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Author : George Panayotov
Release : 2005
Genre : Options (Finance)
Kind : eBook
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Book Synopsis Three Essays on Volatility Issues in Financial Markets by : George Panayotov
Download or read book Three Essays on Volatility Issues in Financial Markets written by George Panayotov. This book was released on 2005. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Cagdas Tahaoglu
Release : 2021
Genre :
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Book Synopsis Three Essays on Financial Markets by : Cagdas Tahaoglu
Download or read book Three Essays on Financial Markets written by Cagdas Tahaoglu. This book was released on 2021. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation consists of three essays that address recent topics in financial markets that concern for scholars, policymakers, and investors. The first essay examines the benefits of international diversification for US investors, while accounting for market development, corporate governance, market cap effects, and structural change across countries over period August 1996 -July 2013. Improved risk adjusted returns are obtained from a diversified portfolio consisting of a mix of developed and emerging countries. Additionally, we find that diversification benefits are not significant for most of the small-cap foreign assets when an investor already holds position in corresponding countries large-cap assets. Diversification benefits based on the governance effectiveness of a country's companies are not ubiquitous. We find that economically significant improvements in risk-return performance can be attained by adding large caps of developed countries with high and low overall Governance Metrics International (GMI) ratings and large and small caps of emerging countries with low overall GMI ratings to the investment universe containing the assets of common law developed countries. However, diversification benefits are economically significant only for large and small caps of low GMI emerging countries when short selling is not allowed. The second essay looks at the market impact of recent regulatory changes in Canada that provide for trading halts on individual stocks that experience large upside or downside movements. The focus is on all stocks traded on the Toronto Stock Exchange since the inception of the single stock circuit breaker rule (SSCB) in February 2012, to replace the short-sale uptick rule. The results support pricing efficiency: material information that caused the circuit breaker is incorporated in stock prices on the day of the halt (neither overreaction nor underreaction), with no decline in market liquidity. Using trade-by-trade data constructed on 5-minute trading intervals, we refine the daily results, and show that shocks in realized volatility are focused in the ten-minute trading interval surrounding the halts. While circuit breakers provide a limited "safety net" for investors when their stocks are subject to severe volatility, they do not provide for a quick turnaround for stocks experiencing severe price decline events. The last essay re-examines the historical vs implied volatility spread anomaly, reported by Goyal and Saretto (2009) using a second-order stochastic dominance (SSD) criterion. The approach incorporates transaction frictions, and is robust to model specification problems, return distributions, as well as preferences. It is found that option trading frictions such as cash collateral requirements and option trading costs significantly reduce but do not eliminate returns to a long-short straddle trading strategy pre-2006 period. However, the anomaly disappears after 2006, consistent with market efficiency. The SSD test results confirm the findings.
Author : Rémi Galarneau-Vincent
Release : 2022
Genre : Derivatives (Mathematics)
Kind : eBook
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Book Synopsis Three Essays on Volatility and Extreme Events in Financial and Electricity Markets by : Rémi Galarneau-Vincent
Download or read book Three Essays on Volatility and Extreme Events in Financial and Electricity Markets written by Rémi Galarneau-Vincent. This book was released on 2022. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Pawan Jain
Release : 2013
Genre :
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Book Synopsis Three Essays on Financial Markets by : Pawan Jain
Download or read book Three Essays on Financial Markets written by Pawan Jain. This book was released on 2013. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation is composed of three essays. The first essay investigates the information content of the limit order book (LOB) on the Shanghai Stock Exchange (SHSE), a purely order-driven market, for predicting future stock price volatility. We find that the LOB supply schedule consistently and significantly predicts the future price volatility. But this predictive power of LOB declines during the extreme market wide movements. We also find that buy orders are more informative over future price volatility than sell orders but sell (buy) orders becomes more informative during the extreme market wide down (up) movement days. Finally, we document that predictive power of LOB is short lived and markets are efficient over the longer time horizon. The second essay examines the effect of high frequency trading on market quality, systemic risk and trading strategies. In 2010 the Tokyo Stock Exchange, the largest exchange headquartered outside the US, introduced a new trading platform, Arrowhead, which reduced latency by 99.97% and increased co-located high-frequency trading from zero to 36% of volume. Arrowhead improved market liquidity and reduced volatility, but it also amplified systematic risks factors like quotes to trade ratio, order-flow autocorrelation and cross correlation, and tail risks. Arrowhead also affected trading strategies by increasing trade price predictability and the use of fleeting orders. Cost of immediacy serves as a channel through which reduced latency affects market quality, systematic risks, and trading outcome. The third essay analyzes the links between corporate finance policies and investment clienteles by comparing the cross-sectional variation in the dividend payout policies of companies across 32 countries. Beyond the impact of firm-specific accounting and financial variables, this study investigates how the country level variations: shareholder demand due to demographic variations and consumption needs, agency problems manifested in the extent of minority shareholder protection and business disclosures, and market quality in terms of transparency and liquidity; affect dividend payout policies. We find that firms have generous dividend payout policies when diverse shareholder demands are strong, extents of business disclosures and legal protections are weak, and the market qualities are poor. The empirical evidence supports the presence of strong dividend clienteles in a global setting. .
Author : Peilin Hsieh
Release : 2013
Genre :
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Book Synopsis Three Essays on Volatility by : Peilin Hsieh
Download or read book Three Essays on Volatility written by Peilin Hsieh. This book was released on 2013. Available in PDF, EPUB and Kindle. Book excerpt: My dissertation focuses on economic studying of volatility issues. Three essays are contained in my dissertation. Essay 1 extends a microstructure model to explain the change of volatility and thus links traders' belief to the volatility change. Our model shows that when market is more uncertain about the value of the stock, the higher the (return) volatility. Essay 2 turns to explore more economic factors that could cause volatility regime switch. We find that US stock return processes, including drift, diffusion, and jump, differ along with US political cycle. Our results imply that the presidency in different parties has distinct policy making processes and thus influence the way information flows into the market, altering the return processes. In the final essay, we document and explain a volatility Bid-Ask spread pattern that increases as time to maturity decreases. Our research develops a model that explains the volatility spread pattern. We show that, as time passes, the required hedging uncertainty premium charged by the liquidity providers decays more slowly while the premium contained in the quoted options price decays at an increasingly higher rate which is determined by the option pricing model. Therefore, liquidity providers need to increase asking and decrease bidding volatility to maintain the profit necessary to compensate slowly decaying hedging uncertainty premium. Our results strongly suggest that studies on volatility spread should detrend the data to make the estimation models correct as well as the series stationary. Without adjusting the trend and autocorrelation problems, statistical results are inaccurate and misleading. More importantly, based on our theoretical model, we also find that: (a) the implied volatility spread does not increase in proportion to the increase of implied volatility, and (b) the increase of volatility uncertainty is not a sufficient condition for an increase in the percentage spread. Finally, to augment the validity of our claims, we provide rigorous econometric tests which support our propositions.
