{
 "page": "https://prediction-market-use-cases.vercel.app/kalshi/series/kxmlbgame/",
 "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": "Sports",
  "title": "Professional Baseball Game",
  "frequency": "custom",
  "markets": 4428,
  "events": 2214,
  "vol": 865058318,
  "zero": 22,
  "settled": 4408,
  "yes": 2203,
  "no": 2205,
  "first": "2025-04-15",
  "last": "2025-10-28",
  "by_month": [
   [
    "2025-04",
    418,
    6773294,
    14,
    404,
    202
   ],
   [
    "2025-05",
    804,
    41853309,
    0,
    804,
    402
   ],
   [
    "2025-06",
    826,
    88337045,
    0,
    826,
    413
   ],
   [
    "2025-07",
    738,
    92947882,
    0,
    738,
    369
   ],
   [
    "2025-08",
    836,
    98453267,
    0,
    836,
    418
   ],
   [
    "2025-09",
    742,
    185133298,
    8,
    736,
    367
   ],
   [
    "2025-10",
    64,
    351560223,
    0,
    64,
    32
   ]
  ],
  "trades_by_month": [
   [
    "2025-04",
    62262,
    6197457
   ],
   [
    "2025-05",
    330825,
    41533067
   ],
   [
    "2025-06",
    546252,
    84397934
   ],
   [
    "2025-07",
    588854,
    93129639
   ],
   [
    "2025-08",
    622721,
    98500575
   ],
   [
    "2025-09",
    868067,
    148044966
   ],
   [
    "2025-10",
    1148395,
    393050840
   ]
  ],
  "top_events": [
   [
    "KXMLBGAME-25OCT27TORLAD",
    2,
    28102598
   ],
   [
    "KXMLBGAME-25OCT07TORNYY",
    2,
    20065905
   ],
   [
    "KXMLBGAME-25OCT31LADTOR",
    2,
    18534184
   ],
   [
    "KXMLBGAME-25OCT01CINLAD",
    2,
    15969414
   ],
   [
    "KXMLBGAME-25OCT28TORLAD",
    2,
    15768854
   ]
  ]
 }
}