By: KarenZ, Foresight News
On May 23rd, Osasuna lost the match but avoided relegation from La Liga.
In the 38th and final round of the 2025-2026 Spanish Primera División season, Osasuna lost 0:1 to Getafe away. According to the club's own post-match announcement, they remained in La Liga because the draw between Elche and Girona meant the final standings ended in their favor. Osasuna will spend their eighth consecutive season in Spain's top-flight league.
Two weeks later, another financial page of this relegation battle was revealed: Osasuna officially admitted that the club had purchased relegation risk insurance through the insurance brokerage Howden, paying a premium of 1.2 million euros; if they were actually relegated, they would receive a payout of 6 million euros.
Another Ledger on Relegation Night
What truly propelled the incident into the center of the prediction market controversy was another link in the chain reported by the media.
On June 4th, according to an exclusive report by Semafor, a related party of an unnamed Spanish club placed a bet of over $1 million on the prediction market platform Kalshi, wagering that they themselves would *not* win a crucial match at the season's end. The transaction path involved intermediaries such as Game Point Capital and Greenlight Commodities. The counterparty was reportedly the quantitative trading firm Susquehanna, which profited over $1 million.
On June 8th, Osasuna issued an official statement confirming the purchase of relegation insurance but emphasized the club's involvement was "strictly limited" to purchasing coverage from Howden. The same day, Protos linked the anonymous club in Semafor's report to Osasuna, while also noting that Osasuna's official documents only mentioned Howden, with no mention of Kalshi, Susquehanna, Game Point Capital, or Greenlight.
A more precise summary is: Osasuna confirmed buying relegation insurance; Semafor first reported that an anonymous La Liga team hedged relegation risk via Kalshi; Protos later linked the two, suggesting that club was Osasuna, though the full details of the transaction chain have not been officially confirmed by the club.
A relegation battle on the pitch, an insurance policy in the club statement, and an event contract about relegation risk in media reports. It is the overlap of these three narratives that makes the story so glaring.
Relegation Can Also Be Financialized
The fear of relegation among football clubs is nothing new.
Relegation takes away broadcast revenue, matchday income, sponsorship leverage, and player valuations. For small and medium-sized clubs, it's not just a single loss, but a downward spiral for their entire business model.
Osasuna's official explanation is also quite measured: purchasing coverage through Howden, a premium of 1.2 million euros, with a payout of 6 million euros upon relegation; La Liga was informed, and the club's auditors and the chairman of the control committee were notified.
What makes the matter particularly sharp is the unconfirmed transaction chain reported in the media.
According to Semafor's report, the related transaction chain featured several roles familiar to Wall Street: the sports insurance broker Game Point Capital managing risk for the team, Greenlight Commodities (originally a firm focused on renewable energy credits) facilitating institutional access to prediction markets, and the quantitative trading firm Susquehanna willing to take on the counterparty risk.
Game Point Capital CEO Will Hall told Semafor they wanted to see how prediction markets handle such "large, binary outcome" risks.
This is both the most fascinating and the most dangerous aspect of prediction markets. They can turn the world's uncertainties into prices. Wars, elections, interest rates, sports matches, weather, policy votes—all can be placed into a "yes or no" box. Proponents say it's more honest than pundits and faster than polls; critics see a different picture: real-world anxieties sliced into chips, information advantages turned into profits.
The Osasuna case is especially sensitive because the underlying asset is not oil prices, exchange rates, or some distant macroeconomic indicator, but whether a team falls from La Liga.
Players strive on the pitch, fans pray in the stands, while another group calculates how much that relegation is worth.
It touches on the core issues of prediction markets: when real-world events are financialized, who can trade, who possesses information, and who has the capacity to influence outcomes?
More difficult questions also emerge: How should the compliance of team insiders betting against their own team or buying positions linked to adverse outcomes for themselves be assessed? Even if the trade is packaged as insurance or hedging, as long as the underlying asset directly ties to match results and relegation fate, the market is unlikely to view it as a purely financial instrument.
When Prediction Markets Collide with Regulation
On May 26th, just three days after Osasuna secured safety, Spain's Ministry of Social Rights, Consumer Affairs and 2030 Agenda initiated sanctioning procedures against Polymarket and Kalshi, ordering the temporary blocking of the two platforms' websites in Spain as a precautionary measure pending final rulings in the cases.
The explanation from Spain's General Directorate for the Regulation of Gambling (DGOJ) is straightforward: prediction markets allow users to buy and sell shares related to future event outcomes, with prices reflecting the probability of different outcomes; under Spanish regulatory interpretation, this type of trading on uncertain future outcomes is considered to have a gambling nature, thus requiring specific administrative authorization to operate locally. The announcement also mentioned the process is expected to take 3 to 4 months.
Kalshi's status in the US is entirely different. It emphasizes being regulated by the CFTC as a Designated Contract Market, trading event contracts.
Interestingly, professional football is not just passively involved with prediction markets. In April 2026, La Liga proudly announced a multi-year cooperation agreement with Polymarket, making Polymarket its "official predictions partner" in the US and Canada. In May, Serie A USA also announced a multi-year regional partnership with Polymarket, making Polymarket the official and exclusive prediction market partner of Serie A in the United States.
At the same table, it's called a financial market in the US, and seen as unlicensed gambling in Spain and many other places. This identity fracture is the central conflict in the expansion of prediction markets.
The Web3 circle is no stranger to such grey zones. Polymarket pushed prediction markets into the mainstream spotlight during the US elections. Many began to believe market prices could reveal the truth earlier than experts.
But the Osasuna incident pushes the issue a step further. Prediction markets are no longer just a way for retail users to observe the world; they are beginning to approach institutional risk management. When insurance brokers, sports advisors, intermediaries, and quantitative trading firms appear together, it's no longer just about "users placing bets."
This might be the moment prediction markets truly grow up, and also the moment they most need constraints.
If they are to become financial infrastructure, they must answer the oldest questions of financial markets: who can trade, who possesses insider information, who has the capacity to influence outcomes, and who is responsible for market integrity.
The sports field is especially tricky because match outcomes don't stem from natural laws, but from people. Players, coaches, management, referees, injuries, tactics, and psychological pressure can all alter the result.
