Dota 2 historical data

Dota 2 is a Polymarket esports series with markets recurring daily. Marketlens has captured 669 markets since August 15, 2026, of which 664 resolved, with $51.0M in traded volume. Order books are stored at full depth, with every individual price change captured at millisecond resolution on the most actively traded markets, alongside trades, candles, and the final resolution outcome.

Data as of 2026-09-04 · series slug dota-2

Markets
669
Resolved
664
Traded volume
$51.0M
Avg volume / market
$96.9K
Cadence
daily
Coverage from
2026-08-15
Data through
2026-09-04
Category
Esports

Markets by bet type

spread139
moneyline108
segment_winner:game297
segment_winner:game195

Market counts by bet type across the series. Pass any of these as subtype= to backtest that type on its own.

Markets in this series

The most recently resolved of 669 markets.

Game Handicap: PR (-1.5) vs 4ikibamboni (+1.5)

closed 2026-09-03 · volume $35.0K · resolved Power Rangers: 0.5, 4ikibamboni: 0.5

Dota 2: 4ikibamboni vs Power Rangers (BO3) - EPL Masters Group A

closed 2026-09-03 · volume $105.8K · resolved 4ikibamboni: 0.5, Power Rangers: 0.5

Dota 2: 4ikibamboni vs Power Rangers - Game 2 Winner

closed 2026-09-03 · volume $9.1K · resolved 4ikibamboni: 0.5, Power Rangers: 0.5

Backtest this series

python
from marketlens import MarketLens client = MarketLens() result = client.backtest( MyStrategy(), "dota-2", subtype="moneyline", after="2026-08-28", before="2026-09-05", initial_cash=1_000, ) result.show() # inspect the run in the dashboard

Available datasets

Order book snapshots and deltasfull L2 depth, millisecond price changes
Tradesindividual fills with side and size
CandlesOHLC at multiple resolutions
Bulk Parquet exportsfull markets for offline research
Backtestingtick level replay with realistic fills

Common questions

How many Dota 2 markets are in the archive?

669 markets from August 15, 2026 through September 4, 2026, of which 664 have resolved and 5 are active.

What data exists for each Dota 2 market?

Full depth L2 order book snapshots at regular intervals, individual trades, OHLC candles, and the resolution outcome, with the full price change stream at millisecond resolution on the most actively traded markets in the series. All of it is queryable by the series slug "dota-2" through the API and Python SDK, or downloadable as Parquet.

How much does a typical Dota 2 market trade?

Average traded volume is $96.9K per market, $51.0M across the series.

Can I backtest strategies on Dota 2?

Yes. Pass the slug "dota-2" to client.backtest() in the Python SDK. Execution mode replays order books against real historical depth; Alpha mode, one bar per market, covers every market in the series and suits its longer horizons. This series mixes several bet types, so pass subtype= (e.g. "moneyline") to backtest one type at a time.

Related series: League of Legends, Counter Strike, Valorant, or all esports series.

Try it

Pull Dota 2 books in one call

The free tier includes 25M rows per day with full API and full archive access, no card required.

bash
$ pip install marketlens