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  • 學位論文

隱含資產價格與波動率對現貨市場價格變動之資訊內涵

The Information Content of Option Implied Asset Price and Volatility for Spot Price Movement

指導教授 : 王耀輝
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摘要


本研究主要在探討隱含資產價格與隱含波動率的資訊內涵。不同於大部分文獻利用選擇權價格以極小化評價誤差的方式求算隱含資產價格與隱含波動率,本研究將以S&P500指數選擇權市場交易資料為基礎,利用買賣權平價公式求得選擇權隱含資產價格與隱含波動率,並藉由建構隱含資產價格與隱含波動率曲面,詳細探討不同履約價格以及不同到期日下隱含資產價格與隱含波動率的實證特性。再者本研究利用求算出之隱含資產價格與隱含波動率對S&P500指數Jump發生機率進行預測,探討S&P500指數選擇權市場對指數現貨價格變動的資訊內涵以及預測能力,究竟是來自選擇權市場參與者對資產均衡價格的預期亦或是對未來波動率的預期。 探討S&P500指數選擇權隱含資產價格的實證特性,本研究發現不同到期日下隱含資產價格大致呈現中間高兩旁低的情形,且短天期與長天期選擇權的隱含資產價格小於現貨交易價格。而不同價內外程度下的隱含波動率則呈現出Volatility Skew的情形,並且到期日越長Volatility Skew的程度越小。使用隱含資產價格與隱含波動率對Jump發生機率進行預測的結果,發現S&P500指數選擇權對指數價格的變動具有資訊內涵,且其預測能力來自於選擇權市場參與者對於S&P500指數均衡價格的預期,而非來自其對指數波動率的預期。

並列摘要


Doran et al. (2007) confirmed the information content of option price for spot price movement. Base on their findings, this study separate the information embedded in the option price to further discuss the information content of implied asset price and implied volatility. Different from the previous studies, this study use Put-Call Parity to infer option implied asset price and volatility with different strike price and time to maturity to investigate the empirical properties. The results from the Standard &Poor’s 500 index options confirmed the information role of option implied asset price for spot price movement.

參考文獻


1. Ai t-Sahalia, Y., & W., Lo (1998).“Nonparametric Estimation of State-PriceDensities Implicit in Financial Asset Prices.”Journal of Finance, 53(1978), 499-547.
2. Anand, A., & S., Chakravarty (2003). “Stealth trading
3. Bakshi, G., C., Cao, & Z., Chen (1997). “Empirical performance of alternate option pricing models.”The Journal of Finance, 52(5), 2003–2049.
4. Bakshi, G., C., Cao, & Z., Chen (2000). “Pricing and hedging long-term options.”Journal of Econometrics, 94,277-318.
5. Bakshi, G., & N., Kapadia(2003). “Delta-hedged gains and the negative market volatility risk premium.” Review of Financial Studies, 16(2), 527–566.

被引用紀錄


高婧寧(2013)。波動度奸笑曲線對期貨與現貨市場的影響〔碩士論文,淡江大學〕。華藝線上圖書館。https://doi.org/10.6846/TKU.2013.00770

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