Examples of using Implied volatility in English and their translations into Portuguese
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Financial
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Colloquial
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Official
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Medicine
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Ecclesiastic
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Ecclesiastic
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Computer
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Official/political
The factors that affect implied volatility are the exercise price,
For example, a 2 week G10 option implied volatility is shifted+/- 22%,
The graph shows an implied volatility surface for all the put options on a particular underlying stock price.
The implied volatility surface simultaneously shows both volatility smile
Implied volatility-- which is derived from option prices-- is usually interpreted as a measure of market participants» uncertainty regarding near-term developments in different financial markets.
The chart also provides further evidence that the overall decline in implied volatility over the past few years has not been restricted to the euro area.
How the surface changes as the spot changes is called the evolution of the implied volatility surface.
Note that to maintain put-call parity, a 20 delta put must have the same implied volatility as an 80 delta call.
For instance, the impact of upcoming results of a drug trial can cause implied volatility swings for pharmaceutical stocks.
Subsequently, broad equity price indices on both sides of the Atlantic showed some declines and implied volatility temporarily edged upwards.
The purpose of this paper is to apply the method of obtaining a no-arbitrage premium using an implied volatility binomial tree for different fx options.
For instance, options on commodity futures typically show increased implied volatility just prior to the announcement of harvest forecasts.
the second estimates future values based on the prices¿implied volatility, which is available in the options market.
Time-invariant local volatilities are supposedly inconsistent with the dynamics of the equity index implied volatility surface, but see Crepey, S 2004.
The result is a two-dimensional curved surface plotted in three-dimensions whereby the current market implied volatility(Z-axis) for all options on the underlying is plotted against the price
In the course of October and November, however, implied volatility settled at levels more typical of historical experience
Implied volatility, as derived from prices on options contracts on the Nikkei 225 index,
Option traders use an implied volatility plot to quickly determine the shape of the implied volatility surface, and to identify any areas where the slope of the plot(and therefore relative implied volatilities)
In 2004 therewas some concern that the relatively low levels of implied volatility might not be fully justifiedinsofar as they may have been driven down by factors other than market participants'expectations of future realised volatility. .
Low Japanese interest rates and historically low implied volatility, combined with a favourable risk attitude of international investors,