Osasuna, via Howden, denied a $591,600 Kalshi hedge after losing 1-0 to Getafe

A Spanish soccer club just watched its relegation hedging story explode into a live controversy, right as the numbers got real. Club Atlético Osasuna denied placing bets on Kalshi, even though activity on the Kalshi prediction market tied to whether Osasuna would be relegated totaled $591,600 across nearly 3.5 million contracts. And then Osasuna lost 1-0 to Getafe anyway, with relegation ultimately avoided because clubs below them failed to accumulate enough points to overtake Osasuna.

Here is the key timeline, straight from the reporting. Osasuna was scheduled to play Getafe on May 23 in LaLiga, Spain’s top professional league. Fortune reports Semafor traced the uproar to a Kalshi contract that invited bettors to wager on whether Osasuna would be relegated from LaLiga in the 2025-2026 season. The market’s volume then surged, reaching nearly 3.5 million contracts purchased and $591,600 in total value, fueling rumors that Osasuna helped drive the trading. Osasuna responded with a Spanish-language statement telling Fortune: “Osasuna did not place any bets on the Kalshi platform, did not participate in any prediction markets, and had no direct relationship whatsoever with Kalshi… or any other similar entity.”

So what was actually happening? Osasuna says it did not directly bet on Kalshi. Instead, it confirmed it had taken out a €1.2 million relegation risk policy with Howden, an international insurance company. As part of the club’s efforts to quell the controversy, Osasuna released documents showing its agreement with Howden, and that LaLiga had been informed of the arrangement. In other words, the club is positioning this as familiar sports finance, not a new kind of match-fixing scheme.

Kalshi’s side adds an important twist, and it matters because it changes who might be exposed, and how. In response to a request for comment, a Kalshi spokesperson told Fortune that “press on this has been inaccurate - clubs have been purchasing relegation insurance for decades. That's also what happened here: Osasuna bought insurance from a broker. The broker offloaded the risk (ie. re-insured)… via Kalshi. They traditionally do it via re-insurers, but they did it via Kalshi because pricing was better.” That explanation, if taken at face value, supports Osasuna’s “no direct relationship” claim, while still describing Howden as the agent acting on Osasuna’s behalf that entered a relationship that could connect to Kalshi’s market.

Howden did not reply to Fortune’s request for comment on whether it specifically placed the wager. The distinction is subtle, but crucial for executives trying to understand second-order risk: it suggests that even if a team never touches a prediction market, the market can still become the plumbing for hedges arranged through insurance and re-insurance structures. And that is not science fiction. Fortune cites Karl Lockhart, a DePaul University law professor specialized in prediction markets, saying insurance contracts are commonplace among teams and players to insure against adverse events. “Players might take out insurance policies on themselves, even on specific things like certain body parts,” he said, describing how insurers write policies based on customers coming in with risk they want covered.

The episode also lands at a moment when prediction markets are no longer niche side quests. Fortune notes the explosive growth of prediction markets like Kalshi and Polymarket, and frames them as tools that major sports leagues increasingly use to drive new revenue, enhance fan engagement, and tap into real-time crowd-sourced probability data. The Osasuna controversy raises the question of whether prediction markets can function as something closer to insurance, and whether that creates incentives that look uncomfortable to fans and regulators. The underlying legal dynamics are nuanced. Lockhart points out the idea of hedging against outcomes that could trigger financial upside, calling it “inimical to what we want in sports,” even though he argues a form of hedging could be technically possible.

If executives are thinking “so is this like tanking?”, the answer is: it’s different. Sports teams intentionally losing matches is hardly unprecedented in the United States, where “tanking” is widely recognized as a strategy to finish poorly to improve draft position. But Fortune is careful to separate draft-pick incentives from direct financial wagering incentives. Placing wagers to reap direct economic benefits rather than draft order is a different matter, and it raises sharper questions about whether teams could be tempted to engineer outcomes for hedges.

Then comes the regulatory kicker. Three days after Osasuna lost to Getafe, Spain’s Ministry of Social Rights, Consumer Affairs and 2030 Agenda opened disciplinary actions against Kalshi and Polymarket for operating without a license in Spain. The ministry also ordered a temporary block to their websites nationwide as a precautionary measure until a final resolution is reached. A spokesperson told Fortune that Kalshi’s block was unrelated to the Osasuna controversy, explaining in a Spanish-language statement that the start of the investigation phase predates the Osasuna situation and that the two matters are entirely unrelated. The ministry also clarified that the block was not a targeted one-off against Kalshi; blocking orders are issued monthly to Spain’s major internet providers, and the prediction market platform was included as part of that standard process.

For boards and dealmakers, this is the part to underline. The Osasuna case suggests the prediction market ecosystem can become part of the risk-transfer loop even when the club denies direct participation, and even when the end result is relegation risk that never pays out. For companies considering whether to build or partner with prediction-market infrastructure, the strategic stake is bigger than one controversy. It’s whether regulators treat these markets as ordinary gambling activity, financial instrumentation, or something in between, and whether the “pricing is better” pathway through brokers and re-insurers creates compliance, disclosure, and reputational exposure that moves faster than internal governance.