News, Insight and Events

22 May, 2025

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.

21 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 is foundational to effective trading.

15 May, 2025

Aggregated metrics to better understand the market

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.

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.

13 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.

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.

8 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.

2 May, 2025

How Accessible is Off-Book On-Exchange Trading?

A category of trades that has seen increased discussion due to its growing market share is ‘Off-Book On-Exchange’ trades. These are OTC trades that are executed away from an order book, but are reported to an exchange and traded under exchange rules. An important question is - what proportion of this liquidity is accessible to any market participant?

30 April, 2025

Coming back full circle: my unexpected path to re-joining a historical data provider

Gavin Carey, Head of Content at BMLL, has over 25 years’ experience leading business development, content, technology, and product management teams in the real-time and historical market data space.