{
 "slug": "tennis",
 "topic": "Tennis",
 "category": "sports",
 "url": "https://polymarkettrader.com/odds/tennis/",
 "updated": "2026-09-24T17:11:27+00:00",
 "count": 4,
 "volume_24h": 4583.57,
 "polymarket_tags": [
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 "markets": [
  {
   "title": "ATP 2026 End of Year Rankings: Player to be Number 1",
   "url": "https://polymarkettrader.com/odds/atp-2026-end-of-year-rankings-player-to-be-number-1/",
   "polymarket_url": "https://polymarket.com/event/atp-2026-end-of-year-rankings-player-to-be-number-1-20260728190252631",
   "leader": "Alexander Zverev",
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   "volume_24h": 2215.26,
   "volume": 33435.3,
   "end_date": "2027-01-15T04:59:00+00:00"
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  {
   "title": "2026 Men’s US Open Winner (Tennis)",
   "url": "https://polymarkettrader.com/events/us-open-2026/",
   "polymarket_url": "https://polymarket.com/event/2026-mens-us-open-winner-tennis",
   "leader": "Casper Ruud",
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   "change_24h": null,
   "volume_24h": 1940.0,
   "volume": 26378802.47,
   "end_date": "2026-11-01T03:59:00+00:00"
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  {
   "title": "Will Novak Djokovic announce his retirement?",
   "url": "https://polymarket.com/event/will-novak-djokovic-announce-his-retirement-byptptpt-20260722162440703",
   "polymarket_url": "https://polymarket.com/event/will-novak-djokovic-announce-his-retirement-byptptpt-20260722162440703",
   "leader": "By December 31, 2026",
   "probability": 0.215,
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   "volume_24h": 248.22,
   "volume": 9668.59,
   "end_date": "2027-01-01T04:59:00+00:00"
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  {
   "title": "ATP 2026 End of Year Rankings: Player to Make Top 10",
   "url": "https://polymarket.com/event/atp-2026-end-of-year-rankings-player-to-make-top-10-20260728185850893",
   "polymarket_url": "https://polymarket.com/event/atp-2026-end-of-year-rankings-player-to-make-top-10-20260728185850893",
   "leader": "Ben Shelton",
   "probability": 0.965,
   "change_24h": null,
   "volume_24h": 180.09,
   "volume": 21388.56,
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 ],
 "license": "CC BY 4.0",
 "license_url": "https://creativecommons.org/licenses/by/4.0/",
 "attribution": {
  "required": true,
  "text": "Odds data: PolymarketTrader.com",
  "url": "https://polymarkettrader.com/odds/tennis/",
  "html": "<a href=\"https://polymarkettrader.com/odds/tennis/\">Odds data: PolymarketTrader.com</a>"
 },
 "source": "Polymarket public Gamma API; not affiliated with Polymarket."
}