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Liquidity Supply across Multiple Trading Venues

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Sophie Moinas
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Abstract

Financial markets are increasingly fragmented. How to supply liquidity in this environment? Using an inventory model, we analyze how two strategic intermediaries compete across two venues that can be hit simultaneously by liquidity shocks of equal or opposite signs. Although order flow is fragmented ex-ante, we show that intermediaries might strategically consolidate it ex-post, improving global liquidity. We also fi nd that local spreads co-move together across venues as a result of global inventory management. Using Euronext proprietary data, we uncover new evidence of inventory control across venues and fi nd that local spreads vary in a way uniquely predicted by the model.
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Dates and versions

hal-01137813 , version 1 (31-03-2015)

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  • HAL Id : hal-01137813 , version 1

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Laurence Lescourret, Sophie Moinas. Liquidity Supply across Multiple Trading Venues. 2015. ⟨hal-01137813⟩
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