By Anthony Rousseau, VP, Head of Brokerage Solutions, TradeStation
Markets are undergoing dramatic changes. The signals are impossible to miss.
Nasdaq recently announced plans to introduce 24-hour trading in late 2026. Elsewhere on Wall Street, the New York Stock Exchange is also moving towards 24/7 trading for U.S. equities and ETFs, along with instant settlement, fractional shares, and dollar-based ordering on the docket.
The push towards round-the-clock trading is in high-acceleration mode. The legacy systems currently in place weren’t built to keep pace with technology and it’s starting to show.
This is not a trend. It’s a structural shift in how investors interact with markets. And, in my view, it’s long overdue.
Investors don’t live their lives within neatly defined market hours. Earnings hit after the close. Global macro events unfold overnight. Digital assets trade continuously. But much of the legacy brokerage industry is still built around frameworks designed for a market that shuts down every afternoon and resets overnight.
That mismatch is no longer sustainable. Always-on investing is quickly becoming the expectation rather than the exception. Yet as brokers race to extend access, there’s an even more important question we should ask: are we modernizing the infrastructure and protections that make continuous trading viable, or just stretching legacy systems beyond their limits?
Access Is Easy – But Doing the Job Right Is Tough
There’s a growing assumption that 24/7 trading is simply about longer hours. I strongly disagree. Extending access without rethinking risk, surveillance, guardrails, and market controls isn’t innovation; it’s exposure. That’s a big problem.
In a trading environment where the lights are on all the time, there’s no downtime to reconcile positions, review risk, or pause and evaluate volatility. 24/7 markets don’t take breaks, and neither can the systems that support them. That changes everything for brokers and in ways they may not expect.
The platforms that will define the future of 24/7 trading won’t be the ones that move first. They’ll be the ones who build intelligently, with a sharp focus on scaling access while strengthening guardrails.
Continuous Markets Change the Risk Equation
We know that when markets operate continuously, volatility behaves differently. Price moves can compound faster. Liquidity conditions can shift abruptly. Events that unfold over multiple traditional sessions can rise like a tidal wave in a single overnight window.
I’ve seen how that reality puts pressure on legacy risk and compliance models, many of which still rely on end-of-day controls, batch processing, or next-day review. Those tools were designed for a market structure that no longer truly exists.
Most legacy brokerage risk frameworks were built around fixed trading sessions, static thresholds, and manual intervention. In a 24/7 world, those approaches simply don’t scale.
Static controls are blunt instruments. They either overcorrect—penalizing engaged, compliant investors—or under-react when conditions change rapidly. Manual processes don’t work when markets never close. And post-event controls are meaningless when risk needs to be addressed as it emerges, not after the damage is done.
However, regulators are increasingly focused on this tension. Whether it’s the U.S. Securities and Exchange Commission’s focus on market integrity and investor protection or the Commodity Futures Trading Commission’s experience overseeing continuously traded derivatives markets, it’s clear that real-time risk management is no longer optional.
As trading models evolve, regulatory expectations will evolve with them. Market brokers that aren’t prepared will feel the squeeze with higher costs, tighter constraints, or both.
Technology Has to Be the Guardrail, Not Just the Engine
If brokers try to force continuous trading into legacy frameworks, they’ll have to choose between innovation and protection. It’s a false choice, and an unnecessary one. Technology enables 24/7 trading, but it can also expand to serve as the primary line of defense.
On one front, AI, robotics, and other new-wave technologies have taken hold in financial markets with unprecedented speed and precision. On another, real-time data, automation, and intelligent analytics enable brokers to continuously monitor markets, detect anomalies earlier, and respond faster than human-only processes.
The firms that will stand out are those that can pair scale with precision—delivering flexible, customizable infrastructure that adapts to the needs of different traders, rather than relying on one-size-fits-all systems.
I’ve seen this model in action, where risk controls aren’t tied to a clock; they’re tied to often volatile market conditions. Exposure limits, margin requirements, and surveillance thresholds can adjust dynamically based on volatility, liquidity, and behavior. That’s how you reduce unnecessary friction for compliant investors while tightening market controls precisely where risk is rising.
Managed correctly, these protections are largely invisible to the end user, which is exactly the point. Market trust is reinforced when safeguards work seamlessly in the background, without unanticipated restrictions or ambiguous decision-making.
Protection Is Becoming a Competitive Advantage
In a 24/7 trading environment, protection isn’t just about compliance. It’s also a differentiator.
Trading platforms that can scale their infrastructure to handle volume and volatility, manage risk in real time, and deliver reliable execution across all market conditions will earn investor trust. Trust is what determines where investors choose to trade when markets move fast and emotions run high.
That’s what we’re telling our trading professionals: access may attract users, but stability keeps them. The equation is simple, even if execution isn’t.
As markets move toward a continuous model, we expect that brokers will be tasked with doing far more than extending trading hours. Now, in the burgeoning AI age, we’re being asked to rethink how platforms are built, protected, and operated from the ground up.
Brokers need to recognize that their value now lies in infrastructure resilience and personalization, not just market access. The firms that get this right won’t just enable 24/7 trading. They’ll help shape the next era of market structure—one where innovation and protection reinforce each other, rather than compete.
