LSEG
LSEG–MayStreet lawsuit may have precedent in Delaware court
Lawyers for Patrick Flannery argue that a recently settled case in Delaware sets precedent for his ongoing battle with the exchange group.
Waters Rankings 2026: Best market data provider—LSEG
LSEG wins best market data provider in the 2026 Waters Rankings for its LSEG Data & Feeds.
Waters Rankings 2026: Best low-latency data feed provider—LSEG
LSEG wins best low-latency data feed provider in the 2026 Waters Rankings for its Real-Time – Direct service.
Smartstream launches agentic solution, SEC greenlights 23/5 trading for Cboe, and more
The Waters Cooler: A recap of the major tech and data news from the past week in the capital markets.
LSEG paid $275 million for MayStreet, court documents say
Amid the ongoing MayStreet–LSEG lawsuit, lawyers for the exchange group filed documents last week that reveal the price tag of the deal and the earnout amounts at the center of the case.
LSEG’s FXall to launch credit-intermediated FX forwards service
Split Risk to allow buy side to tap best spot and swap prices to create forwards, and unbundle market and credit risk
From latency to flexibility: The evolution of LSEG’s real-time data business
LSEG’s real-time market data business supports the push toward managed, cloud-based solutions, addressing legacy constraints while future proofing data strategies.
Anthropic builds finance agents, Osttra buys HUB, TMX mulls extended trading, and more
A recap of the major tech and data news from the past week in the capital markets.
LSEG makes final case for dismissal of MayStreet lawsuit
Lawyers for both LSEG and MayStreet founder Patrick Flannery have argued the lawsuit’s merits through various legal filings for almost a year.
LSEG’s TradeAgent to challenge swap confirmation monopoly
Post-trade platform aims to extend clearing efficiencies to bilateral markets beyond SwapAgent.
Witad Awards 2026: WatersTechnology Woman of the Year—Annabel Harrison, LSEG
Annabel Harrison, head of Agent Services, Post Trade Solutions at LSEG, wins WatersTechnology Woman of the Year in the 2026 Women in Technology and Data Awards.
Market data cost increases slow, but prices still outmatch budgets
The market for market data is in flux as procurement teams are buoyed by C-suite attention, AI, and competitive tension. But providers are trying to protect their moat.
LSEG ‘acted in bad faith’ in MayStreet acquisition, new court filing alleges
Lawyers for Patrick Flannery have responded to LSEG’s motions to dismiss the suit for fraud and breach of contract related to the 2022 acquisition.
Bloomberg enhances feeds, Standard Chartered and TP Icap partner on digital assets, and more
The Waters Cooler: LSEG and ASX partner to modernize derivatives platform, MSCI acquires two companies, State Street bolsters data business, and more in this week’s news roundup.
Waters Wavelength Ep. 347: Brennan Carley
This week, Brennan Carley, who has spent more than 40 years working in financial technology, joins to discuss the hidden risks and untapped potential of agentic AI in the capital markets.
CME rankles market data users with licensing changes
The exchange began charging for historically free end-of-day data in 2025, angering some users.
LSEG sees widespread uptake of its real-time managed service offering
LSEG Data & Analytics’ real-time managed service strategy sets it apart from other offerings in what is a highly competitive sector
Everything you need to know about market data in overnight equities trading
As overnight trading continues to capture attention, a growing number of data providers are taking in market data from alternative trading systems.
AI-driven infused reasoning set to democratize the capital markets
AI is reshaping how market participants interact with data, lowering barriers to entry and redefining what is possible when insight is generated at the same pace as the markets.
LSEG files second motion to dismiss lawsuit with MayStreet co-founder
Exchange group has denied abandoning the MayStreet business in a new filing, responding to allegations put forward by former MayStreet CEO Patrick Flannery.
LSEG partners with Citi, DTCC goes on-chain, AI on the brain, and more
The Waters Cooler: Trading Technologies buys OpenGamma, CT Plan updates, and the beginning of benchmarking in this week’s news roundup.