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PolyOrderbooks

Replay historical Polymarket order books for backtests.

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Polymarket support
Polymarket native
Pricing model
Freemium · from $19/month
Access requirement
API key required
Wallet required
No
Trade execution
None
Last editorial review
Aug 24, 2026

01 · Overview

What is PolyOrderbooks?

PolyOrderbooks archives L2 depth, prices, spreads, and liquidity metrics for Polymarket crypto markets through REST and Python tooling. Best for: Researchers and strategy developers using historical L2 depth, spreads, and liquidity metrics to model fill quality, slippage, and Polymarket crypto-market microstructure. Less suitable for: Users needing broad non-crypto coverage or live trade execution. Key limitations: Coverage is intentionally limited to Polymarket crypto markets, and fine-grained history depends on the selected plan.

APIHistorical DataMarket AnalyticsSDK
Explore PolyOrderbooks by taskBuild with Polymarket dataDownload Polymarket datasetsReplay historical marketsAnalyze liquidity & order booksTrade short-term crypto marketsResearch a market

02 · Best for

Who is PolyOrderbooks best for?

Best for

Researchers and strategy developers using historical L2 depth, spreads, and liquidity metrics to model fill quality, slippage, and Polymarket crypto-market microstructure.

Not ideal for

Users needing broad non-crypto coverage or live trade execution.

Limitations

Coverage is intentionally limited to Polymarket crypto markets, and fine-grained history depends on the selected plan.

03 · Access & execution

How do access and execution work?

Entity typeData infrastructure
Polymarket supportPolymarket native
Pricing modelFreemium · from $19/month
Free planYes
Access requirementAPI key required
Wallet requiredNo
Trade executionNone
Product statusLive
Polymarket

Scope-aware product facts

What to look for

Surfaces

ProductWeb · Supported Evidence

Access modes

Primary workflowAPI key required · wallet No · Not required · Non-custodial Evidence

Execution modes

Primary workflowNone · Not supported · Not required Evidence

Pricing offers

Data-30-Day-WindowSubscription · $19 Evidence
Primary productFree plan · Supported Evidence

Data capabilities

Product data · P&LNot applicable · Not applicable Evidence
Product data · Fee accountingNot applicable · Fees included in P&L Evidence
Product data · Rewards accountingNot applicable · Rewards included in P&L Evidence
Product data · Open positions accountingNot applicable · Open positions included in P&L Evidence
Market data · Order book historySupported · Recorded Evidence

04 · Data provenance

Data provenance

Current coverage: CompleteA transparent record of which official sources were checked and when.

Data originRecorded order book
PnL methodologyNot applicable
Fees includedNot applicable
Rewards includedNot applicable
Open positions includedNot applicable
Order-book historyRecorded
Update cadenceDelayed
Review provenance evidence

05 · Public footprint

Public footprint

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

Product activity

A transparent record of which official sources were checked and when.

Product statusLive
Tracked by PredAtlas sinceAug 24, 2026
Last editorial reviewAug 24, 2026
Official documentationYes

06 · Sources & review

How was PolyOrderbooks reviewed?

Documentation strength: CompleteA transparent record of which official sources were checked and when.

Sources reviewed · Aug 24, 2026

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

Official homepagepolyorderbooks.comDocumentationdocs.polyorderbooks.comPricing pagepolyorderbooks.com