ATS Transparency Data Quarterly Statistics

ATS data has been aggregated on a quarterly basis to display total shares, total trades and average trade size per ATS.

2023 Quarterly Tables

1st Quarter

• Tier 1 NMS Stocks
• Tier 2 NMS Stocks
• All NMS Stocks
• All OTC Securities

2nd Quarter

• Tier 1 NMS Stocks
• Tier 2 NMS Stocks
• All NMS Stocks
• All OTC Securities

3rd Quarter

• Tier 1 NMS Stocks
• Tier 2 NMS Stocks
• All NMS Stocks
• All OTC Securities

4th Quarter

• Tier 1 NMS Stocks
• Tier 2 NMS Stocks
• All NMS Stocks
• All OTC Securities

2022 Quarterly Tables

1st Quarter

• Tier 1 NMS Stocks
• Tier 2 NMS Stocks
• All NMS Stocks
• All OTC Securities

2nd Quarter

• Tier 1 NMS Stocks
• Tier 2 NMS Stocks
• All NMS Stocks
• All OTC Securities

3rd Quarter

• Tier 1 NMS Stocks
• Tier 2 NMS Stocks
• All NMS Stocks
• All OTC Securities

4th Quarter

• Tier 1 NMS Stocks
• Tier 2 NMS Stocks
• All NMS Stocks
• All OTC Securities

2021 Quarterly Tables

1st Quarter

• Tier 1 NMS Stocks
• Tier 2 NMS Stocks
• All NMS Stocks
• All OTC Securities

2nd Quarter

• Tier 1 NMS Stocks
• Tier 2 NMS Stocks
• All NMS Stocks
• All OTC Securities

3nd Quarter

• Tier 1 NMS Stocks
• Tier 2 NMS Stocks
• All NMS Stocks
• All OTC Securities

4th Quarter

• Tier 1 NMS Stocks
• Tier 2 NMS Stocks
• All NMS Stocks
• All OTC Securities

2020 Quarterly Tables

1st Quarter

• Tier 1 NMS Stocks
• Tier 2 NMS Stocks
• All NMS Stocks
• All OTC Securities

2nd Quarter

• Tier 1 NMS Stocks
• Tier 2 NMS Stocks
• All NMS Stocks
• All OTC Securities

3nd Quarter

• Tier 1 NMS Stocks
• Tier 2 NMS Stocks
• All NMS Stocks
• All OTC Securities

4th Quarter

• Tier 1 NMS Stocks
• Tier 2 NMS Stocks
• All NMS Stocks
• All OTC Securities

2019 Quarterly Tables

1st Quarter

• ATS Quarterly Reports - Tier 1 NMS Stocks - Q1 2019
• ATS Quarterly Reports - Tier 2 NMS Stocks - Q1 2019
• ATS Quarterly Reports - All NMS Stocks - Q1 2019
• ATS Quarterly Reports - All OTC Securities - Q1 2019

2nd Quarter

• ATS Quarterly Reports - Tier 1 NMS Stocks - Q2 2019
• ATS Quarterly Reports - Tier 2 NMS Stocks - Q2 2019 
• Quarterly Reports - All OTC Securities - Q2 2019
• Quarterly Reports - All NMS Stocks - Q2 2019

3rd Quarter

• ATS Quarterly Reports - Tier 1 NMS Stocks - Q3 2019
• ATS Quarterly Reports - Tier 2 NMS Stocks - Q3 2019
• ATS Quarterly Reports - All NMS Stocks  - Q3 2019
• ATS Quarterly Reports - All OTC Securities - Q3 2019

4th Quarter

• ATS Quarterly Reports - Tier 1 NMS Stocks - Q4 2019
• ATS Quarterly Reports - Tier 2 NMS Stocks - Q4 2019
• ATS Quarterly Reports - All NMS Stocks - Q4 2019
• ATS Quarterly Reports - All OTC Securities - Q4 2019

2018 Quarterly Tables

1st Quarter

• finra-ats-1q2018-tier1.xlsx
• finra-ats-1q2018-tier2.xlsx
• finra-ats-1q2018-nms.xlsx
• finra-ats-1q2018-otc_0.xlsx

2nd Quarter

• ATS Quarterly Reports - Tier 1 NMS Stocks - Q2 2017
• ATS Quarterly Reports - Tier 2 NMS Stocks - Q2 2018
• ATS Quarterly Reports - All NMS Stocks - Q2 2018
• ATS Quarterly Reports - All OTC Securities - Q2 2018

3rd Quarter

• ATS Quarterly Reports - Tier 1 NMS Stocks - Q2 2017
• ATS Quarterly Reports - Tier 2 NMS Stocks - Q3 2018
• ATS Quarterly Reports - All NMS Stocks - Q3 2018
• ATS Quarterly Reports - All OTC Securities - Q3 2018

4th Quarter

• ATS Quarterly Reports - Tier 1 NMS Stocks - Q4 2018
• ATS Quarterly Reports - Tier 2 NMS Stocks - Q4 2018
• ATS Quarterly Reports - All NMS Stocks - Q4 2018
• ATS Quarterly Reports - All OTC Securities - Q4 2018

2017 Quarterly Tables

1st Quarter

• finra-ats-1q2017-tier1.xlsx
• finra-ats-1q2017-tier2.xlsx
• finra-ats-1q2017-nms.xlsx
• finra-ats-1q2017-otc.xlsx

2nd Quarter

• finra-ats-2q2017-tier1.xlsx
• finra-ats-2q2017-tier2.xlsx
• finra-ats-2q2017-nms.xlsx
• finra-ats-2q2017-otc.xlsx

3rd Quarter

• finra-ats-3q2017-tier1.xlsx
• finra-ats-3q2017-tier2.xlsx
• finra-ats-3q2017-nms.xlsx
• finra-ats-3q2017-otc_0.xlsx

4th Quarter

• finra-ats-4q2017-tier1.xlsx
• finra-ats-4q2017-tier2.xlsx
• finra-ats-4q2017-nms.xlsx
• finra-ats-4q2017-otc.xlsx

2016 Quarterly Tables

1st Quarter

• finra-ats-1q2016-tier1.xlsx
• finra-ats-1q2016-tier2.xlsx
• finra-ats-1q2016-nms.xlsx
• finra-ats-1q2016-otc.xlsx

2nd Quarter

• finra-ats-2q2016-tier1.xlsx
• finra-ats-2q2016-tier2.xlsx
• finra-ats-2q2016-nms.xlsx
• finra-ats-2q2016-otc.xlsx

3rd Quarter

• finra-ats-3q2016-tier1.xlsx
• finra-ats-3q2016-tier2.xlsx
• finra-ats-3q2016-nms.xlsx
• finra-ats-3q2016-otc.xlsx

4th Quarter

• finra-ats-4q2016-tier1.xlsx
• finra-ats-4q2016-tier2.xlsx
• finra-ats-4q2016-nms.xlsx
• finra-ats-4q2016-otc.xlsx

2015 Quarterly Tables

1st Quarter

• finra-ats-1q2015-tier1.xlsx
• finra-ats-1q2015-tier2.xlsx
• finra-ats-1q2015-nms.xlsx
• finra-ats-1q2015-otc.xlsx

2nd Quarter

• finra-ats-2q2015-tier1.xlsx
• finra-ats-2q2015-tier2.xlsx
• finra-ats-2q2015-nms.xlsx
• finra-ats-2q2015-otc.xlsx

3rd Quarter

• finra-ats-3q2015-tier1.xlsx
• finra-ats-3q2015-tier2.xlsx
• All NMS Stocks
• finra-ats-3q2015-otc.xlsx

4th Quarter

• finra-ats-4q2015-tier1.xlsx
• finra-ats-4q2015-tier2.xlsx
• finra-ats-4q2015-nms.xlsx
• finra-ats-4q2015-otc.xlsx

2014 Quarterly Tables

1st Quarter – There is no data for this quarter

2nd Quarter – Partial quarter from May 12, 2014 – June 30, 2014

• finra-ats-2q2014-tier1.xlsx
• finra-ats-2q2014-tier2.xlsx
• finra-ats-2q2014-nms.xlsx
• finra-ats-2q2014-otc.xlsx

3rd Quarter

• finra-ats-3q2014-tier1.xlsx
• finra-ats-3q2014-tier2.xlsx
• finra-ats-3q2014-nms.xlsx
• finra-ats-3q2014-otc.xlsx

4th Quarter

• finra-ats-4q2014-tier1.xlsx
• finra-ats-4q2014-tier2.xlsx
• finra-ats-4q2014-nms.xlsx
• finra-ats-4q2014-otc.xlsx