SEC: Market Structure Updated Metrics

SEC Staff is pleased to provide you with the following updates:

•  Updated Metrics. Data series containing daily cancel-to-trade ratios, trade-order volumes, hidden rates, and odd-lot rate metrics for Q3 2022 are now available. This data extends to 129 total months the data series you can view in the data visualization tool as well as download in CSV format. The visualization for quote-life data now defaults to Q3 2022.