Liquidity in the Futures Pits: Inferring Market Dynamics from Incomplete Data
New York University (NYU) - Department of Finance
NYU Working Paper No. S-DRP-03-15
Motivated by economic models of sequential trade, empirical analyses of market dynamics frequently estimate liquidity as the coefficient of signed order flow in a price-change regression. This paper implements such an analysis for futures transaction data from pit trading. To deal with the absence of timely bid and ask quotes (which are used to sign trades in most equity-market studies), this paper proposes new techniques based on Markov chain Monte Carlo estimation. The model is estimated for four representative Chicago Mercantile Exchange contracts. The highest liquidity (lowest order flow coefficient) is found for the S&P index. Liquidity for the Euro and UK £ contracts is somewhat lower. The pork belly contract exhibits the least liquidity.
Number of Pages in PDF File: 38
Keywords: Futures Markets, Liquidity, Gibbs Sampler, MCMC, Markov chain Monte Carlo, Foreign Exchange, Stock Index Futures
Date posted: November 7, 2008
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