Polymarket’s annual revenue exceeded US$1.8 billion, and US exchanges became the main growth engine. The World Cup and NFL season have driven transactions, and combined contracts similar to sports betting collusion accounted for more than 70% of the platform’s trading volume on the most recent Sunday. (Previous summary: Polymarket seeks US$1 billion in new financing! The valuation is US$20 billion, and annualized revenue has tripled to exceed 1.2 billion mg) (Background supplement: Polymarket announced its return to the United States: it was approved by the CFTC to operate an intermediary trading platform as a "designated contract market") The prediction market platform Polymarket revealed to CNBC that annualized revenue has exceeded US$1.8 billion. A CNBC report published at 9 pm on November 10th, Taipei time, pointed out that the growth mainly comes from the US exchange that went online in May this year, and sports events and combined contracts continue to boost trading activities. In June of this year, Polymarket disclosed annualized revenue of just over $1 billion. This indicator is a full-year scale calculated based on recent revenue rates, not the full annual revenue achieved; the latest figures show that U.S. business expansion is increasing the company's revenue scale. U.S. exchanges accounted for more than $14.5 billion in transaction volume in October Polymarket’s U.S. exchange operates separately from its decentralized finance platform for international users. Citing data from analytics platform TickerTracker, CNBC pointed out that U.S. exchange transaction volume exceeded $14.5 billion in October, compared with $4 billion in June. This wave of growth has benefited from the FIFA World Cup in the summer and the start of the American Professional Football League (NFL) season in September. Large-scale events continue to appear one after another, making sports event contracts an important source of transactions for U.S. exchanges. Combination contracts accounted for more than 70% of transactions on Sunday. It is not only the event itself that drives transactions, but also the product gameplay. CNBC pointed out that the increasingly popular Combo event contracts accounted for more than 70% of the platform’s trading volume on a recent Sunday. This type of contract combines the results of multiple events, and its operation method is close to the multiple links of sports betting. Users no longer only trade a single result, but can express combined judgments of multiple conditions at once; the proportion of transactions in combined contracts also makes sports trading a more prominent protagonist in this round of growth of Polymarket. As revenue expands, advertising and user access face investigation. The other side of revenue growth is regulatory pressure. CNBC reported that the U.S. Commodity Futures Trading Commission (CFTC) is launching a broad investigation into Polymarket, involving advertising practices and whether the company violated settlement agreements in the past by allowing U.S. residents to access its international trading platform. Polymarket previously told CNBC it was willing to work with lawmakers as they learn about the prediction markets industry. U.S. exchanges have become revenue growth engines. How to attract customers and differentiate users from U.S. and international platforms is an operational responsibility that must be borne while expanding this business. Related reports Polymarket submitted its “combination collusion contract” to the CFTC for certification! SEC Chairman Atkins is soliciting public opinions on prediction market ETFs. The NBA officially recognizes Kalshi and Polymarket as the preferred exchanges. The three major leagues have entered the prediction market. Polymarket has launched a new round of fundraising, with a valuation of 21 billion mg. The lead investor is Trump’s eldest son. The opening game of the World Cup! Polymarket's "Mexico vs. South Africa" ​​attracted more than 11 million magnesium trading volume, and the host country's winning rate exceeded 70%; Polymarket's annualized revenue exceeded US$1.8 billion! U.S. business boosts revenue, sports trading drives growth> This article was first published in BlockTempo, the most influential blockchain news media.