# Metropolitan Stock Exchange of India Enumerations

The Metropolitan Stock Exchange of India (MSEI) offers trading in equities, bonds, ETFs, and derivatives.

The following fields have Enumerations:

* BOOK_TYPE - Type of order book or trading mechanism through which a trade was executed.
* TRADE_PERIOD - Market period during which a trade was executed.
* TRADE_TYPE - Type of trade

#### BOOK_TYPE - Enumeration

|   Enumeration ID | Enumeration Description   |
|------------------|---------------------------|
|                0 | Lit book                  |

#### TRADE_PERIOD - Enumeration

| Enumeration ID   | Enumeration Description   |
|------------------|---------------------------|
| -                | Regular trading           |

#### TRADE_TYPE - Enumeration

| Enumeration ID   | Enumeration Description   |
|------------------|---------------------------|
| ‘””’             | Regular trade             |