Does simple pairs trading still work

Do, B and Faff, Robert (2010) Does simple pairs trading still work. Financial Analysts Journal, 66 (4). pp. 83-95. ISSN 0015-198X

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Abstract

Despite confirming the continuing downward trend in profitability of pairs trading, this study found that the strategy performs strongly during periods of prolonged turbulence, including the recent global financial crisis. Moreover, alternative algorithms combined with other measures enhance trading profits considerably, by 22 bps a month for bank stocks.