# Cboe Australia (CXA) Enumerations

Cboe Australia, formerly Chi-X Australia, is an alternative trading system providing trading in Australian equities, ETFs, and other listed securities.

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 order book            |
|                1 | Off-book                  |
|                2 | Dark book                 |

#### TRADE_PERIOD - Enumeration

| Enumeration ID   | Enumeration Description   |
|------------------|---------------------------|
| -                | Regular trading           |
| T                | Trading at closing price  |

#### TRADE_TYPE - Enumeration

| Enumeration ID   | Enumeration Description                   |
|------------------|-------------------------------------------|
| 0                | Regular trade                             |
| 112              | Portfolio trade (delayed)                 |
| 116              | Large principal trade (delayed)           |
| 66               | Block trade                               |
| 67               | Broker preferenced trade                  |
| 69               | Out of hours trade                        |
| 70               | ETF unit creation / redemption            |
| 76               | Permitted trade during post-trading       |
| 77               | Permitted trade during pre-trading        |
| 80               | Portfolio trade                           |
| 83               | Trade with price improvement              |
| 84               | Large principal trade                     |
| B                | BIDS Block trade                          |
| C                | Regular trade against hidden limit order  |
| F                | Far point trade                           |
| FB               | Far point trade with broker preferencing  |
| I                | BIDS Price Improved trade                 |
| M                | MOC trade                                 |
| MB               | MOC trade with broker preferencing        |
| N                | Near point trade                          |
| NB               | Near point trade with broker preferencing |
| P                | Midpoint trade                            |
| PB               | Midpoint trade with broker preferencing   |