{
  "id": 10495470,
  "title": "Polymarket adds 15-minute Bitcoin markets to US app",
  "url": "https://urgent.news/2026/09/28/polymarket-adds-15-minute-bitcoin-markets-to-us-app",
  "topic": "finance",
  "section": "Finance & Markets",
  "published": "2026-09-28T16:25:20.000Z",
  "source": {
    "name": "Arabian Post",
    "slug": "arabian-post",
    "url": "https://thearabianpost.com/polymarket-adds-15-minute-bitcoin-markets-to-us-app/"
  },
  "original_language": "en",
  "account": "Polymarket has introduced 15-minute Bitcoin price markets to its US app, offering users a novel way to trade on whether the cryptocurrency's value will rise or fall within 15-minute intervals. These contracts, denoted as \"BTC Up or Down: 15 min,\" are settled based on whether a specified Bitcoin reference price at the end of each 15-minute period is equal to or greater than its initial level. The settlement is determined by the CF Benchmarks' Bitcoin Real-Time Index (BRTI), rather than the price from a single exchange. The BRTI is calculated by averaging 60 observations from the final minute before the specified time, rounded to two decimal places. On the first day of listing, a 15-minute contract covering the 9:45 am to 10 am Eastern Time window had a price to beat of $83,711.14. The US platform, separate from the international Polymarket.com, requires US residents to use the Polymarket US app rather than the global website. This new offering, within the US's unique regulatory framework, allows traders to capitalize on even minor price shifts, as a small dollar move in a Bitcoin trading above $80,000 can decide the outcome.",
  "summary": "Polymarket has added 15-minute Bitcoin price markets to its US app, giving users a new way to trade contracts tied to whether the cryptocurrency rises or falls during successive quarter-hour windows. The contracts, listed as “BTC Up or Down: 15 min”, settle according to whether a specified Bitcoin reference price at the end of each 15-minute interval is greater than or equal to its level at the…",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}