# Shenzhen Stock Exchange Enumerations

The Shenzhen Stock Exchange is one of the two stock exchanges operating independently in mainland China.

The following fields have Enumerations:

* BOOK_TYPE - Type of order book or trading mechanism through which a trade was executed.
* MKT_PHASE - Indicates the instrument’s current market phase, as specified by the trading venue
* TRADE_PERIOD - Market period during which a trade was executed.
* TRADE_TYPE - Type of trade

#### BOOK_TYPE - Enumeration

|   Enumeration ID | Enumeration Description   |
|------------------|---------------------------|
|                0 | Lit order book            |
|                1 | Off-book                  |

#### MKT_PHASE - Enumeration

| Enumeration ID   | Enumeration Description   |
|------------------|---------------------------|
| 65               | After-hours trading       |
| 66               | Break                     |
| 67               | Closing auction           |
| 69               | Closed                    |
| 72               | Temporary suspension      |
| 79               | Opening auction           |
| 83               | Start of day              |
| 84               | Continuous trading        |
| 86               | Volatility halt           |
| SUSP             | Suspended                 |

#### TRADE_PERIOD - Enumeration

| Enumeration ID   | Enumeration Description   |
|------------------|---------------------------|
| -                | Regular trading           |
| C                | Closing auction           |
| O                | Opening auction           |
| T                | Trading at closing price  |

#### TRADE_TYPE - Enumeration

| Enumeration ID   | Enumeration Description       |
|------------------|-------------------------------|
| ‘””’             | Regular trade                 |
| 0                | Regular trade                 |
| 1                | After-hours fixed price trade |
| 102              | Negotiated trade              |
| 103              | Click trade                   |
| 104              | Inquiry trade                 |
| 105              | Bidding trade                 |