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We address the problem of defining and calculating forward volatility implied by option prices when the underlying asset is driven by a stochastic volatility process.We examine alternative notions of forward implied volatility and the information required to extract these measures from the...
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We find that an increase in the ``unusualness'' of news with negative sentiment predicts an increase in stock market volatility. Similarly, unusual positive news forecasts lower volatility. Our analysis is based on more than 360,000 articles on 50 large financial companies, published in...
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We address the problem of defining and calculating forward volatility implied by option prices when the underlying asset is driven by a stochastic volatility process. We examine alternative notions of forward implied volatility and the information required to extract these measures from the...
Persistent link: https://www.econbiz.de/10014193589
Regulatory stress tests have become a key tool for setting bank capital levels. Publicly disclosed results for four rounds of stress tests suggest that as the stress testing process has evolved, its outcomes have become more predictable and therefore arguably less informative. In particular,...
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