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Polymarket backtesting and replay tools

Replay a strategy or recorded execution, compare scenarios and inspect modeled fills. Choose the engine for the past-period question you want to investigate.

How to choose backtesting

Read the replay assumptions

The result depends on the window and the engine’s treatment of the data. Reconstructed fills should be understood through those assumptions, rather than treated as a record of what your account would necessarily have earned.

Check the model

  • Confirm the replay window.
  • Inspect fees and spread handling.
  • Read how missing data and available depth affect modeled fills.
  • Find raw inputs in Historical data and forward simulations in Paper trading.
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20 tools · 1–12 shown

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Marketlens SDK example and research modules
Marketlens
Data API4.0Editorial

Export Polymarket history and replay Python strategies with stated latency, queue and fill assumptions.

  • Access API
Marketlens Python installation and Strategy quickstart
Marketlens Python SDK
SDK4.0Editorial

Compare fast bar experiments with detailed L2 replay, reusing downloaded history between strategy changes.

  • Language Python
NautilusTrader Polymarket adapter scope and integration-guide entry
NautilusTrader
SDK4.0Editorial

Receive native market events and manage signed orders, reconciliation and resolution in one trading framework.

  • Language Python · Rust
OutcomeTick’s official archive and backtesting presentation showing its stated dataset scope.
OutcomeTick
Dataset4.0Editorial

Download crypto Up/Down history with separate event/receive times, settlement data and checksums.

  • Access API · Downloads · SDK
TickFoundry dataset entry page with an illustrative book ladder
TickFoundry
Dataset4.0Editorial

Download UTC market-day bundles or replay books and trades to examine recorded execution costs at a chosen size.

  • Access Web · API
Boosted Trading customizable workspace overview
Boosted Trading
Trading terminal3.5Editorial

Trade from configurable Polymarket panels and review an automatic journal, with risk rules that can lock new buys.

  • Trading mode Manual
  • Access Web
Claw Arbs provider walkthrough of orders and strategy analysis
Claw Arbs
Trading bot3.5Editorial

Local desktop agents for paired arbitrage or directional value bets, with paper mode and explicit execution controls.

  • Trading mode Paper · Live automation
  • Access Windows · macOS · Linux
Olympus terminal overview and provider execution preview
Olympus
Trading terminal3.5Editorial

Combine manual trading and server-side copying with leader-specific sizing, filters, exits and historical simulation.

  • Trading mode Manual · Live automation
  • Access Web
PolyBackTest historical Up/Down research with a provider backtest example
PolyBackTest
Dataset3.5Editorial

Replay short crypto rounds against recorded liquidity and keep Data API and AI-backtest entitlements separate.

  • Access Web · API
Polyfox page introducing leader selection and copying controls.
Polyfox
Trading bot3.5Editorial

Polymarket copying in Telegram with isolated sub-wallets, independent buy/sell settings and execution reports.

  • Trading mode Manual · Live automation
  • Access Telegram
PolyOrderbooks historical L2 overview and provider book example
PolyOrderbooks
Dataset3.5Editorial

Query historical books at 250 ms intervals or replay supported crypto strategies with depth-based fills.

  • Access Web · API · MCP
Polywhaler preview of wallet research and suggested traders
Polywhaler
Platform3.5Editorial

Whale feeds and explained wallet scores, with Orca paper/live portfolios and a separate Quant data plan.

  • Access Web · Telegram · Discord · API · iOS