China has several major stock exchanges:
- Shanghai Stock Exchange (SSE): Established in 1990, it is one of the largest stock exchanges in China, primarily trading A-shares and bonds.
- Shenzhen Stock Exchange (SZSE): Also established in 1990, it mainly trades A-shares, B-shares, and ChiNext (Growth Enterprise Market) stocks, focusing on supporting small and innovative enterprises.
- Beijing Stock Exchange (BSE): Established in 2021, it mainly serves innovative small and medium-sized enterprises, aiming to enhance capital market support for SMEs.
- Hong Kong Stock Exchange (HKEX): Located in Hong Kong, it is a highly internationalized exchange, mainly trading Hong Kong stocks and other derivatives.
Stock code formats in China vary by exchange and stock type. Typically, you can identify the type of stock based on the prefix or structure of its code. Below are common coding rules and the corresponding stock types:
| Stock Type | Code Format | Exchange |
|---|---|---|
| A-shares | Starts with “6” or “0” | SSE (6 prefix), SZSE (0 prefix) |
| B-shares | Starts with “9” | SZSE |
| ChiNext | Starts with “3” | SZSE |
| BSE Stocks | Starts with “8” | BSE |
| H-shares | Typically 5-digit numbers | HKEX |
Trading Rules
| Stock Type | Price Fluctuation Limit | Trading Hours | Settlement |
|---|---|---|---|
| A-shares | ±10%, ±20% for STAR/ChiNext | Mon–Fri: 9:30–11:30, 13:00–15:00 | T+1 |
| B-shares | ±10% | Same as A-shares | T+1 |
| ChiNext | ±20% | Same as A-shares | T+1 |
| BSE Stocks | ±30% | Same as A-shares | T+1 |
| H-shares | No limit | Mon–Fri: 9:30–12:00, 13:00–16:00 (HK Time) | T+0 |
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