Differential access to dark markets and execution outcomes

Journal of Financial Economics · 2025 · Volume 171

DOI: 10.1016/j.jfineco.2025.104086

Abstract

Dark pools can restrict access for specific trader types. We compare execution outcomes between dark pools that restrict high frequency trader access and those that do not. We find that trades executed in dark pools with more access restrictions have less order flow information leakage, adverse selection risk and post-trade order imbalances than trades in less restricted pools. Evidence from exogenous dark pool closures demonstrates that these differences are causal. The ability to segment order flow can benefit investors because it allows them to make trade-offs between execution risk and information leakage across different dark venues.

Keywords

Execution outcomes, Segmentation, High frequency trading, Dark trading

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