Side of order
Valid values:
| '1' | Buy |
| '2' | Sell |
| '3' | Buy minus |
| '4' | Sell plus |
| '5' | Sell short |
| '6' | Sell short exempt |
| '7' | Undisclosed (valid for IOI (6) message only) |
| '8' | Cross (orders where counterparty is an exchange, valid for all messages except IOIs) |
Used in: