Showing 1 - 10 of 226
In this paper we study implied and realized volatility for the Nordic power forward market. We create an implied volatility index with a fixed time to maturity. This index is compared to a realized volatility time series calculated from high-frequency data. The results show that the implied...
Persistent link: https://www.econbiz.de/10011208297
The majority of risk adjusted performance measures (RAPM) currently in use – e.g., Treynor ratio, (?/?)) ratio, Omega index, RoVaR, ‘coherent’ preference criteria, etc. – are incompat- ible with any sensible utility function and would be best avoided. We argue instead for the assessment...
Persistent link: https://www.econbiz.de/10010938095
After executing option orders, options market makers turn to the stock market to hedge away the underlying stock … independent of options. The analysis shows that the option-induced imbalance significantly predicts future stock returns in the … cross section controlling for the past stock and options returns, but the imbalance independent of options has only a …
Persistent link: https://www.econbiz.de/10010743556
options on the S&P 500 futures expire (pinning) and are pushed away from the cost-of-carry adjusted at-the-money strike price … right before the expiration of options on the S&P 500 index (anti-cross-pinning). These effects are driven by the interplay … (and early exercise) of in-the-money options by individual investors. The associated shift in notional futures value is at …
Persistent link: https://www.econbiz.de/10010587978
We examine the information content of option and equity volumes when trade direction is unobserved. In a multimarket asymmetric information model, equity short-sale costs result in a negative relation between relative option volume and future firm value. In our empirical tests, firms in the...
Persistent link: https://www.econbiz.de/10010593832
This study analyzes the forecasting accuracy of the implied volatility of options on futures contracts for the delivery … of CO2 emission allowances (carbon options) traded on the European Climate Exchange. We demonstrate that option implied … volatility is highly informative about the variance of returns realized over the remaining life of the options. It is also …
Persistent link: https://www.econbiz.de/10010939429
This study proposes a utility-based framework for the determination of optimal hedge ratios that can allow for the impact of higher moments on the hedging decision. The approach is applied to a set of 20 commodities that are hedged with futures contracts. We find that in sample, the performance...
Persistent link: https://www.econbiz.de/10005357664
Generalizations of traditional preference criteria such as the Sharpe ratio, the information ratio and the Jensen alpha are obtained by maximizing a certain equivalent excess return (CER) under relevant investment conditions. They are increasing functions of CERs and therefore equivalent...
Persistent link: https://www.econbiz.de/10008542356
We study returns on over-the-counter stocks and find that these returns are extremely negative on average. The distribution of OTC stock returns is highly positively skewed: while many of the stocks in our sample become worthless, a few do extremely well. We investigate whether this negative...
Persistent link: https://www.econbiz.de/10011208265
Energy economy optimization (EEO) models employ formal search techniques to explore the future decision space over several decades in order to deliver policy-relevant insights. EEO models are a critical tool for decision-makers who must make near-term decisions with long-term effects in the face...
Persistent link: https://www.econbiz.de/10010588004