{
  "@context": "https://agentflare.org/schema",
  "type": "Event",
  "tier": "L2-full",
  "title": "MLB World Series Champion 2026 — Live Odds & Analysis",
  "description": "The Brewers lead the Tampa Bay Rays in this event's market-implied odds. Each team has its own Yes market, which resolves to No if the team is eliminated. 2 markets, $47.51M volume on Polymarket.",
  "canonical": "https://agentflare.org/predictions/mlb-world-series-champion-2026.html",
  "category": "predictions",
  "updated": "2026-10-28",
  "generated_at": "2026-10-28T00:37:01.991Z",
  "facts": [
    {
      "label": "Total volume",
      "value": "$47.51M"
    },
    {
      "label": "24h volume",
      "value": "$1.50M"
    },
    {
      "label": "Markets",
      "value": "2"
    },
    {
      "label": "Leading",
      "value": "Milwaukee Brewers 93.7%"
    },
    {
      "label": "Ends",
      "value": "2026-10-31"
    }
  ],
  "data": {
    "event": "MLB World Series Champion 2026",
    "slug": "mlb-world-series-champion-2026",
    "generated_at": "2026-10-28T00:37:01.991Z",
    "volume_usd": 47505419.77150099,
    "volume_24h_usd": 1496860.2670000002,
    "end_date": "2026-10-31T23:55:00Z",
    "markets": [
      {
        "question": "Milwaukee Brewers",
        "odds": [
          {
            "outcome": "Yes",
            "prob": 0.937
          },
          {
            "outcome": "No",
            "prob": 0.063
          }
        ],
        "volume_usd": 2927590.967492
      },
      {
        "question": "Tampa Bay Rays",
        "odds": [
          {
            "outcome": "Yes",
            "prob": 0.0665
          },
          {
            "outcome": "No",
            "prob": 0.9335
          }
        ],
        "volume_usd": 2084401.0306760003
      }
    ],
    "leading_history": [
      {
        "t": "09-28",
        "v": 0.1605
      },
      {
        "t": "09-29",
        "v": 0.1705
      },
      {
        "t": "09-29",
        "v": 0.1595
      },
      {
        "t": "09-30",
        "v": 0.163
      },
      {
        "t": "09-30",
        "v": 0.1665
      },
      {
        "t": "10-01",
        "v": 0.169
      },
      {
        "t": "10-01",
        "v": 0.1605
      },
      {
        "t": "10-02",
        "v": 0.1705
      },
      {
        "t": "10-02",
        "v": 0.1715
      },
      {
        "t": "10-03",
        "v": 0.1715
      },
      {
        "t": "10-03",
        "v": 0.167
      },
      {
        "t": "10-04",
        "v": 0.164
      },
      {
        "t": "10-04",
        "v": 0.1985
      },
      {
        "t": "10-05",
        "v": 0.227
      },
      {
        "t": "10-05",
        "v": 0.2415
      },
      {
        "t": "10-06",
        "v": 0.2435
      },
      {
        "t": "10-06",
        "v": 0.263
      },
      {
        "t": "10-07",
        "v": 0.2325
      },
      {
        "t": "10-07",
        "v": 0.2035
      },
      {
        "t": "10-08",
        "v": 0.2115
      },
      {
        "t": "10-08",
        "v": 0.238
      },
      {
        "t": "10-09",
        "v": 0.2325
      },
      {
        "t": "10-09",
        "v": 0.236
      },
      {
        "t": "10-10",
        "v": 0.2425
      },
      {
        "t": "10-10",
        "v": 0.24
      },
      {
        "t": "10-11",
        "v": 0.2395
      },
      {
        "t": "10-11",
        "v": 0.257
      },
      {
        "t": "10-12",
        "v": 0.2565
      },
      {
        "t": "10-12",
        "v": 0.3295
      },
      {
        "t": "10-13",
        "v": 0.3815
      },
      {
        "t": "10-13",
        "v": 0.4545
      },
      {
        "t": "10-14",
        "v": 0.446
      },
      {
        "t": "10-14",
        "v": 0.437
      },
      {
        "t": "10-15",
        "v": 0.433
      },
      {
        "t": "10-15",
        "v": 0.5715
      },
      {
        "t": "10-16",
        "v": 0.5775
      },
      {
        "t": "10-16",
        "v": 0.6555
      },
      {
        "t": "10-17",
        "v": 0.6525
      },
      {
        "t": "10-17",
        "v": 0.647
      },
      {
        "t": "10-18",
        "v": 0.6375
      },
      {
        "t": "10-19",
        "v": 0.63
      },
      {
        "t": "10-19",
        "v": 0.6145
      },
      {
        "t": "10-20",
        "v": 0.6215
      },
      {
        "t": "10-20",
        "v": 0.621
      },
      {
        "t": "10-21",
        "v": 0.6245
      },
      {
        "t": "10-21",
        "v": 0.627
      },
      {
        "t": "10-22",
        "v": 0.6305
      },
      {
        "t": "10-23",
        "v": 0.6395
      },
      {
        "t": "10-24",
        "v": 0.6415
      },
      {
        "t": "10-25",
        "v": 0.842
      },
      {
        "t": "10-26",
        "v": 0.835
      },
      {
        "t": "10-27",
        "v": 0.8365
      },
      {
        "t": "10-27",
        "v": 0.9705
      },
      {
        "t": "10-28",
        "v": 0.9585
      }
    ],
    "analysis": [
      {
        "h": "What the market asks and how it resolves",
        "body": "This event asks which team wins the 2026 MLB World Series, with one market per listed team. The Milwaukee Brewers and Tampa Bay Rays are the two active markets, each trading as a Yes probability. A team's market resolves to No if it becomes impossible for that team to win under MLB rules, such as elimination in the playoffs. If the season is cancelled, postponed after December 31, 2026 ET, or no winner is declared in that window, the markets resolve to Other. The primary source is official MLB information at mlb.com, with consensus credible reporting as a possible supplement. The event ends 2026-10-31."
      },
      {
        "h": "How traders price it and how that moved",
        "body": "Traders price the Milwaukee Brewers at 93.7% and the Tampa Bay Rays at 6.7%, as market-implied Yes probabilities. Across the last 54 half-day points, the Brewers series started at 16.1% and now sits at 95.9%, with a high of 97.0% and a low of 16.0%. That is a change of +79.8 percentage points over the period. Event volume totals $47.51M, with $1.50M traded in the last 24 hours. These figures describe trading activity and are not forecasts."
      },
      {
        "h": "How concentrated the odds are",
        "body": "The odds sit heavily on one team. The Brewers carry 93.7% against 6.7% for the Rays, so the event's pricing is concentrated in a single favorite. The Brewers' price history has also trended upward from its starting level, which points to a sustained shift in trader expectations rather than one brief spike. Because each market is a separate Yes probability, readers should check each team's page individually rather than treating the pair as a complete distribution. Liquidity is substantial, with $47.51M in total volume."
      }
    ],
    "drivers": [
      "Elimination in the playoffs makes a team's market resolve to No under MLB rules.",
      "Cancellation or postponement after December 31, 2026 ET resolves all markets to Other.",
      "Official MLB information at mlb.com is the primary source, with credible reporting as backup."
    ],
    "faq": [
      {
        "q": "Does a 93.7% Yes price mean the Brewers will win?",
        "a": "No. It is the market-implied probability based on current trading, not a forecast or advice. Prices can move as new information arrives before the event ends."
      },
      {
        "q": "What happens if the Brewers are eliminated?",
        "a": "Their market resolves to No once it becomes impossible for them to win the 2026 MLB World Series under MLB rules."
      },
      {
        "q": "When does this event end and what if no winner is declared?",
        "a": "The event ends 2026-10-31. If the season is cancelled, postponed after December 31, 2026 ET, or no winner is declared in that window, markets resolve to Other."
      }
    ],
    "tags": [
      "Sports",
      "World Series",
      "MLB",
      "MLB Playoffs",
      "baseball"
    ]
  },
  "analysis_md": "The Brewers lead the Tampa Bay Rays in this event's market-implied odds. Each team has its own Yes market, which resolves to No if the team is eliminated.\n\n## What the market asks and how it resolves\n\nThis event asks which team wins the 2026 MLB World Series, with one market per listed team. The Milwaukee Brewers and Tampa Bay Rays are the two active markets, each trading as a Yes probability. A team's market resolves to No if it becomes impossible for that team to win under MLB rules, such as elimination in the playoffs. If the season is cancelled, postponed after December 31, 2026 ET, or no winner is declared in that window, the markets resolve to Other. The primary source is official MLB information at mlb.com, with consensus credible reporting as a possible supplement. The event ends 2026-10-31.\n\n## How traders price it and how that moved\n\nTraders price the Milwaukee Brewers at 93.7% and the Tampa Bay Rays at 6.7%, as market-implied Yes probabilities. Across the last 54 half-day points, the Brewers series started at 16.1% and now sits at 95.9%, with a high of 97.0% and a low of 16.0%. That is a change of +79.8 percentage points over the period. Event volume totals $47.51M, with $1.50M traded in the last 24 hours. These figures describe trading activity and are not forecasts.\n\n## How concentrated the odds are\n\nThe odds sit heavily on one team. The Brewers carry 93.7% against 6.7% for the Rays, so the event's pricing is concentrated in a single favorite. The Brewers' price history has also trended upward from its starting level, which points to a sustained shift in trader expectations rather than one brief spike. Because each market is a separate Yes probability, readers should check each team's page individually rather than treating the pair as a complete distribution. Liquidity is substantial, with $47.51M in total volume.\n\n## Current odds\n\n- Milwaukee Brewers: 93.7% (vol $2.93M)\n- Tampa Bay Rays: 6.7% (vol $2.08M)\n\n## What decides this market\n\n- Elimination in the playoffs makes a team's market resolve to No under MLB rules.\n- Cancellation or postponement after December 31, 2026 ET resolves all markets to Other.\n- Official MLB information at mlb.com is the primary source, with credible reporting as backup.\n\n## FAQ\n\n**Does a 93.7% Yes price mean the Brewers will win?**\nNo. It is the market-implied probability based on current trading, not a forecast or advice. Prices can move as new information arrives before the event ends.\n\n**What happens if the Brewers are eliminated?**\nTheir market resolves to No once it becomes impossible for them to win the 2026 MLB World Series under MLB rules.\n\n**When does this event end and what if no winner is declared?**\nThe event ends 2026-10-31. If the season is cancelled, postponed after December 31, 2026 ET, or no winner is declared in that window, markets resolve to Other.\n",
  "sources": [
    {
      "title": "MLB World Series Champion 2026 on Polymarket",
      "url": "https://polymarket.com/event/mlb-world-series-champion-2026"
    },
    {
      "title": "Polymarket via AISA API",
      "url": "https://aisa.one/docs/api-reference/prediction-market/get_polymarket-events"
    }
  ],
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  "pricing": {
    "price_usd": 0.01,
    "method": "402",
    "endpoint": "https://esa.aisa.one/api/v1/access/verify",
    "autopay_hint": "set crawlerAutoPrice=true with the X-Crawler-Token header",
    "onboarding": "https://esa.aisa.one/agent/guide.html"
  },
  "powered_by": "AISA — agent-native search, settlement & delivery (https://aisa.one)"
}