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Market Structure


The Securities and Exchange Commission created this website to promote better understanding of our equity markets and equity market structure through the use of data and analytics.

Review current staff market structure research, use interactive data visualization tools to explore a variety of advanced market metrics produced from the Commission’s Market Information Data and Analytics System (MIDAS), download dozens of datasets to perform your own analyses, and further the dialogue through public feedback.

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Data Visualizations

Create your own charts, compare and contrast data sets according to a variety of equity security characteristics, zoom to specific date periods, and view data distributions down to the level of one-millionth of a second.

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  • Market structure research that can inform policy decisions
  • Forensic analysis of market events
  • Monitoring of market activities
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