{"id":"tp-24995","type":"article-newspaper","title":"Polymarket U.S. App Offers 15-Minute Bitcoin Up-or-Down Market","author":"Enna Lee","publisher":"TOKENPOST Inc.","url":"https://www.tokenpost.com/news/investing/24995","datePublished":"2026-09-28T16:06:30.000Z","dateModified":"2026-09-28T16:06:30.000Z","language":"en","abstract":"The market lets millions of users trade on whether Bitcoin will rise or fall during each 15-minute period.","section":"Investing","references":[]}