Polyseer logo

Polyseer

Free

Open-source AI research platform that provides systematic evidence-based analysis for Polymarket and Kalshi prediction markets using multi-agent architecture, Bayesian probability aggregation, and rea…

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Our screenshot of polyseer.xyz, captured 2026-09-04 — how the service looked that day, not an endorsement.
Screenshot of polyseer.xyz — terms
Our screenshot of polyseer.xyz, captured 2026-09-04 — how the service looked that day, not an endorsement.
Polyseer — their own banner
Polyseer's own banner, as their site publishes it.

What Polyseer does

Polyseer is a research-oriented AI platform designed to analyze prediction markets by uncovering the underlying factors that influence event outcomes. Rather than simply displaying probabilities or historical price movements, Polyseer focuses on explanation - helping users understand why markets assign certain odds. This makes it a distinctive addition to the ecosystem of polymarket tools, particularly among polymarket analytics tools aimed at deeper decision support.

Prediction markets aggregate expectations from participants, but they do not always reveal the reasoning behind those expectations. Polyseer addresses this gap by allowing users to input a Polymarket or Kalshi market URL and receive a structured analytical report. The system gathers evidence from multiple domains, including academic publications, news sources, financial data, and expert commentary, then synthesizes these inputs into a coherent assessment of the event’s drivers.

At the core of Polyseer is a multi-agent AI architecture. Specialized agents collaborate to plan research strategies, collect evidence, critique findings, perform probabilistic calculations, and produce human-readable reports. This workflow resembles a distributed research team rather than a single generative model. By analyzing both supportive and opposing arguments, the system attempts to reduce confirmation bias and produce balanced evaluations.

A distinguishing feature of Polyseer is its formal approach to probability. Instead of relying solely on heuristic reasoning, the platform uses Bayesian methods to aggregate evidence and update outcome likelihoods. Each piece of information is weighted according to criteria such as source reliability, independence from other evidence, recency, and verifiability. This structured methodology aims to provide a more rigorous foundation than informal speculation.

Polyseer also includes an evidence quality framework that categorizes sources by credibility, ranging from primary documents and official statements to lower-confidence signals such as rumors or social media claims. This classification helps users interpret not only what information exists, but how trustworthy it may be.

The platform is designed with developers and researchers in mind. It can be run in a self-hosted configuration using personal API keys, enabling private analysis without reliance on a centralized service. In this mode, queries are processed locally with a lightweight database, making it suitable for experimentation, prototyping, or integration into custom workflows.

Real-time information is another key component. Because prediction markets react to new developments quickly, outdated data can lead to misleading conclusions. Polyseer integrates fresh sources to maintain relevance, particularly for fast-moving political, economic, or technological events.

Within the broader landscape of prediction market tools, Polyseer occupies a niche focused on explanatory intelligence rather than execution or monitoring. It does not place trades, manage portfolios, or provide alerts. Instead, it functions as a decision-support layer that complements other tools such as trading bots, dashboards, or whale trackers.

Overall, Polyseer provides a structured way to analyze prediction markets using AI-assisted research and probabilistic reasoning. For users who want deeper insight into the forces shaping market expectations - rather than just the probabilities themselves - it offers a methodical approach to understanding complex events in Polymarket and beyond.

At a glance

Categories
AI Agents, Analytics
Venues
Kalshi, Polymarket
Reached through
API, Web
Pricing (directory label)
Free
Listed in
3 directories
Site
polyseer.xyz

Features

As published by the directories that list it — not verified by us.

Multi-Agent AI Research ArchitectureBayesian Probability Aggregation SystemEvidence Quality Classification and ScoringReal-Time Deep Research via Valyu IntegrationComprehensive Analysis ReportsDual Deployment Mode ArchitectureOpen Source and Developer FriendlySecurity and Privacy Protection

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