{
  "schemaVersion": "vultax-public-research-data-v1",
  "articleUrl": "https://vultax.com/research/world-series-2026-odds-polymarket",
  "datasets": [
    {
      "title": "The favourite at each stage",
      "columns": [
        {
          "name": "Season",
          "unit": null
        },
        {
          "name": "Favourite at the start",
          "unit": null
        },
        {
          "name": "Favourite before Game 1",
          "unit": null
        },
        {
          "name": "Champion",
          "unit": null
        }
      ],
      "rows": [
        [
          "2024",
          "Dodgers 20.0%",
          "Dodgers 54.0%",
          "Dodgers"
        ],
        [
          "2025",
          "Dodgers 24.0%",
          "Dodgers 69.0%",
          "Dodgers"
        ],
        [
          "2026",
          "Dodgers 27.0%",
          "Brewers 62.1%, 20 Oct",
          "Not decided"
        ]
      ],
      "measurementContext": "The start is the market's third day of prices: 30 August 2024, 1 March 2025 and 24 January 2026. Before Game 1 is 22:00 UTC on the day of the opener; for 2026, 12:00 UTC on 20 October 2026.",
      "sources": [
        {
          "label": "Polymarket — MLB World Series Champion 2026",
          "url": "https://polymarket.com/event/mlb-world-series-champion-2026",
          "note": "Prices read at 12:00 UTC on 20 October 2026 and at 13:00 UTC on 19 October 2026."
        },
        {
          "label": "Polymarket — MLB: 2026 American League Champion",
          "url": "https://polymarket.com/event/mlb-2026-american-league-champion",
          "note": "Pennant prices at 13:00 UTC on 19 October 2026, before Game 6, used for the head-to-head estimate."
        },
        {
          "label": "Polymarket — World Series Champion 2025",
          "url": "https://polymarket.com/event/world-series-champion-2025",
          "note": "Settled 2 November 2025."
        },
        {
          "label": "Polymarket — World Series Champion 2024",
          "url": "https://polymarket.com/event/world-series-champion-2024",
          "note": "Settled 31 October 2024."
        },
        {
          "label": "Polymarket API — price history",
          "url": "https://docs.polymarket.com/",
          "note": "Minute and daily Yes prices from the CLOB API. Vultax computed the readings."
        },
        {
          "label": "Wikipedia — 2025 World Series",
          "url": "https://en.wikipedia.org/wiki/2025_World_Series",
          "note": "Game dates and results."
        },
        {
          "label": "CBS Sports — Rays advance to the World Series to face the Brewers",
          "url": "https://www.cbssports.com/mlb/news/rays-guardians-score-live-updates-alcs-game-6/live/",
          "note": "19 October 2026: the Rays won Game 6 7–3 at Tropicana Field; their pennants of 2008 and 2020; neither team has won a World Series."
        },
        {
          "label": "Bleacher Report — Brewers set to host Game 1 of the World Series",
          "url": "https://bleacherreport.com/articles/25512065-bucks-change-scheduled-tipoff-time-vs-bulls-brewers-set-host-game-1-world-series",
          "note": "16 October 2026: Game 1 on 23 October in Milwaukee."
        },
        {
          "label": "NBC New York — Brewers' history in World Series",
          "url": "https://www.nbcnewyork.com/mlb/milwaukee-brewers-world-series-history/6560027/",
          "note": "The 4–0 NLCS sweep, the 1982 appearance and the 23 October start."
        }
      ],
      "measurement": {
        "kind": "observed",
        "temporalCoverage": "2024-08-29/2026-10-20",
        "population": "Polymarket's World Series champion markets for 2024, 2025 and 2026",
        "methodology": "Daily and minute price-history values at the stated times."
      },
      "id": "favourites-table",
      "kind": "published-table",
      "description": "The Milwaukee Brewers are 62.1% to beat the Tampa Bay Rays in the 2026 World Series on Polymarket, against 2.2% on 1 February. The Dodgers led the market on 264 of its 271 days and were swept. In 2025 the Dodgers fell to 10.5% in Game 7 and won.",
      "articleUrl": "https://vultax.com/research/world-series-2026-odds-polymarket",
      "sectionUrl": "https://vultax.com/research/world-series-2026-odds-polymarket#favourites",
      "publishedAt": "2026-10-21",
      "modifiedAt": "2026-10-21",
      "version": "bd34e69057318480e7daa0097a2d4a487b7e5d1a11a5e7f934a3b800c0a6261d",
      "isLive": false,
      "limitations": "Published research snapshots and calculations; these exports do not contain current quotes or live account data. Observation windows and populations are stated in the source captions and methodology. Missing metadata is unknown, not zero. A reading of public market prices at the stated times, not a forecast by Vultax and not advice to trade.",
      "downloads": {
        "json": "https://vultax.com/research/world-series-2026-odds-polymarket/data.json?dataset=favourites-table",
        "csv": "https://vultax.com/research/world-series-2026-odds-polymarket/data.csv?dataset=favourites-table"
      }
    }
  ]
}