Identifies the trading status applicable to the transaction. Valid values: 1 = Opening Delay 2 = Trading Halt 3 = Resume 4 = No Open/No Resume 5 = Price Indication 6 = Trading Range Indication 7 = Market Imbalance Buy 8 = Market Imbalance Sell 9 = Market On Close Imbalance Buy 10 = Market On Close Imbalance Sell 11 = (not assigned) 12 = No Market Imbalance 13 = No Market On Close Imbalance 14 = ITS Pre-Opening 15 = New Price Indication 16 = Trade Dissemination Time 17 = Ready to trade (start of session) 18 = Not Available for trading (end of session) 19 = Not Traded on this Market 20 = Unknown or Invalid