WeatherHelsinki Daily Weather
Highest temperature in Helsinki on September 17?
$5.3K volume, 24h483 fills · 163 traders · 11 questions
Reported by Polymarket: open interest $8.5K · liquidity $39.6K · 24h volume 10,492 shares
- Event start
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- First trade
Resolves via weather.gov/wrh/timeseries?site=efhk
Part of Helsinki Daily Weather · daily
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- Helsinki Daily Weather
Prices and volume as of Sep 17, 2026 06:40 UTC. Trading data is ours; event metadata comes from Polymarket. Not affiliated with Polymarket · Not investment advice.