Results 61 to 70 of about 33,616 (292)
ABSTRACT Objective Neurochemical levels measured by brain MR spectroscopy (MRS) have been proposed as endpoints for clinical trials in early‐stage spinocerebellar ataxia (SCA) trials. We tested their trial‐readiness by quantifying neurochemicals in three affected brain regions in early‐stage cohorts of SCA2 and SCA3, examining their reproducibility in ...
James M. Joers +19 more
wiley +1 more source
Capturing Common Components in High-Frequency Financial Time Series: A Multivariate Stochastic Multiplicative Error Model [PDF]
We introduce a multivariate multiplicative error model which is driven by componentspecific observation driven dynamics as well as a common latent autoregressive factor.
Nikolaus Hautsch
core +2 more sources
Ecology of trading strategies in a forex market for limit and market orders.
There is a growing interest to understand financial markets as ecological systems, where the variety of trading strategies correspond to that of biological species.
Takumi Sueshige +3 more
doaj +1 more source
Distance-based High-frequency Trading
AbstractThe present paper approaches high-frequency trading from a computational science perspective, presenting a pattern recognition model to predict price changes of stock market assets. The technique is based on the feature-weighted Euclidean distance to the centroid of a training cluster. A set of micro technical indicators, traditionally employed
Travis Felker +2 more
openaire +1 more source
Where is the value in high frequency trading?. [PDF]
We analyze the impact of high frequency trading in financial markets based on a model with three types of traders: liquidity traders, market makers, and high frequency traders.
Penalva, José [jpenalva] +1 more
core
ABSTRACT Introduction/Objective Acute intracranial stenting during endovascular thrombectomy (EVT) for ischemic stroke requires intraprocedural antiplatelet therapy (APT) to maintain patency. However, the hemorrhagic risk of combining APT with intravenous thrombolysis (IVT) remains uncertain.
Aaron Rodriguez‐Calienes +75 more
wiley +1 more source
High-frequency quantitative trading in the emerging digital currency market poses unique challenges due to the lack of established methods for extracting trading information.
Yijun He, Bo Xu, Xinpu Su
doaj +1 more source
Advancing Stroke Clinical Trials Using Community Engagement and Implementation Science Approaches
ABSTRACT Stroke clinical trials are essential for advancing stroke care but can face challenges with recruitment, retention, clinical relevance, and translation into real‐world practice. We propose that integrating community engagement and implementation science approaches into stroke trials can help address these needs.
Lesli E. Skolarus +2 more
wiley +1 more source
High frequency trading and end-of-day price dislocation : [Version 28 Oktober 2013]
We show that the presence of high frequency trading (HFT) has significantly mitigated the frequency and severity of end-of-day price dislocation, counter to recent concerns expressed in the media.
Zhan, Feng +2 more
core
Relativistic Black–Scholes Equation
Ecuación Black-Scholes relativistaEl modelo de Black Scholes presentado en este trabajo es una generalización a la versión relativista que no es muy conocida desde a la versión original de 1973, debido a que sus efectos aún son poco significativos. En el
Sierra Juárez, Guillermo
core +1 more source

