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23, April, 2026

How Options Flows Move Equity Markets: Insights from High-Quality Historical Data

In this analysis, we demonstrate how you can capture these interconnected market behaviours by combining two complementary datasets: SpiderRock's options volatility surface data to estimate dealer gamma positioning, and BMLL's high-frequency equity market data.

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21 April, 2026

Decoding Geopolitical Risk: A Level 3 Market Microstructure Analysis of Crude Oil at the Start of the Iran War

Geopolitical risk in financial markets is typically understood as a macro phenomenon - stress escalates, supply is threatened, prices spike. But the order book tells a different story. Using BMLL Level 3 data, containing every insert, cancel, and execution at every price level, we show tha...

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19 March, 2026

How Building an Equities Business Changed Our View of Liquidity

Liquidity isn’t just trading volume—it’s fragmented and often hidden across multiple venues. Building an equities business revealed that relying on traditional data gives an incomplete picture, so understanding liquidity requires a broader, more holistic view.

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14 April, 2026

BMLL Market Lens: View From The Feed

A selection of 7 aggregated metrics to better understand the market, including Volatility, TWA Spread, Quote to Trade, Mean Resting Time, Notional Liquidity Around BBO, Fill Probability and Auction Dislocation.

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6 May, 2026

BMLL at TradeTech 2026 - BMLL Trades Plus

At TradeTech, Sybille Mueller, Streets Consulting, spoke with Dr Elliot Banks, BMLL’s Chief Product Officer, about BMLL Trades Plus. Designed to bring everything needed to analyse a trade into one place, BMLL Trades Plus is a unified analytical dataset that helps firms move faster from raw data to real insight. BMLL Trades Plus removes the burden of stitching together complex datasets. It is a game changer for teams who need to rapidly conduct high-value analysis.

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5 May, 2025

View From The Feed - Futures

Using BMLL’s granular Level 3 Data, explore the micro-structure for a variety of future assets. The metrics used to describe the market state include Liquidity, Volatility, Iceberg order (CME produce only), and more. You can access the full picture of an individual future product, in a six month time span.

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23 April, 2026

BMLL Market Lens: US Liquidity Maps

BMLL Market Lens: US Liquidity Maps provide insight into the US equity markets with a view of the top 500 US stocks across the major trading and execution venues over a 13-month period.

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20 April, 2026

From Fragmented Feeds to Strategic Edge: Inside the Exchange Data Revolution

From building self-serve analytics capabilities, to replicating each others' public research papers to launching new products and trading mechanisms, the message to the market is clear - BMLL's high quality market data has accelerated every aspect of their analytics workflows. 

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16 April, 2026

BMLL Market Lens: European Liquidity Maps

BMLL Market Lens: European Liquidity Maps provides insight into the fragmentation of European equity markets via a view of all Cboe Europe All Companies index constituents across the major European trading and execution venues over a 12-month period.

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14 April, 2026

Beyond the Checkbox: Reshaping Sell-Side Execution Analytics

In today’s markets, execution analytics has evolved from a best execution reporting chore into a front-line differentiator. What was once a reactive, box-ticking TCA process is now a strategic capability shaping trading decisions, broker selection, and investment workflows. At the inaugural BMLL Client Summit EMEA in March, leading practitioners discussed how exploding data availability, buy-side sophistication, and increased scrutiny on implicit costs are driving this shift.

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23 March, 2026

TabbFORUM at FIA Boca 2026: BMLL’s Paul Humphrey on Data & AI

In this conversation with TABB Group CEO Bruce Morris, Paul Humphrey explains how clients have become more open to discuss how they are using AI in conjunction with his firm's data and explains how there is a widening divergence between the role of data engineer and quant, as the data side of the business becomes more specialized.

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3 March, 2026

BMLL CLIENT SUMMIT EMEA 2026

This event brought together leading buy-side and sell-side practitioners, exchanges, regulators, academics and industry partners to explore how high-quality historical market data is reshaping market structure research, execution analytics, and trading performance.

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24 February 2026

Choosing the Right Market Data for Scalable Insight

While PCAP data provides the most complete record of market activity and is vital for analysing connectivity or protocol-level issues, it’s often unnecessary for most systematic trading research. In many cases, normalised historical data offers a more practical and cost-effective solution, delivering reliable insights without the added complexity and expense of maximum data fidelity.

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10 February, 2026

Beyond the Benchmarks: A New Era for the Buy-Side Desk

In this blog, Rob Laible reflects on a buy-side panel at the Equity Leaders Summit that explored how trading infrastructure and data are transforming the modern trading desk. The discussion moved beyond technical market structure to focus on the evolving role of traders, the alignment between portfolio intent and execution, data cost challenges, and how analytics and technology are reshaping execution strategies.

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6 February, 2026

UK market at close - where does liquidity really lie?

In 2025, UK closing auction activity increased significantly, with volumes rising from 33% to 42% of total lit trading. Although the primary exchange sets the official closing price, up to 20% of close-time trading now takes place on alternative venues such as MTFs and SIs, making visibility into close-price liquidity increasingly important.

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