•TICK_FLAG_BID – tick has changed a Bid price 2 0x2
•TICK_FLAG_ASK – a tick has changed an Ask price 4 0x4
•TICK_FLAG_LAST – a tick has changed the last deal price 8 0x8
•TICK_FLAG_VOLUME – a tick has changed a volume 16 0x10
•TICK_FLAG_BUY – a tick is a result of a buy deal 32 0x20
•TICK_FLAG_SELL – a tick is a result of a sell deal 64 0x40
