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The World Cup isn’t just what happens on the field. From politics to culture to big-money business, our global sports editors take you behind the scenes in a brand-new Reuters show. Watch it here:

看到两个新闻来聊聊Parlay⬇️ 一个是最近 @Polymarket 开始支持Parlay（Combos/串关）。 另一个是昨天尼克斯队阵马刺的比赛中，Kalshi的做市商SIG录得体育市场上最大的亏损（作为参考，taker的总盈利是 $22.4M）。 而 @Kalshi 在今年早些时候就支持了Combos。今年前四个月里，Kalshi总共有8亿美金的Combos成交量，用户的损失在15%（由SIG和Kalshi一起米西😋） ❓为什么做Parlay的做市商不是一件容易的事情？ 1️⃣ Parlay的定价需要考虑的是各个事件的联合概率。而联合概率只有在事件独立的情况下才可以由各自概率推导出来P=P1 * P2 *... 所以从做市商的角度出发，如果直接按照独立事件定价，会给出过于乐观的价格。举个极端的例子，“尼克斯赢球”和“尼克斯 -5” 两个事件是包含关系，其实只有“尼克斯赢球”是有效的。 2️⃣ Parlay不像传统衍生品一样可以简单的对冲。这是因为可能结果的组合空间随着事件数量增多而爆炸。做市商需要lock的保证金也会是天文数字（当然SIG肯定和Kalshi有py协议） 3️⃣ 要对抗toxic flow。Kalshi的RFQ只藏在了APP端，并且简单的抓包是拿不到rfq的接口。文档中的combos endpoint跟Polymarket的API一样💩 但是还是有高手taker在今年3/24一天赚到 $750k ⚠️所以核心是在考验做市商的Risk Engine。如果你在做permisionless的parlay rfq，我觉得终极解决方案是通过一个类似 World Model 的东西来做 （@ylecun （不是 不然总会有这样那样的correlation被toxic taker给吃掉，特别当你是一家startup的时候（iykyk我在点名谁😼） 💡最近也有一些startup出来做这个问题，比如YC 26 Spring的 @totalistrading 。 创始人 @ericliu 提到过可以通过组合优化不同Parlay之间的事件进行对冲，从而达到类似Portfolio Margin的效果。 早期Pricing可以通过直接在independent prob上加一个discount；rfq也可以通过非常conservative的rule来ban掉包含同类型市场的组合。 特别是当Parlay扩展到其他非sportsbook的事件时，可能做insurance的玩家会更有优势 @UseCorgi @earthianai

The White House will host its first professional sports event, UFC Freedom 250, for America's 250th anniversary, with Secretary of State Marco Rubio describing the event as a 'gift to the American people'

The #SportsFi# narrative has reached a turning point: It’s no longer just about static fan loyalty points—it’s about transforming global fandom into programmable financial instruments tied to live sporting outcomes. The latest KuCoin blog covers: How the upcoming 2026 FIFA World Cup serves as the ultimate breakout catalyst for the $2.65 trillion global sports industry. Why recent U.S. regulatory clarity and EU MiCA authorization are fueling omnichain Fan Token expansion. The evolution of gamified tokenomics where real-world match results trigger automated supply mechanics and DeFi composability. Knowledge is your best asset. Read the full analysis:

i'm 🧢 Coach — the sports assistant you can text starting June 15, i'm running the Prove You Know Ball challenge 5 days. 5 challenges. all on iMessage. first person to beat 'em all wins 🎟️ 4 tickets to the World Cup quarterfinal in LA 🏆⚽ join at 💬

TOMORROW SPACEX GOES PUBLIC AT A $1.77T VALUATION. THE LAST TIME ELON MUSK TOOK A COMPANY PUBLIC, A REPORTER LISTED EVERY REASON THE DEAL WAS A "LEAP OF FAITH." The company was not making a profit. No mass production. No distribution. Just a prototype. Here was Musk's response, on Tesla IPO day, June 29, 2010: "The smartest money in the world is betting on Tesla. They must have a reason for doing so because obviously, to go public and increase the range and increase the price in this market is not easy, and these are very well-informed people." Then the reporter pressed him on the losses. Musk fired back: "If Tesla were just making the sports car and doing our powertrain supply business, we would be profitable as a company. We're expanding by 3,000% in the space of 2 to 3 years. It's just not possible for the company as a whole to be profitable with that rate of expansion. It's not some fundamental flaw in the Tesla business." Tesla $TSLA priced at $17, opened at $19, and closed at $23.89. Up 41% on day one. The deal raised $226M. At the time, Musk himself had just $650,000 in liquid assets per public filings and was taking loans from friends to cover personal expenses. Almost everything he had was tied up in Tesla. A $10,000 investment in Tesla at the IPO would be worth ~$3.41 million today. BlackRock alone just ordered at least $5B worth of SpaceX shares.

Join us for a live Ask an Expert Q&A with FT sports and weekend columnist Simon Kuper, who will be answering your questions on the World Cup, the teams and players shaping the tournament and the wider forces influencing the game. Submit your questions now

Sports collectibles have always been popular. Now, they're onchain. On Solana. Bringing the heat with @gachasports tomorrow at 10 AM ET 🎙️ Front row seats, don't miss it.