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## Market Structure

-  Market Structure 
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## Market Structure

-  Market Structure 
-  Visualizations 
-  Research 
-  Downloads 
-  MIDAS 
-  Feedback 

# Market Structure Data Downloads

The Securities and Exchange Commission provides data downloads that promote better understanding of our equity markets and equity market structure. For more information, review current staff market structure research, explore interactive data visualization tools, or further the dialogue through public feedback.

Learn how the SEC uses MIDAS data to construct trade-to-order ratios, quote lifetime distributions, and other metrics:

- Market Activity Methodology
- Quote Life Methodology

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Market Structure Data Downloads Table

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