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Trading in the Cloud – Has Its Time Finally Come?

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By Mike Powell, CEO, Rapid Addition.

The structure of capital markets and how they are traded have, to a large extent, been shaped through the technology adopted by market participants and service providers over the past two decades. And while some firms remain cutting edge, many are left operating legacy infrastructure characterised by high cost and low flexibility. Facing falling margins and intense competition, can cloud technologies help provide trading firms with the agility they need to survive and prosper going forward?

Let’s look at how we got to where we are today.

Major regulatory shake-ups – most notably the EU’s MiFID and the US RegNMS regimes – have required significant investment in technology, essentially pushing executions from screens and phones to electronic trading platforms as firms took advantage of the fragmenting liquidity landscape. This sparked the rise of algorithmic and high-frequency trading, which in turn precipitated large-scale investment in high-performance infrastructure, co-location, and connectivity technologies.

Subsequent post-Credit Crisis regulation restricted proprietary trading at sell-side firms, momentarily slowing the technology arms race. However, best execution rules – enshrined within MiFID II and Dodd-Frank – have ensured latency remains important. The proliferation of hedge funds and quant trading boutiques means there is still significant order flow being executed via high-frequency, ultra-low latency trading strategies.

While this changing landscape has created opportunities, it has also seen a major increase in costs and shrinking sell-side margins adding to trading firms’ competitive pressures. The situation is not helped by current inflationary, energy and geopolitical concerns.

Regulatory overhead, increased infrastructure investment driven by liquidity fragmentation, and a highly competitive execution landscape have left sell-side firms fighting it out for market share in over-brokered markets. Scale and/or innovation are often the only means for firms to differentiate themselves, and the ability to move faster in response to new opportunities has become paramount. Agility is no longer a nice to have; it’s a necessity.

To that end, several of the world’s largest exchange operators have made substantial moves in the past two years to embrace the public cloud. CME Group – the former Chicago Mercantile Exchange and the world’s largest derivatives exchange group – in 2019 teamed up with Google Cloud Services (GCS) to host many of its data services in a cloud environment. The London Stock Exchange Group (LSEG) has partnered with Microsoft to migrate key functionality to its Azure cloud infrastructure in a deal involving the software giant taking a 4% stake in the exchange operator.

While these initiatives are primarily data-focused, we are also seeing momentum in trading services. In 2021, Nasdaq announced a multi-year partnership with Amazon Web Services (AWS) to build its next generation of cloud-enabled capital markets infrastructure (although this will use the AWS edge computing solution rather than their public cloud offering). Similarly, Deutsche Börse announced this February plans to accelerate the development of its proposed digital securities platform with Google Cloud’s secure infrastructure, while Aquis offers a public cloud version in AWS of its exchange platform through its technology sales division.

But despite these partnerships appearing to endorse the model, at least for exchanges, others remain unconvinced. ICE – the former InterContinental Exchange and operator of the New York Stock Exchange, among others – recently said it had no plans to migrate any of its critical infrastructure to the cloud.

So given the challenges and drivers described above, is cloud – and in particular the public cloud – going to play an important role in the evolution of trading infrastructure?

According to an A-Team survey of 20 leading capital markets organisations commissioned by Rapid Addition, the answer is broadly yes.

The caveat is that public cloud isn’t for everyone, everywhere, all the time. But it does have an increasingly important role to play. (I’ll be discussing some of the key findings of the survey at A-Team’s TradingTech Insight Briefing in New York on June 8; you can register to attend here.

It’s accepted that parts of the trading workflow can be moved to the public cloud and other parts cannot – at least for now. Cloud may be appropriate depending on function, with more latency-sensitive applications generally perceived as less suitable.

Or it may be appropriate for certain, often fast-evolving asset classes or subgroups. One respondent, for example, described a massive cloud infrastructure in production for the firm’s US municipal bond trading operation. The firm found cloud to be an appropriate platform for rapidly deploying algo analytics for munis when it first entered the space and needed the flexibility and scalability to quickly scale up operations.

However, with the business now established, however, this respondent questioned the ongoing need for cloud, suggesting that its now predictable workloads for pricing around a million securities overnight may better be suited to on-premises infrastructure since the elasticity element is less relevant. Such are the nuances of the applicability of cloud technologies to certain situations.

Concerns regarding latency and security have restricted some firms’ cloud-based activities to non-production environments or supporting functions in the wider trading ecosystem, with survey respondents describing use cases such as tick data storage, certain software applications, user acceptance testing (UAT), and middle-office functions like P&L calculation and risk management. However, the overfocus on latency (or deterministic latency) is perhaps overshadowing the growing adoption of cloud in certain asset classes and other critical aspects of electronic trading workflow.

Answering the question ‘Trading in the cloud – has its time finally come?’ is not, therefore, straightforward. As one respondent put it, “Two things are clear: for certain use-cases, cloud can work; but it’s not the silver bullet for everything, particularly when it comes to cost.”

In future blogs, we’ll be exploring what’s driving the shift to cloud, which functions are best suited to cloud, and potential obstacles to success, so stay tuned.

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