Results 41 to 50 of about 37,989 (306)
Annals of Clinical and Translational Neurology, EarlyView.ABSTRACT Objective To characterize the demographic, clinical, and laboratory features of the Chinese patients of genetic Creutzfeldt‐Jakob disease with T188K variant (T188K‐gCJD), the most common subtype of genetic prion diseases (gPrDs) in China. Methods In this nationwide retrospective study, data from 98 genetically confirmed T188K‐gCJD patients ...
Chun‐Jie Li +11 more
wiley +1 more source
Stock market return predictability: Google pessimistic sentiments versus fear gauge
Cogent Economics & Finance, 2017 This study aims at comparing Google Search Volume Indices (GSVIs—including market crash and bear market) and VIX (Investor Fear Gauge Index) in terms of explaining the S&P 500 returns. The VIX is found a more robust predictor of stock market returns than
Ume Habibah +2 more
doaj +1 more source
Predictability and predictors of volatility smirk: a study on index options
Business: Theory and Practice, 2017 The purpose of this study is to examine the presence of volatility smirk anomaly in index options and its predictability for future returns. The study tests the temporal properties of volatility smirk and further explores the factors determining the ...
Rajesh Pathak, Amarnath Mitra
doaj +1 more source
The Effect of Crude Oil Price Volatility on Volatility in Tehran Stock Market GARCH Multivariate Approach [PDF]
Pizhūhishnāmah-i Iqtiṣād-i Inirzhī-i Īrān, 2016 Oil is one of the strategic commodities in any country because it is an important input of production process. According to negative impact of oil price fluctuations on the various sectors of the Iranian economy, stock market performance is an obstacle ...
Mohammad Hassan Fotros, Maryam Hoshidari
doaj +1 more source
Arthritis Care &Research, EarlyView.Objective This study aimed to characterize cannabis product choices (cannabinoid content and formulation) among patients with rheumatologic conditions and their associations with patient factors, patient‐reported perceived side effects, and positive impacts.
Susan Zhang +10 more
wiley +1 more source
A Simple Expected Volatility (SEV) Index: Application to SET50 Index Options [PDF]
In 2003, the Chicago Board Options Exchange (CBOE) made two key enhancements to the volatility index (VIX) methodology based on S&P options. The new VIX methodology seems to be based on a complicated formula to calculate expected volatility.
Michael McAleer +1 more
core +2 more sources
Zein‐Based Adhesives: Sustainable Extraction and Application in Bioadhesive Technologies
Advanced Engineering Materials, EarlyView.Zein is extracted from corn gluten meal using a simple and scalable process with high yield (~90%). The resulting protein is applied in bioadhesives modified with Ca2+ and Fe3+ ions, exhibiting substrate‐dependent adhesion. The findings demonstrate competitive bonding performance and highlight the role of ionic interactions in tuning adhesion ...
Paula Bertolino Sanvezzo +3 more
wiley +1 more source
Replicating the CBOE VIX using a synthetic volatility index trading algorithm
Cogent Economics & Finance, 2019 This article tests whether a correlation exists between a stochastic synthetic volatility index (SVIX) and the Chicago Board Options Exchange (CBOE) volatility index (VIX) and assesses the success of the indicators’ application by pairing an undeveloped ...
Dayne Cary, Gary van Vuuren
doaj +1 more source
The Role of Energy on the Price Volatility of Fruits and Vegetables: Evidence from Turkey
Bio-based and Applied Economics, 2022 In agricultural economics, fluctuations in food prices and the factors affecting these fluctuations have always been an important research topic. From production to delivery to consumers, the supply chain of agricultural products has a dynamic structure ...
Harun Uçak, Esin Yelgen, Yakup Arı
doaj +1 more source
Advanced Engineering Materials, EarlyView.Geometry‐driven thermal behavior in wire‐arc additive manufacturing (WAAM) influences microstructural evolution during nonequilibrium solidification of a chemically complex Fe–Cr–Nb–W–Mo–C nanocomposite system. By comparing different deposits configurations, distinct entropy–cooling rate correlations, segregation, and carbide evolution are revealed ...
Blanca Palacios +5 more
wiley +1 more source