By Magnus Haglind, Head of Capital Markets Technology, Nasdaq

The financial industry faces a convergence of transformative forces that fundamentally redefine what resilience means for both market operators and participants worldwide. The metrics that define mission-critical infrastructure of uptime, performance, security will remain the same, but the methods of achieving them must be entirely reimagined.

As markets move toward always-on operations and performance demands intensify, the industry faces a defining question: How do we meet these new realities while maintaining the reliability that markets demand?

Strategic Technology Priorities in a New Reality

Markets and critical infrastructure have been migrating to the cloud for years and this transition is intensifying as part of the shift toward always-on operations. Cloud architectures offer the elasticity, geographic distribution, and rapid provisioning that continuous markets require, making cloud a foundational enabler of the always-on paradigm. Yet the cloud alone does not guarantee resilience. High availability – the capacity of a system to perform continuously with automatic failover, zero single points of failure, and self-healing capabilities – must be built from the ground up: it demands redundant architecture, rigorous fault-tolerance engineering, and continuous operational validation at every layer of the stack.

Always-on markets will remove the overnight windows traditionally used to upgrade mission-critical systems. When markets operate nearly around the clock, traditional maintenance becomes impossible, forcing an immediate reassessment of where and how firms invest to meet this new operating reality. That reassessment extends beyond core trading infrastructure. The increasing integration of digital asset platforms and AI-driven workflows into live market environments adds further urgency, each introducing new performance demands and failure modes that must be held to the same exacting standards as the systems they sit alongside.

Meeting that challenge means navigating significant simultaneous pressures: adapting systems in real-time to an evolving threat landscape, managing geopolitical tensions that can fragment global networks overnight, and satisfying regulatory frameworks like the EU’s Digital Operational Resilience Act that demand ever greater levels of operational continuity.

The answer lies in rethinking agility, performance engineering, and operational capacity together, not in sequence. Extending trading hours requires fundamentally different approaches to system updates and capacity planning. Forming strategic partnerships that leverage cloud capabilities, while maintaining control over mission-critical functions, becomes an essential part of that response.

Static Stability and Cost-Efficient Multi-Regional Design

One of the more nuanced tensions in building always-on infrastructure is the relationship between public cloud and edge compute. Public cloud is already the backbone of mission-critical market operations: at Nasdaq and across the industry, workloads spanning post-trade processing, risk management, and settlement run reliably in public cloud environments today, benefiting from elastic capacity, geographic redundancy, continuous platform investment, and advanced cybersecurity tooling.

The more precise architectural question is not whether to use public cloud, but where? For the most latency-sensitive workloads, specifically order matching, where microseconds determine fair and equal access to markets, the deterministic performance capital markets demand requires careful decisions about where compute runs. That is a question of design precision, not a limitation of cloud itself.

The industry deserves recognition for navigating recent geopolitical volatility without major disruption, having learned lessons from the global pandemic to scale and adapt more effectively. But as markets transition to 23×5 and 24×7 environments, those scaling challenges will resurface with new intensity. The key lesson from recent years is that preparedness means designing for “static stability.” Critical systems must be able to keep running entirely on their own, without relying on third-party dependencies to allocate resources or coordinate behaviour in moments of turbulence. Solutions that bring native cloud services and infrastructure on-premises, inside a firm’s own data center, offer one compelling path forward to facilitate workloads with physical proximity to the matching engine without disrupting market ecosystems. This approach is not a retreat from the cloud; it is a more sophisticated expression of it. That said, implementing these hybrid edge-to-cloud architectures requires deep expertise in both cloud engineering and capital markets operations, a combination that is rare and should not be underestimated.

Similarly, multi-regional architecture is no longer just about disaster recovery, but an important enabler of continuous operations. Active-active configurations, where one region handles live traffic while another undergoes maintenance, will also become the new frontier for delivering continuous improvement without having to apply the brakes.

Partnerships Will be Critical for Navigating Complexity

The complexity of always-on availability requirements, evolving threat landscapes, hybrid edge-to-cloud architectures, the integration of agentic AI workflows, and the expanding scope of tokenized asset platforms is simply too broad and too fast-moving for most firms to address entirely in-house. By drawing on partners with experience navigating these challenges at scale, firms gain access to deep institutional knowledge and the ability to evolve without bearing the full cost, risk, or operational complexity of doing it alone. The strategic imperative is clear: concentrate internal investment on the capabilities that genuinely differentiate your value proposition, and partner for the rest.

The choice facing almost every participant across the global financial industry is immediate. If the industry is to be judged by the same metrics that define mission-critical infrastructure, the way we deliver them must change. Operators and participants must build for the convergence of always-on markets, digital assets, and AI-powered operations, or fall behind in an industry where technological readiness determines market leadership.