Results 31 to 40 of about 66,906 (266)

Erken Dönem Covid-19 Pandemisinin Avrupa Borsalarındaki Volatiliteye Etkisinin Araştırılması

open access: yesCumhuriyet Üniversitesi İktisadi ve İdari Bilimler Dergisi, 2022
Bu çalışmada, COVID-19 pandemisinin erken döneminde, Avrupa borsalarında yaşanan dalgalanmanın pandemi ile ilişkisinin kısa dönem için ortaya konulması amaçlanmıştır.
Bülent Yıldız
doaj   +1 more source

Analyzing the Volatility Dynamics of Crypto Currency and the Occurrence of Speculative Bubbles: The Examples of Bitcoin, Ethereum, and Ripple

open access: yesİstanbul İktisat Dergisi, 2023
This study aims to model the volatility features of Bitcoin, Ethereum, and Ripple, which are the cryptocurrencies with the greatest volumes that have come to the agenda since the global crisis, and to determine the presence and dates of price bubbles ...
Utku Altunöz
doaj   +1 more source

Good Volatility, Bad Volatility and Option Pricing [PDF]

open access: yesSSRN Electronic Journal, 2016
Advances in variance analysis permit the splitting of the total quadratic variation of a jump-diffusion process into upside and downside components. Recent studies establish that this decomposition enhances volatility predictions and highlight the upside/downside variance spread as a driver of the asymmetry in stock price distributions. To appraise the
Feunou, Bruno, Okou, Cédric
openaire   +2 more sources

THE FRACTIONAL VOLATILITY MODEL AND ROUGH VOLATILITY

open access: yesInternational Journal of Theoretical and Applied Finance, 2023
The question of the volatility roughness is interpreted in the framework of a data-reconstructed fractional volatility model, where volatility is driven by fractional noise. Some examples are worked out and, using the Malliavin calculus for fractional processes, an option pricing equation and its solution are obtained.
openaire   +2 more sources

Financial stability — Unfinished business

open access: yesLatin American Journal of Central Banking
Global financial stability is critical for sustainable economic growth. The post-global financial crisis reform program strengthened the banking system, and, despite several shocks, the global economy and financial system appear relatively resilient. But
Richard Berner
doaj   +1 more source

Uncertainty in perception and the Hierarchical Gaussian Filter

open access: yesFrontiers in Human Neuroscience, 2014
In its full sense, perception rests on an agent’s model of how its sensory input comes about and the inferences it draws based on this model. These inferences are necessarily uncertain.
Christoph Daniel Mathys   +15 more
doaj   +1 more source

Stochastic Volatility of Volatility in Continuous Time

open access: yesSSRN Electronic Journal, 2009
This paper introduces the concept of stochastic volatility of volatility in continuous time and, hence, extends standard stochastic volatility (SV) models to allow for an additional source of randomness associated with greater variability in the data.
Barndorff-Nielsen, Ole, Veraart, Almut
openaire   +2 more sources

A Study on Environmental, Social and Governance Fund Performance and Fund Flow: Evidence From Korea Stock Exchange

open access: yesFrontiers in Psychology, 2022
This study analyzed the sensitivity between fund flow and fund performance with Korean funds, whether there would be a difference in the sensitivity between environmental, social and governance (ESG) funds and non-ESG funds, and whether there was a ...
Dongchul Kwak, Yu Kyum Kim, Il Sook Kwon
doaj   +1 more source

Volatility of Aggregate Volatility and Hedge Fund Returns [PDF]

open access: yesSSRN Electronic Journal, 2014
This paper investigates empirically whether uncertainty about equity market volatility can explain hedge fund performance both in the cross section and over time. We measure uncertainty via volatility of aggregate volatility (VOV) and construct an investable version through returns on lookback straddles on the VIX index.
Agarwal, V, Arisoy, Y E, Naik, N
openaire   +5 more sources

The Volatility of Volatility

open access: yesCFA Institute Magazine, 2013
“In the long run, we may all be dead, as Keynes suggested, but we need to make sure that the short run doesn’t kill us first,” says Andrew Lo.
openaire   +2 more sources

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