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Celsi icon

Celsi

Weather prediction market scanner that finds mispriced contracts on Kalshi and Polymarket using GFS/ECMWF forecast model consensus.

Cost / License

  • Freemium (Subscription)
  • Proprietary

Platforms

  • Online
  • Software as a Service (SaaS)
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Features

Properties

  1.  Privacy focused
  2.  Lightweight

Features

  1.  Dark Mode

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Celsi information

  • Developed by

    US flagBernard Rayburn

  • Licensing

    Proprietary and Freemium product.

  • Pricing

    Subscription that costs $20 per month + free version with limited functionality.

  • Alternatives

    1 alternatives listed

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  • Supported Languages

    • English

AlternativeTo Categories

Business & Commerce, Online Services

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What is Celsi?

Celsi is a real-time weather prediction market scanner that aggregates contracts from Kalshi and Polymarket, compares market-implied probabilities against GFS and ECMWF forecast model consensus, and calculates edge scores to identify mispriced weather contracts. Covers 13 major US cities including NYC, Chicago, Miami, Denver, and more. Features include paper trading, model bias verification, consensus shift tracking, and AI-generated daily edge alerts. Free tier available with Pro subscription for full access.