:30 ( Order ), Continuous trading from 9:30-12:00/13:00-16:00, Closing auction from 16:00-16:10.
Trading mechanism: T+0 trading, T+2 settlement
Trading unit: The number of shares per lot is determined by the company, commonly 100-5000 shares.
Price fluctuation: No restrictions, trading will be suspended for 5 minutes when the market volatility adjustment mechanism is triggered.

US stock market
Definition: Stocks registered in the United States or listed on US exchanges, denominated in US dollars.
Trading hours: Daylight Saving Time 21:30-4:00 the next day, 16:00-21:30 ( pre-market ), 4:00-8:00 ( post-market ), Winter Time extends by 1 hour.
Trading Mechanism: T+0 trading, T+2 settlement
Trading unit: starting from 1 share
Price fluctuation: No restrictions, set three levels of circuit breaker: S&P 500 drops 7%/13%/20%,
Stop for 15 minutes/1 hour/all day

encryption currency
Definition: Blockchain technology and tokens issued in a decentralized manner.
Trading hours: 24 hours uninterrupted
Trading Mechanism: Trade Anytime
Trading unit: No limits
Price fluctuation: No limit
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