We process UpdateTypeNum 1 for trade and 2 for quite. From some exchange such as AT we only get UpdateTypeNum 0 type message. As a result,we don't have any trade or quotes for all the trades.
This is happening also for exchange BU, F, LA, TA.
Here is few Securities:
"OPAr.AT", "OTEr.AT", "TENr.AT"