实际波动率以金融市场实际价格走势为准。
Realised volatility looks at the actual movements of prices in financial markets.
这是因为隐含波动率通常高于实际波动率。
This is because implied volatility is generally higher than realised.
理论上，当波动率很高时，市场通常是在下跌。
The theory is that, when volatility is high, markets are usually falling. That is because there is rarely such a thing as a "forced buyer" of shares.
当波动率较低时，投资者被诱导去承受更大风险。
When volatility is low, investors are tempted to take more risks.
证劵市场明显下跌，商品价格下跌，波动率上扬。
Stock markets are down sharply, commodity prices have tumbled and volatility is up.
衡量波动率有两种方法。
打赌出现更高波动率的代价可能仅是提高这样的代价。
The expense of betting on higher volatility may simply be putting them off.
在过去的5年当中，其波动率一会是50，一会又是15。
Over the past five years, its volatility was 50 at one point and 15 at another.
换句话说，多数时候，赌波动率保持较低水平是要付出代价的。
In other words, most of the time, it pays to bet on volatility staying low.
金融市场实质上包括一系列特定波动率的价格脉动。
Financial markets essentially comprise a series of impulses that produce price movements with specific rates of vibration.
研究标的股票收益与波动率相关下的备兑权证定价。
Studies the pricing of covered warrants on correlation between returns and volatility.
股票价格的波动率是股票衍生品价格的决定性因素。
The volatility of stock price is a decisive factor in derivatives pricing.
在本文中，我们的目的是在波动率估计中讨论组合方法。
In this paper, our purpose is to discuss the integrated method in the estimation of volatility.
因此投资者完全不必如此自满地任由隐含波动率游离于如此低位状态。
So it need not necessarily be that investors are complacent in allowing implied volatility to drift so low.
自基金成立以来的年化回报率为17.9%，而波动率仅为股市的一半。
Since inception, it's had 17.9% annualized returns with half the volatility of stocks.
结果表明，均值回复和随机波动率在衍生品定价中起重要影响。
It also is shown that mean reversion and stochastic volatility can have a major impact on derivative prices.
本文研究了随机波动率模型的最小熵鞅测度和效用无差别定价。
This paper deals with the minimal entropy martingale measure and utility indifference pricing concerning a stochastic volatility model.
量度期权标的资产价格波动率的变动如何影响期权价值的指标。
The measure of change in the value of the option compared with a change in volatility.
投资银行美林对基金经理做了个调查，其中82%认为今年的波动率会提高。
A survey of fund managers by Merrill Lynch, an investment bank, found 82% expected volatility to rise this year.
确定原生资产的隐含波动率无论是在理论还是实际应用上都有重要意义。
Identifying the implied volatility of underlying assets is very important for both theoretical and practical applications.
重点讨论了标的资产价值、执行价格、波动率和价值漏损率的确定方法。
More importantly, discuss the definite method of assets property value, the cost, the undulation rate and the value leak rate.
结果表明：采用稳健性设计的永磁式缓速器可以较好地改善制动力矩波动率。
All results show that permanent magnet type retarder using robust design technique can decrease braking torque fluctuation.
面对相同因素，新兴市场往往涉及更大的风险，并且波动率更高，交易量更低。
Emerging markets involve heightened risks related to the same factors as well as increased volatility and lower trading volume.
这些契约的隐含波动率最近几月迅速飞升(见上图)，显示出投资者对长期利率的信心摇摆。
The implied volatility of these contracts has shot up in recent months (see chart), indicating that investors are uncertain about long-term interest rates.
本文提出了一个既能够反映公司赢利能力又可以反映赢利波动率的公司盈亏模型。
We propose a simple econometric model, which can reflect both a firm's earnings-generating ability and the earnings volatility.
阐述了实际波动率的理论背景，以及国外在实际波动率研究方面已得出的一些基本结论。
This paper clarifies the theory background of realized volatility firstly, then some basic conclusions about realized volatility are shown.
当股票或商品整体波动处于平衡状态时，其价格将保持恒定波动率（即价格形成趋势）。
When the overall vibration of a stock or commodity is in balance, its price will maintain a constant rate of vibration (i. e. prices will form a trend).
这一现象在期权的隐含波动率中显示出来，隐含波动率正是狂乱的投资者们所预见的市场波动的反映。
This shows up in the "implied volatility" of the option, which indicates how wild investors expect market swings to be.
这一现象在期权的隐含波动率中显示出来，隐含波动率正是狂乱的投资者们所预见的市场波动的反映。
This shows up in the "implied volatility" of the option, which indicates how wild investors expect market swings to be.
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