What is polymarket-odds-scanner?

polymarket-odds-scanner is an open-source comparison tool for finding sports price gaps between Polymarket and external sportsbook feeds. Best for: Analysts researching cross-market discrepancies without automatic execution. Less suitable for: Users who expect guaranteed arbitrage, identical contracts or complete bookmaker coverage. Key limitations: Matching contracts can differ in rules and timing; odds feeds, fees, limits, latency and account eligibility can erase an apparent gap.

ArbitrageMarket Analytics

Who is polymarket-odds-scanner best for?

Best for

Analysts researching cross-market discrepancies without automatic execution.

Not ideal for

Users who expect guaranteed arbitrage, identical contracts or complete bookmaker coverage.

Limitations

Matching contracts can differ in rules and timing; odds feeds, fees, limits, latency and account eligibility can erase an apparent gap.

How do access and execution work?

Entity typeTool / application

Polymarket supportPolymarket native

Pricing modelFree

Free planYes

Access requirementApi-Key

Wallet requiredNo

Trade executionNone

Product statusLive

OtherPolymarket

Scope-aware product facts

Each row applies only to the named product surface or workflow. The quick facts above remain compact summaries.

Surfaces

ProductWeb · Supported Evidence

Access modes

Primary-WorkflowApi-Key · wallet No · Not-Required · Non-Custodial Evidence

Execution modes

Primary-WorkflowNone · Not-Supported · Not-Required Evidence

Pricing offers

Primary-ProductFree-Plan · $0 Evidence

Data capabilities

Product-Data · PnlNot-Applicable · Not-Applicable Evidence

Product-Data · Fee-AccountingNot-Applicable · Pnl-Fees-Included Evidence

Product-Data · Rewards-AccountingNot-Applicable · Pnl-Rewards-Included Evidence

Product-Data · Open-Positions-AccountingNot-Applicable · Pnl-Open-Positions-Included Evidence

Market-Data · Order-Book-HistoryNot-Applicable · Not-Applicable Evidence

What supports the product's data?

Data provenance coverage: CompleteCore data origin and update facts are linked to reviewed evidence.

Data originMixed

PnL methodologyNot-Applicable

Fees includedNot applicable

Rewards includedNot applicable

Open positions includedNot applicable

Order-book historyNot-Applicable

Update cadenceRealtime

Review provenance evidence

Public footprint

Current public signals from official platform sources, shown with their observation dates.

Product activity

PredAtlas tracking and source-review facts, separate from third-party audience metrics.

Product statusLive

Tracked by PredAtlas sinceSep 8, 2026

Last editorial reviewSep 8, 2026

Latest public updateJun 21, 2026

Official documentationYes

Public repositoryYes

How was polymarket-odds-scanner reviewed?

Documentation strength: CompleteAll applicable material facts are linked to checked first-party evidence.

Sources reviewed · Sep 8, 2026

Official product sources were checked for documented identity, scope, access, pricing and limitations. This is not a security audit, performance test or endorsement.

polymarket-odds-scanner