Market Structure Analysis

Understanding market structure requires detailed insight into liquidity behaviour across fragmented trading venues. However, analysing disparate exchange datasets and venue protocols is often complex and time-consuming.

BMLL removes this friction by delivering harmonised historical market data and pre-computed analytics, enabling analysts to focus directly on liquidity analysis, venue benchmarking, and structural market insights without the burden of data engineering.

Key Capabilities Generate Actionable Market Structure Insights

BMLL enables analysts to benchmark market quality, analyse liquidity behaviour, and evaluate structural changes consistently across global markets.

Liquidity Analysis

Track spreads, depth, and hidden liquidity dynamics throughout the trading day using harmonised datasets.

Venue Benchmarking

Compare market quality across domestic and international venues to identify optimal trading environments.

Impact of Rules & Products

Evaluate how tick-size changes, auction mechanisms, and order types affect trading behaviour and liquidity formation.

Market Fragmentation Insights

Measure EBBO dynamics, cross-venue activity, and liquidity fragmentation trends across markets.

Essential Data & Metrics

Pre-calculated liquidity metrics including Time at Best, Spread/Depth ratios, and Quote-to-Trade ratios.

Harmonised mapping of venue-specific order types and auction phases.

Cross-venue fragmentation and liquidity analytics for consistent benchmarking.

Nanosecond-precision sequencing for accurate market reconstruction and behavioural analysis.

BENEFITS & USE CASES How BMLL Supports Market Surveillance

Platform	Benefit	Use Cases
	A secure cloud-based research environment that enables deep, scalable analysis of harmonised historical market data and pre-computed analytics without infrastructure overhead.	• Bespoke microstructure research • Venue benchmarking • Deep-dive liquidity profiling
	Delivers normalised datasets and pre-computed analytics directly into your environment for seamless integration into existing workflows.	• Internal market structure databases • Automated reporting pipelines • Macro trend analysis
	A no-code analytics platform that provides instant visibility into market quality and liquidity dynamics.	• Market fragmentation visualisation • Liquidity trend analysis • Client-facing market commentary

BMLL ECOSYSTEM Explore the BMLL Platform

Access to our full range historical harmonised and normalised level 3, equities, futures, options and prediction markets market data, built in analytics and compute that scales across CPU and GPU. Built for alpha, insights, research, development and data science. Designed by quants.

Petabytes of historical market data and derived analytics, securely delivered to your environment by API, files, cloud warehouse or data platform. Level 3 order book granularity, normalised across venues and geographies, research-ready schema.

Intuitive no code visual application bringing all market participants exceptional granular insights over 500 metrics derived from BMLL best in class Level 3.

LATEST INSIGHTS Case Studies and Client Insights

15 July 2026

BMLL Market Lens: View From The Feed

A selection of 10 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.

Read the Article

2 July 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.

Read the Article

16 June 2026

Beyond the Headlines: The Market Mechanics Behind SpaceX's First Day

SpaceX (SPCX) traded US$85.3 billion on 522 million shares, or 94% of float, during its first trading session. It closed 19.2% above its US$135 offer price and 7.3% above the opening cross. BMLL level 3 data shows offer side passive liquidity recovered slower than bid side during aggressive trading burst in its first trading day.

Read the Article

Market Structure Analysis

Key Capabilities Generate Actionable Market Structure Insights

Essential Data & Metrics

BENEFITS & USE CASES How BMLL Supports Market Surveillance

BMLL ECOSYSTEM Explore the BMLL Platform

LATEST INSIGHTS Case Studies and Client Insights

Ready to see the market differently?