The Night and Day of Amihud’s (2002) Liquidity Measure

Asset pricing with liquidity risk

Yashar H Barardehi, Dan Bernhardt, Thomas Ruchti and Marc Weidenmier

The Review of Asset Pricing Studies, 2021, vol. 11, issue 2, 269-308

Abstract: Amihud’s stock (il)liquidity measure averages daily ratios of the absolute close-to-close return to dollar volume, including overnight returns. Our modified measure uses open-to-close returns matching return and trading volume measurement windows. It is more strongly correlated with trading-cost measures (by 8%–37%) and better explains cross-sections of returns, doubling estimated liquidity premiums. Using nonsynchronous trading near close, we show overnight returns are primarily information driven: including them in Amihud’s proxy for price impacts of trading magnifies measurement error, understating liquidity premiums. Our modification helps wherever Amihud’s measure is required. Our measures are publicly available for 1964–2019 and can be updated. (JEL G12, G14)Received June 2, 2020; editorial decision September 11, 2020 by Editor Jeffrey Pontiff.

Date: 2021
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Citations: View citations in EconPapers (7)

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Working Paper: The Night and Day of Amihud’s (2002) Liquidity Measure (2019)
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Persistent link: https://EconPapers.repec.org/RePEc:oup:rasset:v:11:y:2021:i:2:p:269-308.

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