For prediction markets · Polymarket · Kalshi · every market

Stop guessing which forecast to trust.

Nineteen models disagree. Isobar shows which model has been most accurate in each city, the probability for each temperature bin, and how those probabilities compare to the live price — across every Polymarket, Kalshi and prediction-market temperature market there is. Analytics, not advice.

What you get

Model probabilities, not just a forecast.

Best model per city

We score the exact settlement station and tell you which of 19 models has been most accurate there — misses shown.

Bin odds

A probability for each whole-degree bin, so you can price every outcome, not just the favourite.

Model vs market gap

Our probability minus the live Polymarket / Kalshi price — a descriptive gap, ranked by expected value. Analytics, not advice.

Every market, everywhere

Every Polymarket & Kalshi temperature market — and any prediction market — including the small and niche ones, international cities too. None skipped, with the full track record — misses shown.

Model vs market gap

Where model and market differ today.

Sample data. Our bin probabilities vs the live market, ranked by expected value. Analytics, not advice.

Sample data — Model vs market gap
CityBinOur oddsMarketGapEV / $1
Chicago · High7°C0.0%0.0%0.0%0.00
Amsterdam · High15°C0.0%0.0%0.0%0.00
Warsaw · Low2°C0.0%0.0%0.0%0.00
Sample data — real edges update live in the app once the market websocket is wired.
Start free

See which model wins your city.

The scoreboard is free. Add edges, bin odds and alerts with Pro.

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