The Securities and Exchange Commission is pumping the brakes on a wave of exchange-traded funds that would give retail investors direct exposure to prediction market contracts — products that allow users to place binary bets on whether specific events, from election outcomes to recession scenarios, will occur.
SEC Chairman Paul Atkins confirmed May 20 that he has instructed agency staff to seek public input before the commission takes any further action on so-called event contract ETFs, a category that spans political forecasting, macroeconomic projections and sector-level labor data. Fund sponsors have agreed to voluntarily delay the effectiveness of their filings while the review is underway.
"Novel products raise novel questions, and I appreciate the willingness fund sponsors have shown in delaying the effectiveness of a number of novel ETFs, including event contract ETFs, while we consider the implications," Atkins said in a statement published by the SEC on Wednesday.
The delay affects approximately 24 ETFs from issuers including Bitwise Investments, Roundhill Investments and GraniteShares, according to earlier reports. The filings, submitted in February, had been approaching the end of a standard 75-day review window when the commission intervened. No timeline was given for the public comment process.
As noted by Bloomberg, the ETF structure has absorbed a series of once-unconventional strategies over the past decade – from volatility futures to, more recently, spot Bitcoin and Ethereum – with each expansion testing the limits of what the fund wrapper can accommodate. Prediction market ETFs are the latest frontier, and they differ meaningfully from anything the commission has previously approved.
The underlying instruments – event contracts offered by platforms such as Polymarket and Kalshi – function as yes-or-no bets on the probability of a specific outcome. Investors win or lose based entirely on whether a defined event occurs. Fund filings from Bitwise warned that investors could lose "substantially all" of their investment if the outcome goes against them, reflecting the distinct risks of prediction markets compared to long-only equity or fixed-income funds.
According to The Block, a crypto news outlet, Polymarket and Kalshi collectively surpassed $25 billion in monthly trading volume in April, fueled in part by regulatory support from federal agencies.
Currently, accessing those markets still requires dedicated accounts. An ETF wrapper would drop these contracts into standard brokerage accounts, dramatically widening their reach.
The proposed funds included exposure to the 2028 U.S. presidential election, whether the country will enter a recession in 2026, and whether tech-sector layoffs will be higher or lower than 2025. Roundhill's six proposed funds would have been tied to presidential, Senate and House races. GraniteShares filed similar offerings, while Bitwise submitted products under the PredictionShares brand spanning both political and macroeconomic outcomes.
The intervention is notable in part because of who is making it. Atkins has governed with a markedly different philosophy than his predecessor, Gary Gensler, who publicly warned about the risks of complex exchange-traded products as far back as October 2021. Under Gensler, several product proposals stalled without formal rejection, and the commission's posture was widely described by industry participants as one of default skepticism.
Atkins has moved quickly in other areas of financial innovation. His commission dropped a series of crypto enforcement actions, approved multiple crypto-linked ETFs and signaled broad openness to blockchain-based financial products since he took the agency's helm.
"The SEC is obviously not fully comfortable with these [event contract ETF] filings – or at least not comfortable with opening Pandora's box to all of what prediction markets offer," said James Seyffart, an ETF analyst at Bloomberg Intelligence. "I suspect they will be looking for a way to draw a line."
Bloomberg Senior ETF Analyst Eric Balchunas made a similar observation in a post on X. "The commission is clearly wrestling with these and wants more time and input," Balchunas wrote. "These are a whole new thing (kinda like crypto) and want to feel comfortable [before] they open the barn door."
Read more: Prediction markets on track for $1 trillion by 2030, but sports betting stirs legal storm
For advisors tracking the evolution of the ETF marketplace, the short-term implication is straightforward: these products are not launching soon, and there is no guarantee they launch at all in their current form. The public comment process could produce evidence supporting tighter restrictions, just as easily as it could build a framework that permits them.
The longer-term question is more nuanced. If the commission ultimately approves a version of event contract ETFs, financial advisors will face a product that requires careful positioning – one whose risk disclosures include the possibility of total loss, and whose underlying mechanics differ fundamentally from any fund structure currently in standard use.
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