Results 21 to 30 of about 3,336 (266)

Implied Volatility Transmissions Between Thai and Selected Advanced Stock Markets

open access: yesSAGE Open, 2016
This article investigates the impacts of changes in the U.S.-implied volatility on the changes in implied volatilities of the Euro and Thai stock markets.
Supachok Thakolsri   +2 more
doaj   +1 more source

Forward implied volatility expansion in time-dependent local volatility models******

open access: yesESAIM: Proceedings and Surveys, 2014
We introduce an analytical approximation to efficiently price forward start options on equity in time-dependent local volatility models as the forward start date, the maturity or the volatility coefficient are small.
Bompis Romain, Hok Julien
doaj   +1 more source

Do changes in the implied volatility of stock options predict future changes in CDS spreads? [PDF]

open access: yesSeonmul yeongu
This study examines whether changes in the implied volatility of stock options have cross-sectional predictability for future changes in credit default swap (CDS) spreads in the Korean market. The major findings are as follows.
Changsoo Hong, Yuen Jung Park
doaj   +1 more source

Option pricing with neural networks vs. Black-Scholes under different volatility forecasting approaches for BIST 30 index options

open access: yesBorsa Istanbul Review, 2022
This study compares the performances of neural network and Black-Scholes models in pricing BIST30 (Borsa Istanbul) index call and put options with different volatility forecasting approaches.
Zeynep İltüzer
doaj   +1 more source

Maturity cycles in implied volatility [PDF]

open access: yesFinance and Stochastics, 2004
The purpose of the paper is to study the performance of the observed implied volatility surface \(I\) that is reduced to an affine function of the log-moneyness-to-maturity ratio (LMMR) of the form \[ I = a\times \text{LMMR} + b,\qquad \text{LMMR} = \frac{\log(K/S)}{T-t}, \] where \(K\) is the strike price, \(T\) is the expiration date, and \(S\) is ...
Jean-Pierre Fouque   +3 more
openaire   +1 more source

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

De novo synthesis of short‐chain aldehydes and hydrocarbons secreted by the brown marmorated stink bug Halyomorpha halys

open access: yesFEBS Open Bio, EarlyView.
The brown marmorated stink bug, Halyomorpha halys, mainly secretes 4‐oxo‐(E)‐2‐hexenal, (E)‐2‐decenal, dodecane and tridecane, a mixture representative of that released by many heteropterans. We demonstrated that H. halys can synthesise these secretory components de novo using dietary glucose.
Haruna Fujimori, Koji Noge
wiley   +1 more source

Intermediate Volatility Forecasts Using Implied Forward Volatility: The Performance of Selected Agricultural Commodity Options

open access: yesJournal of Agricultural and Resource Economics, 2006
Options with different maturities can be used to generate an implied forward volatility, a volatility forecast for non-overlapping future time intervals.
Thorsten M. Egelkraut, Philip Garcia
doaj   +1 more source

Ethical Foreground and Background in Adult Educator Work

open access: yesNew Directions for Adult and Continuing Education, EarlyView.
ABSTRACT Adult educators work in a complex ethical environment. The very act of contributing to the learning of another is fraught with moral overtones. In this paper we consider the ethical dimensions of adult educator practice by distinguishing the ethical features of the context or ‘background’ of practice from the ethical capabilities and decision ...
Steven Hodge, Sonal Nakar
wiley   +1 more source

ESTIMASI NILAI IMPLIED VOLATILITY MENGGUNAKAN SIMULASI MONTE CARLO

open access: yesE-Jurnal Matematika, 2018
Investing among investors is an exciting activity to gain profit in the financial world. The development of investment in the financial world affects the number of alternative investment instruments that can be offered to investors in the capital market.
MAKBUL MUFLIHUNALLAH   +2 more
doaj   +1 more source

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