昨天收盘时80.86的数值是VIX——芝加哥期权交易所波动性指数从1990年创立至今的最高值。
Yesterday's close of 80.86 was the highest for the VIX, formally known as the Chicago Board Options Exchange Volatility Index, since calculations started in 1990.
这套系统测试1996-2007年期间，在相似的波动性之下，所产出的回报每年平均超过标准普尔指数1个多百分点。
Testing this system over the period 1996-2007 produces returns that beatthe S&P500 index by more than a percentage point a year with similarvolatility.
高波动性通常是市场存在不确定性的迹象，而不确定性总是会促使投资者抛售股票，因此波动指数处在高位一般是股市的凶召。
High volatility is often a sign of market uncertainty, and uncertainty usually inspires people to sell stocks, so high VIX readings are usually bad omens for the market.
这张图上也标示了过去30个交易日里SP500指数的波动性。
The chart also displays the S&P 500's volatility, as determined by its swings during the past 30 trading days.
其实，经合组织发现更大量的指数基金交易的“持续倾向”总是与降低不断降低的波动性一致。
Indeed, the OECD found a "consistent tendency" for greater volumes of index-fund trading to sit alongside declining volatility.
在针阔混交林向阔叶林演替过程中，物种丰富度指数表现为较大的波动性。
In the process of secondary succession from conifer - broadleaf forest to broadleaf forest, species richness fluctuated remarkably.
在构建市场信心指数和市场活跃指数的基础上，借助于GARCH-M模型对市场的信息变量与波动性的关系进行研究。
The paper constructs market confidence index and market activity index, and then analyzes the relations of these information variables and the volatility by dint of GARCH-M model.
行业股票价格指数的波动性常用来衡量行业的风险。
Vola- tilities of industrial stock price indices are often used to measure the industrial risks.
通过噪声带宽分别衡量不同指数平滑预测模型引起供应链库存波动的程度，并且通过匹配滤波的方法可以减少不同预测模型引起供应链的波动性。
The extent of inventory fluctuating induced by different smoothing forecasting model can be measured by noise bandwidth, and the inventory fluctuating can be reduced by matched filtering.
波动性依然是市场的主要玩家，交易波动所指数为80点。
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；
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；
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.
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