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Is it time to reduce the minimum tick sizes of the E-mini futures?

โœ Scribed by Alexander Kurov; Tatyana Zabotina


Publisher
John Wiley and Sons
Year
2004
Tongue
English
Weight
221 KB
Volume
25
Category
Article
ISSN
0270-7314

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โœฆ Synopsis


On the Chicago Mercantile Exchange (CME), so-called "E-mini" index futures contracts trade on the electronic GLOBEX trading system alongside the corresponding full-size contracts that trade on the open outcry floor. This paper finds that the current minimum tick sizes of the E-mini S&P 500 and E-mini Nasdaq-100 futures contracts act as binding constraints on the bid-ask spreads by not allowing the spreads to decline to competitive levels. We also find that, while exchange locals trade very actively on GLOBEX, they do not tend to act as liquidity suppliers. Taken together, our empirical results suggest that it is time for the CME to consider decreasing the minimum tick sizes of the S&P 500 and Nasdaq-100 E-mini futures contracts. A tick size reduction is likely to result in lower trading costs in the E-mini futures markets.


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