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We use Malliavin calculus and the Clark-Ocone formula to derive the hedging strategy of an arithmetic Asian Call option in general terms. Furthermore we derive an expression for the density of the integral over time of a geometric Brownian motion, which allows us to express hedging strategy and...
Persistent link: https://www.econbiz.de/10013095807
This paper reviews recent developments in macro and finance on the relationship between financial risk and the real economy. We focus on three specific topics: the term structure of uncertainty, time variation - and specifically the long-term decline - in the variance risk premium, and time...
Persistent link: https://www.econbiz.de/10014437009
A measure of risk premium is derived from the comparison of spot and option prices across the US equity and euro dollar markets. Risk premia in both markets co-move with volatility risk. Option prices, however, seem to underreact to changes in return volatility forecasts
Persistent link: https://www.econbiz.de/10013094584
Using a range of stochastic volatility models well-known in the nance literature, we study the existence of money market bubbles in the US economy. Money market bubbles preclude the existence of a risk-neutral pricing measure. Understanding whether markets exhibit money market bubbles is crucial...
Persistent link: https://www.econbiz.de/10012981122
The present paper provides empirical studies to estimate defaultable bonds in the South African financial market. The main goal is to estimate the unobservable factors affecting bond yields for South African major banks. The maximum likelihood approach is adopted for the estimation methodology....
Persistent link: https://www.econbiz.de/10013297153
Security prices contain valuable information that can be used to make a wide variety of economic decisions. To extract this information, a model is required that relates market prices to the desired information, and that ideally can be implemented using timely and low-cost methods. The authors...
Persistent link: https://www.econbiz.de/10003951236
American call and put options on the S&P 500 index futures that violate the stochastic dominance bounds of Constantinides and Perrakis (2007) over 1983-2006 are identified as potentially profitable investment opportunities. Call bid prices more frequently violate their upper bound than put bid...
Persistent link: https://www.econbiz.de/10003876987
We document widespread violations of stochastic dominance in the one-month S&P 500 index options market over the period 1986-2002. These violations imply that a trader can improve her expected utility by engaging in a zero-net-cost trade. We allow the market to be incomplete and also imperfect...
Persistent link: https://www.econbiz.de/10003222135
This paper surveys the literature that deals with the informational content of market option prices for the purposes of quantitative asset management. We review studies that have investigated whether market option prices may help a portfolio manager in the stock selection process, portfolio...
Persistent link: https://www.econbiz.de/10012857613
The optimal portfolio of a utility-maximizing investor trading in the S&P 500 index and cash, subject to proportional transaction costs, becomes stochastically dominated when overlaid with a zero-net-cost portfolio of S&P 500 options bought at their ask and written at their bid price in most...
Persistent link: https://www.econbiz.de/10012965783