How does option listing affect the underlying stock price duration ? A study of French underlying stock efficiency
Jouaber, Kaouther; Tekaya, Rim (2009-09), How does option listing affect the underlying stock price duration ? A study of French underlying stock efficiency, Annual Finsia and Melbourne Centre for Financial Studies Banking and Finance Conference : "Reassessing the Role of Financial Services", 2009-09, Melbourne, Australie
Type
Communication / ConférenceDate
2009-09Conference title
Annual Finsia and Melbourne Centre for Financial Studies Banking and Finance Conference : "Reassessing the Role of Financial Services"Conference date
2009-09Conference city
MelbourneConference country
AustralieMetadata
Show full item recordAbstract (EN)
We empirically investigate the effect of option listing on the underlying stock pricing efficiency by examining the stock price duration dynamic. We use univariate tests and modified Log-ACD models that account for liquidity. Results indicate that option listing neither damages nor improves the underlying stock efficiency. However, they suggest that a new arrival of informed traders could occur during the trading day as a seasonal feature. We also find a decrease in informed trading for low volume stocks. Furthermore, Euronext and Liffe merger seems to have an impact on the duration process and on the informational content of underlying stocks.Subjects / Keywords
Option listing; Efficiency; Price duration; Log-ACD model; LiquidityRelated items
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