Why there's only one tick?

 
 
The daya/quotes/price is related to the broker you selected for your trading.
So, it is something about your broker or your connection to the broker's server.
 
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Sergey Golubev #:
daya/报价/价格与您为交易选择的经纪商有关。
因此,这与您的代理或您与代理服务器的连接有关。
William Roeder #:
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thanks for answering. 

Reason: