{
 "page": "https://prediction-market-use-cases.vercel.app/kalshi/series/kxfeddecision/",
 "source": "Becker Kalshi dataset (github.com/Jon-Becker/prediction-market-analysis); categories from Kalshi public API GET /trade-api/v2/series fetched 2026-10-17",
 "snapshot": "2026-10-17",
 "units": {
  "contracts": "sum of markets.volume (contracts, not dollars)"
 },
 "data": {
  "category": "Economics",
  "title": "Fed meeting",
  "frequency": "custom",
  "markets": 130,
  "events": 26,
  "vol": 278539309,
  "zero": 62,
  "settled": 40,
  "yes": 8,
  "no": 32,
  "first": "2024-10-29",
  "last": "2025-10-02",
  "by_month": [
   [
    "2024-10",
    5,
    3643679,
    0,
    5,
    1
   ],
   [
    "2024-12",
    5,
    2033985,
    0,
    5,
    1
   ],
   [
    "2025-01",
    5,
    2849985,
    0,
    5,
    1
   ],
   [
    "2025-02",
    5,
    41343139,
    0,
    5,
    1
   ],
   [
    "2025-03",
    5,
    36504721,
    0,
    5,
    1
   ],
   [
    "2025-05",
    5,
    48053671,
    0,
    5,
    1
   ],
   [
    "2025-07",
    5,
    91819656,
    0,
    5,
    1
   ],
   [
    "2025-08",
    10,
    52266770,
    0,
    5,
    1
   ],
   [
    "2025-09",
    45,
    23241,
    25,
    0,
    0
   ],
   [
    "2025-10",
    40,
    462,
    37,
    0,
    0
   ]
  ],
  "trades_by_month": [
   [
    "2024-10",
    118,
    1553
   ],
   [
    "2024-11",
    6672,
    1846836
   ],
   [
    "2024-12",
    4563,
    2110952
   ],
   [
    "2025-01",
    2121,
    1781938
   ],
   [
    "2025-02",
    1732,
    1176917
   ],
   [
    "2025-03",
    3778,
    2329551
   ],
   [
    "2025-04",
    66208,
    25617894
   ],
   [
    "2025-05",
    50142,
    33530372
   ],
   [
    "2025-06",
    30400,
    25873563
   ],
   [
    "2025-07",
    47748,
    40680814
   ],
   [
    "2025-08",
    33074,
    24100579
   ],
   [
    "2025-09",
    71870,
    71700156
   ],
   [
    "2025-10",
    27351,
    35765484
   ],
   [
    "2025-11",
    24993,
    13293393
   ]
  ],
  "top_events": [
   [
    "KXFEDDECISION-25SEP",
    5,
    91819656
   ],
   [
    "KXFEDDECISION-25JUL",
    5,
    48053671
   ],
   [
    "KXFEDDECISION-25MAY",
    5,
    41343139
   ],
   [
    "KXFEDDECISION-25OCT",
    5,
    39093798
   ],
   [
    "KXFEDDECISION-25JUN",
    5,
    36504721
   ]
  ]
 }
}