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Odaily reports that prediction market provider Polymarket submitted a self-certification document to the U.S. Commodity Futures Trading Commission (CFTC) on Wednesday, applying to list parlay trading for sports event contracts in the U.S.—that is, multi-condition combination prediction contracts. Polymarket stated that this product consists of two or more underlying sports event contracts, and only if all specified sub-event outcomes are met will the contract settle at $1; otherwise, it settles at zero. The document shows that the listing date will be no earlier than May 21, 2026. Another document indicates that, due to the involvement of trade secrets, Polymarket has requested that the CFTC keep the related exhibits confidential.

Data released by South Korea's customs on Thursday showed that, after adjusting for differences in working days, exports surged by 52.6% year-on-year from May 1st to 20th, outpacing the 49.4% growth recorded during the same period in April. On an unadjusted basis, exports jumped by 64.8% year-on-year while imports increased by 29.3%, resulting in a trade surplus of $11 billion. The data indicates that supported by sustained demand for chips related to artificial intelligence and data centers, South Korea's export engine remains robust. These figures further confirm the ongoing dominance of the semiconductor industry in driving South Korea's economic growth, even as other areas of the economy face increasingly severe challenges. Chip exports once again led the way, soaring by 202.1% year-on-year; computer-related product exports surged by 305.5%, highlighting the unabated investment fervor in artificial intelligence. Boosted by rising international crude oil prices, refined oil product exports also climbed, aiding overall export growth, while exports of automobiles and home appliances were comparatively weak.

BlockBeats news, on May 21, according to Bitget market data, the Korean KOSPI index surged 5.00% today, currently reported at 7573.86 points.