Two Essays on Asset Pricing and Options Market PDF Download

Author: Huimin Zhao (Ph. D.)
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ISBN:
Category : Capital assets pricing model
Languages : en
Pages : 184

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Author: Huimin Zhao
Publisher: Open Dissertation Press
ISBN: 9781374679887
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Languages : en
Pages :

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This dissertation, "Two Essays on Asset Pricing and Options Market" by Huimin, Zhao, 趙慧敏, was obtained from The University of Hong Kong (Pokfulam, Hong Kong) and is being sold pursuant to Creative Commons: Attribution 3.0 Hong Kong License. The content of this dissertation has not been altered in any way. We have altered the formatting in order to facilitate the ease of printing and reading of the dissertation. All rights not granted by the above license are retained by the author. DOI: 10.5353/th_b4150839 Subjects: Options (Finance) Capital assets pricing model

Author: Dan Luo
Publisher:
ISBN: 9781361279199
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Languages : en
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This dissertation, "Two Essays on Asset Pricing" by Dan, Luo, 罗丹, was obtained from The University of Hong Kong (Pokfulam, Hong Kong) and is being sold pursuant to Creative Commons: Attribution 3.0 Hong Kong License. The content of this dissertation has not been altered in any way. We have altered the formatting in order to facilitate the ease of printing and reading of the dissertation. All rights not granted by the above license are retained by the author. Abstract: This thesis centers around the pricing and risk-return tradeoff of credit and equity derivatives. The first essay studies the pricing in the CDS Index (CDX) tranche market, and whether these instruments have been reasonably priced and integrated within the financial market generally, both before and during the financial crisis. We first design a procedure to value CDO tranches using an intensity-based model which falls into the affine model class. The CDX tranche spreads are efficiently explained by a three-factor version of this model, before and during the crisis period. We then construct tradable CDX tranche portfolios, representing the three default intensity factors. These portfolios capture the same exposure as the S&P 500 index optionmarket, to a market crash. We regress these CDX factors against the underlying index, the volatility factor, and the smirk factor, extracted from the index option returns, and against the Fama-French market, size and book-to-market factors. We finally argue that the CDX spreads are integrated in the financial market, and their issuers have not made excess returns. The second essay explores the specifications of jumps for modeling stock price dynamics and cross-sectional option prices. We exploit a long sample of about 16 years of S&P500 returns and option prices for model estimation. We explicitly impose the time-series consistency when jointly fitting the return and option series. We specify a separate jump intensity process which affords a distinct source of uncertainty and persistence level from the volatility process. Our overall conclusion is that simultaneous jumps in return and volatility are helpful in fitting the return, volatility and jump intensity time series, while time-varying jump intensities improve the cross-section fit of the option prices. In the formulation with time-varying jump intensity, both the mean jump size and standard deviation of jump size premia are strengthened. Our MCMC approach to estimate the models is appropriate, because it has been found to be powerful by other authors, and it is suitable for dealing with jumps. To the best of our knowledge, our study provides the the most comprehensive application of the MCMC technique to option pricing in affine jump-diffusion models. DOI: 10.5353/th_b4819935 Subjects: Capital assets pricing model

Author: Xiaofei Zhao
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Languages : en
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Author: James Eric Gunderson
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Languages : en
Pages : 336

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Author: Konstantinos Gkionis
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Languages : en
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Author: Yangqiulu Luo
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Category : Finance
Languages : en
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This dissertation consists of two essays on empirical asset pricing. The first essay examines if the idiosyncratic risk is priced. Theories such as Merton (1987) predict that idiosyncratic risk should be priced when investors do not diversify their portfolio. However, the previous literature has presented a mixed set of results of the pricing of idiosyncratic risk. We find strong evidence that idiosyncratic risk is priced differently across bull and bear markets. For the sample period from June 1946 to the end of 2010, a factor portfolio long on stocks with high idiosyncratic volatility and short on stocks with low idiosyncratic volatility yields an equal-weighted monthly return of 1.59% for bull markets but -1.29% for bear markets. These evidences support the hypothesis that investors are rewarded for betting on individual stocks during bull markets and holding more diversified portfolios during bear markets. The second essay examines the role of the limits to arbitrage in the negative effect of liquidity on subsequent stock returns. I hypothesize that if the negative effect persists because of the limits to arbitrage, the effect should be more pronounced when there are more severe limits to arbitrage. My empirical evidence supports the hypothesis. In addition, I find that the effect of the limits to arbitrage on the liquidity anomaly is not correlated to the liquidity risk.

Author: Alexandre Miguel de Oliveira dos Santos Baptista
Publisher:
ISBN:
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Languages : en
Pages : 436

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Author: Paul Huebner
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Languages : en
Pages : 0

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In Chapter 1, I develop a framework to quantify which features of investors' trading strategies lead to momentum in equilibrium. Specifically, I distinguish two channels: persistent demand shocks, capturing underreaction, and the term structure of demand elasticities, representing an intensity of arbitrage activity that decreases with investor horizon. I introduce both aspects of dynamic trading into an asset demand system and discipline the model using the joint behavior of portfolio holdings and prices. I estimate the demand of institutional investors in the U.S. stock market between 1999 and 2020. On average, investors respond more to short-term than longer-term price changes: the term structure of elasticities is downward-sloping. My estimates suggest that this channel is the primary driver of momentum returns. Moreover, in the cross-section, stocks with more investors with downward-sloping term structures of elasticities exhibit stronger momentum returns by 7% per year. In Chapter 2 (with Valentin Haddad and Erik Loualiche), we develop a framework to theoretically and empirically analyze how investors compete with each other in financial markets. In the classic view that markets are fiercely competitive, if a group of investors changes its behavior, other investors adjust their strategies such that nothing happens to prices. We propose a demand system with a flexible degree of strategic response and estimate it for institutional investors in the U.S. stock market. Investors react to the behavior of others in the market: when less aggressive traders surround an investor, she trades more aggressively. However, this strategic reaction is not nearly as strong as the classic view. Our estimates suggest that when a group of investors changes its behavior, the response of other investors only counteracts half of the direct impact. This result implies that the rise in passive investing over the last 20 years has led to substantially more inelastic aggregate demand curves for individual stocks by about 15%.

Author: Thomas W. Barkley
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Languages : en
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ABSTRACT: Information and liquidity interact when asset prices are to be determined. I study these effects in the price discovery process of the S & P 500 index traded in the cash, futures and options markets, and document that transaction costs and market trading activity proxies are important determinants. I also study the liquidity risk premiums associated with stocks traded on different exchanges, and document that there are multiple aspects to liquidity showing considerable variation over time. Empirical results suggest that some common liquidity measures can be consolidated into two latent liquidity variables: one arising from asymmetric information among traders and another from order processing or direct transaction costs associated with trading the asset. Taken together, my research suggests that traders pay close attention to information asymmetries and fixed costs of trading when evaluating asset prices; this subsequently influences an informed investor's decision regarding the market in which they should transact.