AN EQUILIBRIUM-BASED MODEL OF STOCK-PINNING

Suhas Nayak ()
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Suhas Nayak: McKinsey & Company, Sydney Office, Australia

International Journal of Theoretical and Applied Finance (IJTAF), 2007, vol. 10, issue 03, 535-555

Abstract: We consider a model of the economy that splits investors into two groups. One group (the reference traders) trades an underlying asset according to the difference in realized returns between that asset and some evolving consensus estimate of those returns; the other group (hedgers) hedge options, namely straddles, on the underlying asset. We consider the cases when hedgers are long the straddle and when the hedgers are short the straddle. We numerically simulate the terminal distribution of the underlying asset price and find that hedgers that are long the straddle tend to push the underlying toward the strike, while hedgers that are short the straddle cause the underlying security to have a bimodal terminal probability distribution with a local minimum at the strike.

Keywords: Stock-pinning; feedback effects; hedging; equilibrium (search for similar items in EconPapers)
Date: 2007
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DOI: 10.1142/S0219024907004287

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