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On October 26, 2008, Porsche announced a largely unexpected domination plan for Volkswagen. The resulting short squeeze in Volkswagen's stock briefly made it the most valuable listed company in the world. We argue that this was a manipulation designed to save Porsche from insolvency and the...
Persistent link: https://www.econbiz.de/10011875647
arbitrage opportunities that emerge endogenously in reaction to the portfolio imbalance generated by constrained agents. The … agents, arbitrage activity has an impact on the price level and generates both excess volatility and the leverage effect. We …
Persistent link: https://www.econbiz.de/10010257492
We provide a new method to derive the state price density per unit probability based on option prices and GARCH model. We derive the risk neutral distribution using the result in Breeden and Litzenberger (1978) and the historical density adapting the GARCH model of Barone-Adesi, Engle, and...
Persistent link: https://www.econbiz.de/10003973040
start from two simple, economically motivated axioms, namely absence of arbitrage (in the sense of NUPBR) and absence of … relative arbitrage among all buy-and-hold strategies (called static efficiency). A valuation process for a payoff is then … valuing by absence of arbitrage alone. We show that this always yields put-call parity, although put and call values …
Persistent link: https://www.econbiz.de/10011514353
We study the term structure of variance swaps, equity and variance risk premia. A model-free analysis reveals a significant price jump component in variance swap rates. A model-based analysis shows that investors' willingness to ensure against volatility risk increases after a market drop. This...
Persistent link: https://www.econbiz.de/10011899885
I show that an asset pricing model for the equity claims of a value-maximizing firm can be constructed from its optimal financial contracting behavior. I study a dynamic contracting model in which firms trade off the costs and benefits of a given promise to pay external lenders in a specific...
Persistent link: https://www.econbiz.de/10011900221
In a tractable stochastic volatility model, we identify the price of the smile as the price of the unspanned risks traded in SPX option markets. The price of the smile reflects two persistent volatility and skewness risks, which imply a downward sloping term structure of low-frequency variance...
Persistent link: https://www.econbiz.de/10011412294
and fundamentals. Speculation ; Limited Arbitrage ; Hedging ; Exchange Rate Disconnect …
Persistent link: https://www.econbiz.de/10009558406
In general multi-asset models of financial markets, the classic no-arbitrage concepts NFLVR and NUPBR have the serious … introduce a new way of defining “absence of arbitrage”. It rests on the new notion of a strategy being strongly share maximal … absence-of-arbitrage concepts do not change when we look at discounted or undiscounted prices, and they can be used in open …
Persistent link: https://www.econbiz.de/10011899592
developed and used for numerical studies. No-arbitrage conditions were also discussed …
Persistent link: https://www.econbiz.de/10009750653