# Stock Exchange of Thailand Enumerations

The Stock Exchange of Thailand facilitates trading in Thai company stocks, bonds, derivatives and other products.

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                  |
|                3 | Odd lot book              |

#### MKT_PHASE - Enumeration

| Enumeration ID    | Enumeration Description                                     |
|-------------------|-------------------------------------------------------------|
| AUTO_PAUSE_E      | Trading pause (due to unusually high order volume)          |
| CIRCUIT_BREAKER_E | Circuit breaker                                             |
| CLOSE_E           | Closed                                                      |
| CLOSE_L           | Closed                                                      |
| DAY_E             | Continuous trading (day session)                            |
| EXPIRED_E         | Expired                                                     |
| FREEZE1_E         | Freeze (no orderbook access or trade reporting)             |
| FREEZE2_E         | Freeze (no orderbook access or trade reporting)             |
| FREEZE3_E         | Freeze (no orderbook access or trade reporting)             |
| FULLHALT_E        | Halted, no orderbook access                                 |
| FULLHALT_L        | Halted, no orderbook access                                 |
| HALT_E            | Halted                                                      |
| HALT_L            | Halted                                                      |
| HALT_N_E          | Halted (no trade reporting)                                 |
| INTERMISSION_E    | Intermission (break between morning + afternoon sessions)   |
| INTERMISSION1_E   | Intermission (break after end of day session)               |
| INTERMISSION2_E   | Intermission (break before start of night session)          |
| MARKETCLOSE_E     | Market close                                                |
| MARKETCLOSE_L     | Market close                                                |
| NIGHT_E           | Continuous trading (night session)                          |
| NO-MATCHING1_E    | No order matching                                           |
| NO-MATCHING2_E    | No order matching                                           |
| OFF-HOUR_E        | Post-market                                                 |
| OFF-HOUR_L        | Post-market                                                 |
| OPEN_E            | Continuous trading                                          |
| OPEN1_E           | Continuous trading (morning session)                        |
| OPEN2_E           | Continuous trading (afternoon session)                      |
| PAUSE_E           | Pause                                                       |
| PRE-CLOSE_E       | Closing auction                                             |
| PRE-CLOSE1_E      | Closing auction (night session)                             |
| PRE-DAY_E         | Pre-open (day session)                                      |
| PRE-NIGHT_E       | Pre-open (night session)                                    |
| PRE-OPEN_CB_E     | Re-opening auction (after instrument-level circuit breaker) |
| PRE-OPEN_E        | Pre-open                                                    |
| PRE-OPEN_L        | Pre-open                                                    |
| PRE-OPEN1_E       | Pre-open (morning session)                                  |
| PRE-OPEN2_E       | Pre-open (afternoon session)                                |
| PRE_OPEN_P_E      | Re-opening auction (after a trading pause)                  |
| RESET_STAT_E      | Reset statistics at end of day                              |
| RESET_STAT_L      | Reset statistics at end of day                              |
| SAVECLOSING_E     | Closing price calculation                                   |
| SAVECLOSING_L     | Closing price calculation                                   |
| STARTUP_E         | Start of day                                                |
| STARTUP_L         | Start of day                                                |
| SUSPEND_E         | Suspended                                                   |
| SUSPEND_L         | Suspended                                                   |
| SUSPEND_N_E       | Suspended (no trade reporting)                              |
| TRANSITION1_E     | End of morning session                                      |
| TRANSITION2_E     | End of afternoon session                                    |
| TRANSITION3_E     | End of night session                                        |

#### TRADE_PERIOD - Enumeration

| Enumeration ID   | Enumeration Description   |
|------------------|---------------------------|
| -                | Regular trading           |
| A                | Auction                   |
| C                | Closing auction           |
| I                | Intraday auction          |
| O                | Opening auction           |
| U                | Unscheduled auction       |

#### TRADE_TYPE - Enumeration

|   Enumeration ID | Enumeration Description       |
|------------------|-------------------------------|
|                0 | Regular trade                 |
|                1 | Trade report                  |
|                2 | Auction trade                 |
|                4 | Odd lot trade [from 20200113] |
|                5 | Trade report [until 20200110] |