# B3 - Derivatives (BM&F) Enumerations

B3’s Bovespa equities segment is Brazil’s main Derivatives exchange for trading futures and equity options.

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_SESSION - Trading session from which a trade originates, e.g. “Day”, “Night”
* TRADE_TYPE - Type of trade

#### BOOK_TYPE - Enumeration

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

#### CALL_PUT_IND - Enumeration

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

#### TRADE_PERIOD - Enumeration

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

#### TRADE_SESSION - Enumeration

| Enumeration ID   | Enumeration Description    |
|------------------|----------------------------|
| Ext              | Extended hours T+0 trading |
| T+0              | Regular hours (T+0)        |
| T+1              | After-hours T+1 trading    |

#### TRADE_TYPE - Enumeration

|   Enumeration ID | Enumeration Description                                       |
|------------------|---------------------------------------------------------------|
|                0 | Regular trade                                                 |
|                1 | Cross trade                                                   |
|               24 | After-hours trade                                             |
|               25 | Retail Liquidity trade                                        |
|               26 | Out of sequence trade [e.g. reinsertion of a cancelled trade] |