[HTML][HTML] The role of the COVID-19 pandemic in US market volatility: Evidence from the VIX index

N Apergis, G Mustafa, S Malik - The Quarterly Review of Economics and …, 2023 - Elsevier
We examine how the implied volatility in the US financial market has been affected by the
COVID-19 pandemic. We decompose the Chicago Board Options Exchange (CBOE) …

The fear of fear in the US stock market: Changing characteristics of the VVIX

S Albers - Finance Research Letters, 2023 - Elsevier
By analyzing the characteristics of Cboe's volatility-of-volatility (vol-of-vol) index (VVIX), this
study reveals that most but not all stylized facts of volatility are also applicable to the vol-of …

Option pricing with overnight and intraday volatility

F Liang, L Du, Z Huang - Journal of Futures Markets, 2023 - Wiley Online Library
Efficiently exploiting the volatility information contained in price variations is important for
pricing options and other derivatives. In this study, we develop a new and flexible option …

Smirking in the energy market: Evidence from the Chinese crude oil options market

T Yue, LL Li, X Ruan, JE Zhang - International Review of Financial Analysis, 2024 - Elsevier
This study examines the implied volatility (IV) curve and its determinants in the newly
established Chinese crude oil options market. Given China's significant role as a crude oil …

[HTML][HTML] Traders' heterogeneous beliefs about stock volatility and the implied volatility skew in financial options markets

G Nappo, FM Marchetti, G Vagnani - Finance Research Letters, 2023 - Elsevier
The paper represents an initial effort to unfold some of the determinants of the implied
volatility skew empirically observed in financial (derivative) markets. In particular, in a …

Implied Volatility Slopes and Jumps in Bitcoin Options Market

T Chen, J Deng, J Nie - Operations Research Letters, 2024 - Elsevier
This paper derives a theoretical relation between the left and right slopes of the implied
volatility curve with negative and positive price jumps. Empirical analysis using bitcoin …

Term spreads of implied volatility smirk and variance risk premium

W Guo, X Ruan, SA Gehricke… - Journal of Futures …, 2023 - Wiley Online Library
In this paper, we study the pattern of S&P 500 index options implied volatility (IV) curves and
their predictive ability for the variance risk premium (VRP). We explore this predictability …

Modelling the Index Option Smirk in China: Do Non-Affine Two-Factor Stochastic Volatility Models Work?

Y Ye, Z Fan, X Ruan - Available at SSRN, 2024 - papers.ssrn.com
We introduce a new multifactor stochastic volatility model with non-affine features for the
Chinese options market. Our model generalizes the double Heston model in Christoffersen …

Non-linear Dynamics and Recurrent Patterns in Stock Markets: A Comparison Between BIST-100 and S&P500 Indices

A Özkaya - Ordu Üniversitesi Sosyal Bilimler Enstitüsü Sosyal …, 2022 - dergipark.org.tr
The financial systems, and particularly stock markets are complex systems. In this study, we
investigate the evidence of chaotic dynamics of both BIST-100 stock market index and S&P …

The Role of Hedgers and Speculators in the Currency Futures Markets

JI Yoon, X Ruan, JE Zhang - Available at SSRN 4186308, 2022 - papers.ssrn.com
Abstract Kang et al.(2020) find cross-sectional evidence that short-and long-term variation of
position changes are driven by liquidity demand of noncommercials and hedging demands …