Liquidity Measure Distortions in Fast Markets: Expensive and Cheap Solutions
Craig W. Holden
Indiana University - Kelley School of Business - Department of Finance
Stacey E. Jacobsen
Southern Methodist University (SMU) - Edwin L. Cox School of Business - Department of Finance
March 9, 2012
We investigate how the increase in speed of U.S. equity markets has distorted liquidity measures. We find that the widely-used Monthly Trade and Quote (MTAQ) database yields a percent effective spread 43% higher than our benchmark, a quoted spread that is nonpositive nine times more often, and a potential cost of poor routing decisions of $8.4 Billion/year. We test ways to eliminate or mitigate these distortions. We find that the best solution is to use the expensive Daily Trade and Quote database. If a researcher is financially constrained, then the second best solution is to use MTAQ with our new Interpolated Time technique and two other techniques.
Number of Pages in PDF File: 48
Keywords: millisecond, high-frequency trading, low-latency trading, NBBO, DTAQ, MTAQ, TAQ
JEL Classification: C15, G12, G20
Date posted: March 10, 2012
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