Bonus Culture, Blind Risk: How Investment Banks Reward the Behavior They Claim to Prevent

Why the Same Banking Scandal Keeps Happening Again and Again

Every few years, a major bank announces that a single trader, acting alone, somehow bypassed every risk control the institution had in place and vaporized hundreds of millions of dollars. The press calls him a rogue. The bank calls him a criminal. And then, almost without fail, the same kind of scandal repeats at a different bank, in a different country, in a different decade.

If rogue traders were truly random anomalies, this pattern would not exist. The fact that it recurs so reliably tells us something the industry rarely admits out loud: the rogue trader is not a malfunction of the system. He is a feature of it. The bonus culture that investment banks build is the very thing that produces the blind risk they later claim to have been victims of.

This article makes an argument the financial industry finds deeply uncomfortable. Banks do not merely tolerate aggressive, boundary pushing traders. They cultivate them, reward them, and quietly depend on them right up until the moment the losses arrive. The word rogue is a convenient device that lets institutions reframe a predictable outcome as a personal betrayal. Understanding why banks keep producing the same scandal requires us to look past the individual and examine the incentive structure and the accountability gap that make these collapses almost inevitable.

The Convenient Myth of the Lone Wolf

When a trading scandal breaks, the narrative is always the same. One individual deceived the controls. Management had no idea. Compliance was blindsided. It is a tidy story, and it is almost always incomplete.

No trader operates in a vacuum. Profitable traders work on desks that generate meaningful revenue, and that revenue earns them increasing responsibility, larger limits, and the benefit of the doubt. Their managers see the profits. They approve the risk. They sign off on promotions. When the trades are making money, nobody asks too many uncomfortable questions about how those profits are being manufactured. The controls that supposedly exist are either inadequate or, more tellingly, selectively enforced.

Willful Blindness as Standard Operating Procedure

There is a psychological term for this called willful blindness. It describes a state where a person has access to troubling information but chooses, often without fully realizing it, not to process that information because acknowledging it would demand action. Acknowledging a problem would mean shutting down a revenue stream, confronting a star employee, and admitting that the desk had been profitable for the wrong reasons.

So the information sits there, flagged but unexamined. Banks are remarkably susceptible to this condition, especially when the symptoms arrive with a profit and loss statement attached. The desk that is making money is the desk that nobody wants to interrupt, and that reluctance is precisely how a small breach becomes a catastrophic one.

Pattern, Not Accident: The Rogue Trader Track Record

The recurring structure becomes obvious once you stop treating each scandal as isolated. Consider how consistently the same outcome reappears across decades and continents.

The details change. The mechanism does not. A trader takes escalating risk. The bank books the profit. The oversight apparatus remains conveniently open-minded for as long as the numbers look good. When the numbers reverse, the institution rediscovers its compliance function and points to a single name. Three different eras, three different countries, and one identical script. That is not coincidence. That is design.

Profit Has No Compliance Department

Here is something that is rarely said plainly: risk management at most large banks is not primarily designed to prevent losses. It is designed to manage the appearance of control. These are not the same objective, and the difference is the heart of the entire problem.

A bank that genuinely wanted to eliminate the possibility of unauthorized trading could do it. It would require hard position limits that cannot be overridden, real time monitoring of exposure, mandatory vacation policies enforced without a single exception, and a culture where questioning a profitable trade is treated as professional diligence rather than disloyalty. The technology exists. The frameworks exist. What does not reliably exist is the institutional will to implement them, because doing so would reduce short term revenue.

Hired for the Very Traits That Destroy Banks

The reason is structural. Banks are, at their core, in the business of taking risk in exchange for return. A trading desk that never tests its boundaries is a desk that underperforms its peers. And in an industry where compensation is tied directly to annual profit and loss, the incentive structure practically begs for boundary pushing.

Traders are not hired to be cautious. They are hired to generate returns. The confidence, the conviction, and the willingness to double down that make someone a star in good times are precisely the traits that produce catastrophe when the market turns. Banks know this. They have always known this. They hire for it anyway.

The Thermostat Problem and the Expected Value of Disaster

Consider an analogy. Imagine a thermostat in your home that occasionally malfunctions and pushes the temperature to dangerous levels. Nine days out of ten, however, it keeps the house perfectly comfortable. You could replace it. You could install a redundant backup. Or you could enjoy the warmth, tell yourself the malfunction is rare, and deal with the consequences only when they arrive.

Banks have historically chosen the third option, and the reason is a cold expected value calculation. A trader who generates 500 million dollars in profit over five years and then loses 2 billion dollars in year six is a net negative for the institution. But the executives who approved his risk limits in years one through five have already collected their bonuses. The loss, when it lands, becomes someone else’s problem, usually the shareholders, occasionally the taxpayers.

The thermostat is working fine, until the day it is not, and by then the people who decided not to replace it are long gone. This is the quiet arithmetic that keeps the entire arrangement intact.

The Accountability Gap That Reforms Never Close

After every major trading loss, the same ritual unfolds. The bank pays a fine. It announces a restructuring of its risk management. It issues a statement about lessons learned and stronger controls. This is standard procedure, and it is repeated almost word for word from one scandal to the next.

And yet the scandals keep happening, because the reforms almost always address symptoms rather than causes. You can add more compliance officers. You can install better monitoring software. You can require additional sign offs on large positions. But if the underlying incentive structure remains unchanged, if traders are still rewarded primarily for short term profit while bearing limited personal downside for long term risk, the system will continue producing identical outcomes. It is like posting a speed limit on a highway while simultaneously paying drivers a bonus for arriving early. You can erect all the signs you want. People will still drive fast.

Who Pays and Who Walks

The deepest issue is the asymmetry of consequences. In most rogue trading cases, the trader goes to prison, the bank pays a fine, and senior management, the people who built the culture, set the incentives, and approved the risk appetite, face minimal personal consequences.

Kweku Adoboli served roughly four years of a seven year sentence and was later deported. His managers served none. Nick Leeson went to prison while the structural failures at Barings that allowed him to control both the trading and the settlement of his own positions were institutional, not personal.

This asymmetry sends a precise message throughout the industry, and the message is not about the dangers of unauthorized trading. It is about who absorbs the cost when things go wrong. As long as the upside flows to individuals through bonuses and promotions while the downside is socialized across shareholders, the rational move for everyone in the chain is to keep the desk running and look away from the warning signs.

What Rogue Really Means

The word rogue does an enormous amount of work in these stories. It implies aberration, an anomaly, something that originated outside the system rather than something the system manufactured. That framing is convenient for the institution because it converts a structural failure into a moral one.

Consider what these traders actually do. They take positions larger than their authorized limits. They book fictitious trades to disguise real exposure. They effectively keep two sets of records to mask what is happening on the desk. These are serious offenses, and no honest analysis pretends otherwise. But the infrastructure that allowed the behavior to persist for years is not a story about one person’s moral failings. It is a story about a system that was structurally engineered to reward exactly this conduct, right up until the moment it could not absorb the downside.

Adoboli himself made this argument during his trial. He contended that his behavior, while unauthorized, was consistent with the culture of his desk and the expectations of his managers. The court did not find that argument sufficient to acquit him, nor should the existence of a permissive culture excuse fraud. But the argument is persuasive enough to make us question whether rogue is really the correct word for someone doing precisely what the system incentivized him to do.

The most striking detail is the compensation mismatch. Adoboli started at UBS on a base salary of around 40,000 pounds, and even at his peak he earned a fraction of what senior management collected. The person taking the most risk was among the least rewarded in the chain.

What Actually Needs to Change

If the financial industry is serious about preventing the next collapse, the conversation has to move beyond better surveillance software and tighter position limits. Those tools matter, but they are treatments for symptoms, not the disease. The reforms that would genuinely change the outcome all target the incentive and accountability structure directly.

Deferred and clawback compensation. Bonuses tied to multi year performance that can be reclaimed if losses surface later force traders and managers to share in the long term consequences of their decisions.
Personal liability for senior leadership. When controls fail, the executives who set the risk appetite and approved the limits should face consequences proportional to those imposed on the trader.
A culture that rewards skepticism. Questioning a profitable trade must be treated as diligence rather than as an attack on a revenue generating colleague.
Enforced separation of duties. No individual should ever control both the execution and the recording of his own positions, the precise gap that enabled multiple historic blowups.

Some banks have moved in this direction since 2011, partly under regulatory pressure. Progress has been slow, and the reason is uncomfortable. The people who would need to approve these changes are the same people who benefit most from the current arrangement. Asking executives to dismantle a structure that pays them handsomely is asking a great deal.

The Next Rogue Trader Has Already Been Hired

So the cycle continues. Somewhere right now, inside a major bank, a trader is taking positions that push the edge of what is authorized. His desk is profitable. His managers are pleased. The compliance team has flagged a few anomalies, but nothing serious enough to justify disrupting a revenue generating operation. Everyone is comfortable.

The thermostat is working fine. The next rogue trader has almost certainly already been hired. He simply has not lost yet. And until banks stop rewarding the exact behavior they claim to prevent, the headline you read a few years from now will look remarkably like the ones you have read before.

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