# MIAX Futures Exchange Enumerations

MIAX Futures provides the Minneapolis Grain Exchange, offering trading in Hard Red Spring Wheat Futures & Options.

The following fields have Enumerations:

* AGGRESSOR_SIDE - Indicates whether a trade resulted from an incoming buy or sell order.
* BOOK_TYPE - Type of order book or trading mechanism through which a trade was executed.
* CALL_PUT_IND - “C” - Call option, “P” - Put option
* 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

#### AGGRESSOR_SIDE - Enumeration

| Enumeration ID   | Enumeration Description                                          |
|------------------|------------------------------------------------------------------|
| ‘””’             | Undefined (e.g. auction trades, implied trades, off-book trades) |
| B                | Buy                                                              |
| S                | Sell                                                             |

#### BOOK_TYPE - Enumeration

| Enumeration ID   | Enumeration Description                                                                  |
|------------------|------------------------------------------------------------------------------------------|
| 0                | Lit order book                                                                           |
| 1                | Off-book                                                                                 |
| S                | Strategy leg [trade reported in each of outright leg when two spread orders are matched] |

#### CALL_PUT_IND - Enumeration

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

#### MKT_PHASE - Enumeration

|   Enumeration ID | Enumeration Description   |
|------------------|---------------------------|
|                1 | Per-open                  |
|                2 | Opening freeze            |
|                3 | Trading                   |
|                4 | Halt                      |
|                5 | Operational halt          |
|                6 | Closed                    |

#### TRADE_PERIOD - Enumeration

| Enumeration ID   | Enumeration Description   |
|------------------|---------------------------|
| A                | Auction                   |
| -                | Regular trading           |

#### TRADE_TYPE - Enumeration

| Enumeration ID   | Enumeration Description      |
|------------------|------------------------------|
| 0                | Regular trade                |
| A                | Adjusted / late manual trade |
| C                | Implied trade (strategy)     |
| L                | Implied trade (outright)     |
| M                | Strategy leg trade           |
| O                | Regular trade (outright)     |
| S                | Regular trade (strategy)     |