在法国股市,“最小价格变动量”越大,价差就越高,相当于征收了一笔税:而他们会使波动性有所增加。
On the French stock market, coarser "tick sizes" raise spreads and act like a tax: they increase volatility.
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.
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