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This paper examines the existence and drivers of price clustering on the Pakistan Stock Exchange (PSX), a market which was viewed as one of the best performing stock markets in the world during 2014-2017. We document abnormally high levels of stock price clustering, particularly on integer...
Persistent link: https://www.econbiz.de/10014236295
data. In order for the Black-Scholes implied volatility surface to exhibit the empirically observed skew or smile, a … stochastic volatility model can be used to compute the option greeks. Because the European price under many stochastic volatility … explores three parallelization approaches for calibrating stochastic volatility models deployed on a multicore CPU cluster. The …
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A hierarchical clustering based asset allocation method, which uses graph theory and machine learning techniques, is proposed. Hierarchical clustering refers to the formation of a recursive clustering, suggested by the data, not defined a priori. Several hierarchical clustering methods are...
Persistent link: https://www.econbiz.de/10012902888
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The rise in popularity of benchmark free and complex trading strategies throughout the last decade has made available a large variety of risk and performance profiles. As a consequence, to account for their complex performance characteristics, a lot of effort has been devoted to classify and...
Persistent link: https://www.econbiz.de/10013132027
Investors and analysts classify firms to conduct valuations or to evaluate performance. The industry groupings usually rely on SIC, NAIC, GICS, or Fama-French classifications. Our purpose is to form groups of companies based on the structure of their financial statements. Using cluster analysis,...
Persistent link: https://www.econbiz.de/10012954228
Volatility clustering is a well-known effect in equity markets. In simple meaning, volatility clustering refers to a … tested two hypotheses: (1) firstly, if there is a volatility clustering present in equity factor strategies, (2) secondly …, whether past factor volatility predicts future factor performance. We were able to confirm the first hypothesis. However, a …
Persistent link: https://www.econbiz.de/10014088883