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White Paper / Article / Insight
24 June, 2025
Into the Close: Unpacking U.S. Closing Auction Dynamics and the Impact of the Russell Reconstitution
This article examines U.S. closing auctions and their behavior during the annual Russell Reconstitution. It shows how different exchanges (NYSE, Nasdaq, NYSE Arca) and order types (like NYSE D-Orders) impact price formation, and how auction volumes and imbalances spike on rebalance day. Understanding these dynamics and historical data is key for traders managing execution and risk into the 2025 reconstitution.Download
Product Video
10 June, 2025
BMLL Vantage Python Code Generator
Start your research in BMLL Vantage, the powerful market microstructure visualisation platform, and seamlessly continue and expand your analysis in BMLL Data Lab, the scalable Python research sandbox, using the Python notebook generator.Read more
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Fact Sheet
27 May, 2025
BMLL二级报价
BMLL二级报价（Level 2 Quotes）提供逐笔视角的订单簿信息，按价格汇总，10档价格的市场深度。该数据集涵盖全球交易所和各类资产，帮助用户深入解析市场历史活动，从而做出更有根据的交易决策。Download
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Fact Sheet
22 May, 2025
Institutional Buy-Side Fact sheet
The institutional buy-side faces rising competition, tighter margins, and regulatory pressure, driving demand for greater efficiency. BMLL supports this by delivering managed data and tools to increase alpha, cut costs, enhance client service, and meet compliance needs.Download
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White Paper / Article / Insight
20 May, 2025
Life is a beach … if your data is clean
6 things buy-side traders need to know. Historical data quality is no longer a "nice-to-have" - it’s foundational to effective trading.Download
White Paper / Article / Insight
14 May, 2025
BMLL’s Big Data Dream: Turning Market Noise Into Market Insight, One Packet at a Time
Paul Humphrey, Chief Executive Officer, BMLL, sat down with John Lothian News at the FIA Boca50 conference. Hear the interview.Read more
White Paper / Article / Insight
13 May, 2025
Let's Talk Markets Live: Digging into the data with Elliot Banks from BMLL
Hear Dr. Elliot Banks, Chief Product Officer at BMLL speak with Dave Launer from Urvin Finance about BMLL's data.Read more
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Case Study
12 May, 2025
Optiver relies on BMLL market data for quant strategy
The market-maker has built its trading business on top of BMLL’s Level 3 data. But the collaboration is young, and the pair have grand plans to make options the next quant frontier.Download
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Case Study
12 May, 2025
A new approach to Level 3 market data
This article is the story of how Optiver became, first, customers of BMLL’S Level 3 historical data, and then investors. It’s also the story of how companies like BMLL, with the help of Optiver, are putting the ‘buy’ into the age-old ‘build versus buy’ question when it comes to historical market data.Download