Results 21 to 30 of about 1,041,681 (327)

From volatility smiles to the volatility of volatility [PDF]

open access: yesDecisions in Economics and Finance, 2019
The paper reviews models of the option surface and reduced-form models for stochastic volatility in continuous time, under the risk-neutral measure. It defines “forward volatilities,” analogous to forward interest rates in the theory of the term structure, and provides a proof that the forward volatility is a conditional expected value, under the risk ...
Bernard Dumas   +3 more
openaire   +2 more sources

An Empirical Study of Volatility in Cryptocurrency Market

open access: yesJournal of Risk and Financial Management, 2022
Cryptocurrencies have gained a lot of attraction across the globe. Most observers of the cryptocurrency market will agree that crypto volatility is in a different league altogether.
Hemendra Gupta, R. Chaudhary
semanticscholar   +1 more source

Volatility is Rough [PDF]

open access: yesSSRN Electronic Journal, 2014
Estimating volatility from recent high frequency data, we revisit the question of the smoothness of the volatility process. Our main result is that log-volatility behaves essentially as a fractional Brownian motion with Hurst exponent H of order 0.1, at any reasonable time scale.
Gatheral, Jim   +2 more
openaire   +6 more sources

The Correction of Multiscale Stochastic Volatility to American Put Option: An Asymptotic Approximation and Finite Difference Approach

open access: yesJournal of Function Spaces, 2021
It has been found that the surface of implied volatility has appeared in financial market embrace volatility “Smile” and volatility “Smirk” through the long-term observation.
Yanli Zhou   +3 more
doaj   +1 more source

Volatility and Development [PDF]

open access: yesThe Quarterly Journal of Economics, 2007
Why is GDP growth so much more volatile in poor countries than in rich ones? We identify three possible reasons: (i) poor countries specialize in fewer and more volatile sectors; (ii) poor countries experience more frequent and more severe aggregate shocks (e.g., from macroeconomic policy); and (iii) poor countries' macroeconomic fluctuations are more ...
Miklós Koren   +2 more
openaire   +6 more sources

Capturing the volatility smile: parametric volatility models versus stochastic volatility models [PDF]

open access: yesPublic and Municipal Finance, 2016
Black-Scholes option pricing model (1973) assumes that all option prices on the same underlying asset with the same expiration date, but different exercise prices should have the same implied volatility.
Belen Blanco
doaj   +1 more source

RICE PRICE VOLATILITY IN EAST JAVA [PDF]

open access: yesRussian Journal of Agricultural and Socio-Economic Sciences, 2017
The purpose of the research is analyzing the volatility and volatility spillover of monthly price of paddy at the level of farmers and consumers in 2010-2016.
Wati R.Y.E., Anindita R., Setiawan B.
doaj   +1 more source

Forecasting realized volatility: The role of implied volatility, leverage effect, overnight returns, and volatility of realized volatility

open access: yesJournal of futures markets, 2021
We examine the role of implied volatility, leverage effect, overnight returns and volatility of realized volatility in forecasting realized volatility by extending the heterogeneous autoregressive (HAR) model to include these additional variables.
Dimos S. Kambouroudis   +2 more
semanticscholar   +1 more source

ESTIMASI VOLATILITAS STOKASTIK CRYPTOCURRENCY BITCOIN MENGGUNAKAN MODEL HESTON-MILSTEIN

open access: yesE-Jurnal Matematika, 2022
Volatility is a quantity that measures how far a stock or cryptocurrency price moves in a certain period. To measure volatility properly, it can be done by using volatility modeling.
NI PUTU WIDYA ISWARI DEWI   +2 more
doaj   +1 more source

Wealth and Volatility [PDF]

open access: yesThe Review of Economic Studies, 2017
We document that in the US over the course of the past century there has been a systematic negative relation between household wealth and business cycle volatility. We develop a microfounded dynamic equilibrium model that contains elements of a traditional Keynesian framework in which economic uctuations can be driven by sunspot-type uctuations in ...
Heathcote, Jonathan, Perri, Fabrizio
openaire   +6 more sources

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