但是不同于市场庄家，他们在股市震荡时没有义务这样做。
But unlike marketmakers, they are not obliged to do so during bouts of turbulence.
参与- 衡量市场庄家在其负责安全的参与能力。
Participation - Measures the participation of Market Makers in their security of responsibility.
流动性-市场庄家的措施是否有合理的深度的报价。
Liquidity - Measures whether Market Makers are lining the book with reasonable depth.
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