Vanguard CEO warns about lack of knowledge surrounding prediction markets

With the recent rapid rise in popularity of prediction markets, the Vanguard CEO voices his concerns on exploitation risks.
Author: Jack Campion | Fact checker: Lucy Wynne · Updated: ·
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Salim Ramji, the CEO of Vanguard, has sounded a stern warning that prediction markets are increasingly becoming "a form of financial exploitation". But is this controversy arising in an effort to steer people towards investing instead of genuine concern? BonusFinder, an online casino bonus review site, explores the controversy.

The senior figure at the world's second-largest asset management firm made the comments in front of an audience at the Economic Club of New York.

He also stressed that there is a "really important distinction between investing and gambling".

Trading vs gambling

Ramji's sharp critique of platforms such as Kalshi and Polymarket is a continuation of the cold approach from traditional asset management houses toward the emerging, event-based trading sector.

These platforms are growing in prominence and quantity, but the commentary from influential voices such as Vanguard's Ramji tells us something else.

They are objecting to the 'get rich quick' lure from prediction markets, which presents speculation as a form of empowerment.

Ramji believes this concept is misleading.

The 55-year-old former BlackRock executive highlighted that many users are drawn to the new platforms under the allure of a fast track to financial security, rather than the high-risk, zero-sum gamble that they often represent.

Salim Ramji made the point that the prediction market industry is commodifying its platforms, encouraging user engagement rather than doing what's best for users to achieve better outcomes.

Essentially, the contrast is repeated engagement and contributions against the established asset practice of accumulating wealth long-term over time.

"You have too many platforms out there that are focused on engagement, and not focused on outcomes", he said.

"You have too many people in the industry out there that are representing speculation as a form of empowerment. Really, we see this as a form of financial exploitation."

Ramji clarifies that prediction markets aren't inherently 'bad'

Conversely, Ramji did not call for prediction markets to be outlawed or completely eradicated.

He urged caution when informing the Economic Club event that one-third of the Gen Z demographic had either invested in prediction platforms or had considered the activity.

"On some level, if someone wants to do that with their fun money as entertainment, OK. The problem is when you ask why someone is doing that and they're doing it because they think this is a fast path to financial security."

Prediction market controversy

The wider risks and controversy around prediction markets aren't far from the surface, including the following examples.

A US special forces soldier is said to have made $400,000 on the removal of Venezuelan President Nicolás Maduro.

Gannon Ken Van Dyke has pleaded not guilty to charges of using classified information to profit, but the US Government has made the case that he placed the trades on Polymarket.

In France, the national weather forecasting service filed complaints with the police after interference with its temperature gauges at Paris Charles de Gaulle Airport.

This coincided with a raft of well-timed contracts being placed on Polymarket regarding temperature rises in the French capital.

The Financial Times also reported on increased activity around the US military action in Iran, with some rather large and well-timed bets landing on the prediction platforms.

The solution, according to Ramji

Interestingly, Vanguard's Ramji spoke about how the traditional asset houses can best respond to the current situation.

Instead of going all out in attack against the prediction platforms, he heralded the merits of long-term investment, defending the strengths of the established financial industry.

He wants further portfolio diversification to attract retail investors, while being mindful of reputational risk.

"The tension you have in the system right now is that you have a lot of people who have an incentive, because that's their business model, to try and tell people the opposite.

"We're a vocal force in being able to draw a distinction between investing and gambling, but as those lines get blurrier, I think it can certainly do harm to the investors – but also harm to faith in the system."

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Jack has worked in online gambling since 2022, first as a copywriter for a casino operator before joining BonusFinder as a casino editor in 2025. He tests every casino hands-on, from sign-up to withdrawal, and draws on direct industry experience to explain how bonuses, game mechanics, and platform terms actually work in practice.
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