# Multi Commodity Exchange of India (MCX) Enumerations

The Multi Commodity Exchange of India (MCX) offers trading in futures and options on metals, energy, and agricultural commodities.

The following fields have Enumerations:

* BOOK_TYPE - Type of order book or trading mechanism through which a trade was executed.
* CALL_PUT_IND - “C” - Call option, “P” - Put option
* 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            |

#### CALL_PUT_IND - Enumeration

| Enumeration ID   | Enumeration Description   |
|------------------|---------------------------|
| C                | Call option               |
| P                | Put option                |

#### TRADE_PERIOD - Enumeration

| Enumeration ID   | Enumeration Description   |
|------------------|---------------------------|
| O                | Opening auction           |
| -                | Regular trading           |

#### TRADE_TYPE - Enumeration

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