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Polymarket MLB Data

Every Polymarket MLB market since 2026-05-01, tick by tick: order books, trades, and on-chain fills for MLB games and season futures.

2,000+
events
44,000+
markets
2026-05-01
data since
End point
/v1/polymarket/l2/{YYYY/MM/DD}/{market_slug}.parquet
/v1/polymarket/trades/{YYYY/MM/DD}/{market_slug}.parquet
/v1/polymarket/onchain_fills/{YYYY/MM/DD}/{market_slug}.parquet

Polymarket MLB datasets

Part of Polymarket sports data. Column definitions are in the data schemas.

Polymarket MLB data coverage
CoverageEvery Polymarket MLB market since 2026-05-01, published daily
Events and markets2,000+ events and 44,000+ markets (Polymarket, as of 2026-10-15)
Market typesMoneylines, spreads and totals, first-five-innings and NRFI markets, and futures such as the World Series and league champions
ExamplesMLB World Series Champion 2026 · Colorado Rockies vs. Washington Nationals
Data typesl2 (book, price_change, tick_size_change, market_resolved), trades, onchain_fills
CollectionAWS London, the same region as Polymarket; median collection latency 4.6 ms

More sports data

Download Polymarket MLB data

import pandas as pd

url = "https://api.pmdata.dev/v1/polymarket/l2/"
url += "2026/08/27/mlb-col-wsh-2026-08-27.parquet"

df = pd.read_parquet(url, storage_options={"api_key": "<YOUR_API_KEY>", "User-Agent": "Mozilla/5.0"})
print(df.head())

Frequently asked questions