User profiles for James S. Doran
James DoranAssociate Professor/ Senior Fellow Verified email at unsw.edu.au Cited by 2301 |
Earnings conference calls and stock returns: The incremental informativeness of textual tone
Quarterly earnings conference calls are becoming a more pervasive tool for corporate
disclosure. However, the extent to which the market embeds information contained in the tone (ie …
disclosure. However, the extent to which the market embeds information contained in the tone (ie …
Implied volatility and future portfolio returns
PS Banerjee, JS Doran, DR Peterson - Journal of Banking & Finance, 2007 - Elsevier
Prior studies find that the CBOE volatility index (VIX) predicts returns on stock market indices,
suggesting implied volatilities measured by VIX are a risk factor affecting security returns or …
suggesting implied volatilities measured by VIX are a risk factor affecting security returns or …
Gambling preference and the new year effect of assets with lottery features
This paper shows that a New Year's gambling preference of individual investors impacts
prices and returns of assets with lottery features. January call options, especially the out-of-the-…
prices and returns of assets with lottery features. January call options, especially the out-of-the-…
Earnings conference call content and stock price: The case of REITs
Using computer based content analysis, we quantify the linguistic tone of quarterly earnings
conference calls for publicly traded Real Estate Investment Trusts (REITs). After controlling …
conference calls for publicly traded Real Estate Investment Trusts (REITs). After controlling …
Computing the market price of volatility risk in the energy commodity markets
In this paper, we demonstrate the need for a negative market price of volatility risk to recover
the difference between Black–Scholes [Black, F., Scholes, M., 1973. The pricing of options …
the difference between Black–Scholes [Black, F., Scholes, M., 1973. The pricing of options …
Confidence, opinions of market efficiency, and investment behavior of finance professors
We identify finance professors’ opinions on the efficiency of the stock markets in the United
States and assess whether their views on efficiency influence their investing behavior. …
States and assess whether their views on efficiency influence their investing behavior. …
Is there information in the volatility skew?
JS Doran, DR Peterson… - Journal of Futures Markets …, 2007 - Wiley Online Library
Since the 1987 crash, option prices have exhibited a strong negative skew, implying higher
implied volatility for out‐of‐the‐money puts than at‐ and in‐the‐money puts. This has …
implied volatility for out‐of‐the‐money puts than at‐ and in‐the‐money puts. This has …
Implications for asset returns in the implied volatility skew
JS Doran, K Krieger - Financial Analysts Journal, 2010 - Taylor & Francis
This study examined the impact on future asset returns of information contained in the implied
volatility skew. Future returns are linked to the discrepancy between call and put volatilities …
volatility skew. Future returns are linked to the discrepancy between call and put volatilities …
The information content in implied idiosyncratic volatility and the cross‐section of stock returns: Evidence from the option markets
D Diavatopoulos, JS Doran… - Journal of Futures …, 2008 - Wiley Online Library
Current literature is inconclusive as to whether idiosyncratic risk influences future stock returns
and the direction of the impact. Earlier studies are based on historical realized volatility. …
and the direction of the impact. Earlier studies are based on historical realized volatility. …
The information content of implied skewness and kurtosis changes prior to earnings announcements for stock and option returns
We use option prices to examine whether changes in stock return skewness and kurtosis
preceding earnings announcements provide information about subsequent stock and option …
preceding earnings announcements provide information about subsequent stock and option …