{
 "question": "Who will win the 2028 United States vice presidential election?",
 "url": "https://themorningline.news/odds/who-will-win-the-2028-united-states-vice-presidential-election",
 "category": "politics",
 "as_of": "2026-10-05",
 "first_tracked": "2026-09-30",
 "license": "CC BY 4.0 — free to reuse with a link back",
 "note": "Probabilities are market-consensus forecasts (0-1). Rows with source 'backfill' are pre-tracking reference history from the market's own records, never published by us.",
 "outcomes": [
  {
   "name": "Marco Rubio",
   "history": [
    {
     "date": "2026-09-29",
     "probability": 0.03,
     "source": "backfill"
    },
    {
     "date": "2026-09-30",
     "probability": 0.075,
     "source": "tracked"
    },
    {
     "date": "2026-10-04",
     "probability": 0.08,
     "source": "tracked"
    },
    {
     "date": "2026-10-05",
     "probability": 0.08,
     "source": "tracked"
    }
   ]
  },
  {
   "name": "Alexandria Ocasio-Cortez",
   "history": [
    {
     "date": "2026-09-29",
     "probability": 0.03,
     "source": "backfill"
    },
    {
     "date": "2026-10-04",
     "probability": 0.055,
     "source": "tracked"
    },
    {
     "date": "2026-10-05",
     "probability": 0.055,
     "source": "tracked"
    }
   ]
  },
  {
   "name": "Josh Shapiro",
   "history": [
    {
     "date": "2026-09-29",
     "probability": 0.03,
     "source": "backfill"
    },
    {
     "date": "2026-10-04",
     "probability": 0.05,
     "source": "tracked"
    },
    {
     "date": "2026-10-05",
     "probability": 0.05,
     "source": "tracked"
    }
   ]
  },
  {
   "name": "Jon Ossoff",
   "history": [
    {
     "date": "2026-09-29",
     "probability": 0.04,
     "source": "backfill"
    },
    {
     "date": "2026-10-04",
     "probability": 0.05,
     "source": "tracked"
    },
    {
     "date": "2026-10-05",
     "probability": 0.05,
     "source": "tracked"
    }
   ]
  },
  {
   "name": "James Talarico",
   "history": [
    {
     "date": "2026-09-29",
     "probability": 0.03,
     "source": "backfill"
    },
    {
     "date": "2026-10-04",
     "probability": 0.04,
     "source": "tracked"
    },
    {
     "date": "2026-10-05",
     "probability": 0.04,
     "source": "tracked"
    }
   ]
  },
  {
   "name": "Gretchen Whitmer",
   "history": [
    {
     "date": "2026-09-29",
     "probability": 0.02,
     "source": "backfill"
    },
    {
     "date": "2026-09-30",
     "probability": 0.035,
     "source": "tracked"
    },
    {
     "date": "2026-10-04",
     "probability": 0.035,
     "source": "tracked"
    },
    {
     "date": "2026-10-05",
     "probability": 0.035,
     "source": "tracked"
    }
   ]
  },
  {
   "name": "Donald J. Trump",
   "history": [
    {
     "date": "2026-09-29",
     "probability": 0.02,
     "source": "backfill"
    },
    {
     "date": "2026-09-30",
     "probability": 0.025,
     "source": "tracked"
    },
    {
     "date": "2026-10-04",
     "probability": 0.035,
     "source": "tracked"
    },
    {
     "date": "2026-10-05",
     "probability": 0.035,
     "source": "tracked"
    }
   ]
  }
 ]
}