Time Variation In Liquidity: The Role Of Market Maker Inventories And Revenues

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Executive Summary

Paper shows that market-maker balance sheet and income statement variables explain time variation in liquidity, suggesting liquidity-supplier financing constraints matter. Using 11 years of NYSE specialist inventory positions and trading revenues. The effects are non-linear and most prominent when inventories are big or trading results have been particularly poor. These sensitivities are smaller after specialist firm mergers, consistent with deep pockets easing financing constraints. Finally, compared to low-volatility stocks, the liquidity of high-volatility stocks is more sensitive to inventories and losses.

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