Modeling Informed State in Fixed Income Market: Empirical Evidence from HFT Data

16 Pages Posted: 27 Aug 2010 Last revised: 13 Nov 2018

See all articles by Alok Kumar

Alok Kumar

Indira Gandhi Institute of Development Research (IGIDR) - Economics

Madhucchand Darbha

University of Reading - ICMA Centre

Date Written: August 27, 2010

Abstract

Motivated by findings in the existing literature on the information content of order flows, we specify Probability of Informed Trading – Asymmetric Autoregressive Conditional Duration (PIN-AACD) model to identify the ‘informed state’ in the Fixed Income Markets. Using tick-by-tick price and order flow data, we obtain the estimates for the probability of informed (PIN) state throughout the trading day. The trade direction (buy versus sell orders) and the duration between trades are modeled jointly. The model allows the Probabilities of Good News and Bad News to vary each interval. Results show that intraday patterns of the PIN estimates are consistent with the scheduled arrival of public information or news. Further, we show that PIN is positively related to overall market depth. The effect of realized volatility on information asymmetry is unexpectedly found to be negative. We also find positive correlation between news and trading volume. The study intends to support trading and sales teams in identifying informed trades.

Keywords: Autoregressive Conditional Duration, Market Microstructure, Probability Of Informed Trading, High Frequency Transaction Data, Fixed Income Markets

JEL Classification: C410, G140

Suggested Citation

Kumar, Alok and Darbha, Madhucchand, Modeling Informed State in Fixed Income Market: Empirical Evidence from HFT Data (August 27, 2010). Available at SSRN: https://ssrn.com/abstract=1666818 or http://dx.doi.org/10.2139/ssrn.1666818

Alok Kumar (Contact Author)

Indira Gandhi Institute of Development Research (IGIDR) - Economics ( email )

Film City Road, Santosh Nagar
Mumbai 400065 Maharashtra
India
91 982 025 7651 (Phone)
91 222 840 2752 (Fax)

Madhucchand Darbha

University of Reading - ICMA Centre ( email )

Whiteknights Park
P.O. Box 242
Reading RG6 6BA
United Kingdom

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