Working Paper
Index arbitrage and nonlinear dynamics between the S&P 500 futures and cash
Abstract: We use a cost of carry model with nonzero transactions costs to motivate estimation of a nonlinear dynamic relationship between the S&P 500 futures and cash indexes. Discontinuous arbitrage suggests that a threshold error correction mechanism may characterize many aspects of the relationship between the futures and cash indexes. We use minute-by-minute data on the S&P 500 futures and cash indexes. The results indicate that nonlinear dynamics are important and related to arbitrage and suggest that arbitrage is associated with more rapid convergence of the basis to the cost of carry than would be indicated by a linear model.
Keywords: Arbitrage; Futures; Stock market;
Status: Published in Review of Financial Studies, Spring 1996
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Bibliographic Information
Provider: Federal Reserve Bank of Atlanta
Part of Series: FRB Atlanta Working Paper
Publication Date: 1995
Number: 95-17