Tick size is the bottom line of price spreads, the subtleness of which great affects the prices and market efficiency.
最小价格变化单位是买卖价差的底线，设置过高会人为地提高买卖价差的水平，增加交易费用；
Tick size is the bottom line of price spreads, the subtleness of which great affects the prices and market efficiency.
最小价格变化单位是买卖价差的底线，设置过高会人为地提高买卖价差的水平，增加交易费用；
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