BMLL welcomes Five Rings to its CPAB
28 May 2026 UK
Image: WrightStudio/stock.adobe.com
BMLL, an independent provider of harmonised, Level 3, 2 and 1 historical data and analytics, has welcomed Five Rings, a New York-based proprietary trading firm which combines quantitative expertise, rapid innovation, and highly-scalable technology, to its Client Product Advisory Board (CPAB).
According to Five Rings, it has joined the CPAB in support of its mission to elevate the standard of historical market data for the benefit of the entire industry and to offer its breadth of technological and market structure expertise to help shape BMLL’s future product roadmap.
Additionally, Five Rings says that it values BMLL Data Lab, the scalable Python research sandbox that provides access to full-depth, Level 3 order book data, and BMLL Data Feed for flexible data delivery.
Parker Lim, head of Special Projects at Five Rings, says: "We work in teams of quantitative researchers, developers, and traders, continuously seeking new opportunities and deploying our strategies.
“BMLL’s high-quality data and research environment have become instrumental as we continue to expand into new markets and modes of execution, enabling us to perform reliable quantitative analysis to move quickly from insight to implementation.”
Paul Humphrey, CEO at BMLL, adds: "The CPAB continues to gain strong momentum as a client-led initiative, and we’re delighted to welcome a highly sophisticated firm like Five Rings to the community. Leading firms like theirs are placing trust in our data normalisation capabilities and are increasingly leveraging our historical data to shape their global strategies.
“While their involvement gives them visibility of and input into the evolution of BMLL’s product offering, their contribution to the CPAB provides us with valuable insight as we look to elevate the standard of historical market data across the industry.”
According to Five Rings, it has joined the CPAB in support of its mission to elevate the standard of historical market data for the benefit of the entire industry and to offer its breadth of technological and market structure expertise to help shape BMLL’s future product roadmap.
Additionally, Five Rings says that it values BMLL Data Lab, the scalable Python research sandbox that provides access to full-depth, Level 3 order book data, and BMLL Data Feed for flexible data delivery.
Parker Lim, head of Special Projects at Five Rings, says: "We work in teams of quantitative researchers, developers, and traders, continuously seeking new opportunities and deploying our strategies.
“BMLL’s high-quality data and research environment have become instrumental as we continue to expand into new markets and modes of execution, enabling us to perform reliable quantitative analysis to move quickly from insight to implementation.”
Paul Humphrey, CEO at BMLL, adds: "The CPAB continues to gain strong momentum as a client-led initiative, and we’re delighted to welcome a highly sophisticated firm like Five Rings to the community. Leading firms like theirs are placing trust in our data normalisation capabilities and are increasingly leveraging our historical data to shape their global strategies.
“While their involvement gives them visibility of and input into the evolution of BMLL’s product offering, their contribution to the CPAB provides us with valuable insight as we look to elevate the standard of historical market data across the industry.”
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