Highest temperature in HelsinkiPolymarket historical data and price history
Highest temperature in Helsinki: a Polymarket weather series with markets recurring daily. Marketlens has captured 759 markets since July 5, 2026, of which 737 resolved, with $1.1M in traded volume. Every market's order book is stored in full: periodic L2 snapshots plus every individual price change with a millisecond timestamp, alongside trades, candles, and the final resolution outcome.
For the weather archive as a whole, see Polymarket weather market data.
Data as of 2026-09-17 · Polymarket series Helsinki Daily Weather · slug helsinki-daily-weather
Resolution outcomes
Outcomes across 737 resolved markets with a recorded winning outcome. Settlement in the archive is by winning outcome, not by final traded price.
Markets in this series
The most recently resolved of 759 markets.
Backtest this series
from marketlens import MarketLens
client = MarketLens()
result = client.backtest(
MyStrategy(), "helsinki-daily-weather",
after="2026-09-10", before="2026-09-18", initial_cash=1_000,
)
result.show() # inspect the run in the dashboardAvailable datasets
Common questions
How many Highest temperature in Helsinki markets are in the archive?
759 markets from July 5, 2026 through September 17, 2026, of which 737 have resolved and 22 are active.
What data exists for each Highest temperature in Helsinki market?
Full L2 order book history (snapshots plus every price change at millisecond resolution), individual trades, OHLC candles, and the resolution outcome. All of it is queryable by the series slug "helsinki-daily-weather" through the API and Python SDK, or downloadable as Parquet.
How often do Highest temperature in Helsinki markets resolve No?
Of 737 resolved markets with a recorded outcome, 670 resolved No (90.9%) and 67 resolved Yes.
How much does a typical Highest temperature in Helsinki market trade?
Average traded volume is $2.3K per market, $1.1M across the series.
Can I backtest strategies on Highest temperature in Helsinki?
Yes. Pass the slug "helsinki-daily-weather" to client.backtest() in the Python SDK. Execution mode replays every market's order book tick by tick and fills simulated orders against real historical depth with queue priority, latency, and fee modelling; Alpha mode replays one bar per market for slower signals over long windows.
Related series: Highest temperature in Hong Kong, Highest temperature in London, Highest temperature in Seoul (Incheon), Highest temperature in Shanghai, Highest temperature in NYC, Highest temperature in Paris, or all weather series.
Try it
Replay Highest temperature in Helsinki tick by tick
The free tier includes 1M rows per day with full API and full archive access, no card required.
$ pip install marketlens