This monthly figure is available on the last business day of the month and has low volatility.

通常，这个数字在每月的最后一个工作日公布。

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The author analyzes the indexes of stock price and their monthly excessive return rate in Shanghai and Shenzhen Market. Relative high volatility exists in China's security market.

对上海和深圳市场股价指数及其月度超额收益率的分析表明，我国股票市场的波动性较大；

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"We get caught up in the monthly volatility of the data, and we need to step back, " she said.

WSJ: Fed survey: Housing and auto sales lift US economy

Ministry officials emphasized that monthly volatility in the data was common, as was frequently the case in 2012 when strong months would be followed by weak, and vice versa.

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Although the annualised monthly volatility of European share prices was around 12% in January, it has shot up to over 27% in the latest quarter, and to over 35% for the euro area alone.

ECONOMIST: Stockmarket volatility