Results 21 to 30 of about 187,018 (291)

On the response of the global crypto companies to the sanctions against Russian crypto investors [PDF]

open access: yesВосточная Азия: факты и аналитика, 2022
A couple of years ago cryptocurrencies were the lot of enthusiasts. Having an electronic wallet with a few thousand bitcoins was not perceived as a sign of wealth or even prosperity, and the tokens were worth almost nothing.
Gorchakova T.E.
doaj   +1 more source

Volatility and arbitrage [PDF]

open access: yesThe Annals of Applied Probability, 2018
The capitalization-weighted total relative variation $\sum_{i=1}^d \int_0^\cdot _i (t) \mathrm{d} \langle \log _i \rangle (t)$ in an equity market consisting of a fixed number $d$ of assets with capitalization weights $ _i (\cdot)$ is an observable and nondecreasing function of time.
Fernholz, E. Robert   +2 more
openaire   +5 more sources

Crude oil prices and volatility prediction by a hybrid model based on kernel extreme learning machine

open access: yesMathematical Biosciences and Engineering, 2021
In view of the important position of crude oil in the national economy and its contribution to various economic sectors, crude oil price and volatility prediction have become an increasingly hot issue that is concerned by practitioners and researchers ...
Hongli Niu, Yazhi Zhao
doaj   +1 more source

Volatility Options in Rough Volatility Models [PDF]

open access: yesSSRN Electronic Journal, 2018
We discuss the pricing and hedging of volatility options in some rough volatility models. First, we develop efficient Monte Carlo methods and asymptotic approximations for computing option prices and hedge ratios in models where log-volatility follows a Gaussian Volterra process.
Peter Tankov   +3 more
openaire   +3 more sources

KAJIAN MODEL HIDDEN MARKOV UNTUK MENDUGA VOLATILITAS INDEKS HARGA SAHAM

open access: yesPrima: Jurnal Pendidikan Matematika, 2019
Abstrak Volatility is a measure of uncertainty. Volatility can either be measured by using the standard deviation or variance between returns. The problem is volatility is unobservable, and estimating volatility is not a trivial task.
Abdul Baist
doaj   +1 more source

Taylor expansion for derivative securities pricing as a precondition for strategic market decisions [PDF]

open access: yesProblems and Perspectives in Management, 2018
The strategy of managing the pricing processes, in particular managing the dynamics of the price of the underlying asset and its volatility, the prices of indices, shares, options, the magnitude of financial flows, in the method of calculating the ...
Ivan Burtnyak, Anna Malytska
doaj   +1 more source

Methods in Econophysics: Estimating the Probability Density and Volatility [PDF]

open access: yes, 2022
We discuss and analyze some recent literature that introduced pioneering methods in econophysics. In doing so, we review recent methods of estimating the volatility, volatility of volatility, and probability densities. These methods will have useful applications in econophysics and finance.
arxiv   +1 more source

A simple joint model for returns, volatility and volatility of volatility

open access: yesJournal of Econometrics, 2023
Abstract We propose a model that allows for conditional heteroskedasticity in the volatility of asset returns and incorporates current return information into the volatility nowcast and forecast. Our model can capture all stylised facts of asset returns even with Gaussian innovations and is simple to implement.
openaire   +2 more sources

Evaluation of Performance and Efficiency of Polish Open-End Mutual Funds under High Volatility Environment in Financial Markets

open access: yesAnnales Universitatis Mariae Curie-Skłodowska Sectio H, Oeconomia, 2023
Theoretical background: Retail investors in the financial market have nowadays access to a wide range of investment products. One of the types of such products are open-end investment funds, which by design are asset masses managed by professional ...
Filip Lisak
doaj   +1 more source

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