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PolyTest

High-performance Polymarket Backtesting API for Crypto

2026-04-05

Product Introduction

  1. Overview: PolyTest is a high-fidelity data infrastructure and API provider specifically engineered for backtesting strategies on Polymarket, the world's leading decentralized prediction market. It operates as a bridge between raw blockchain event logs and actionable quantitative trading insights.
  2. Value: For quantitative traders and developers, PolyTest eliminates the technical hurdle of indexing high-frequency orderbook data, providing a production-ready environment to validate "Up/Down" market strategies with millisecond accuracy.

Main Features

  1. Sub-Second Orderbook Snapshots: PolyTest indexes every price movement with sub-second resolution, capturing 8 levels of bid/ask depth. This allows for high-precision simulation of slippage and liquidity constraints that are often missed by standard interval data.
  2. Granular Market Coverage: The API provides comprehensive access to binary "Up/Down" markets across major crypto assets including BTC, ETH, and SOL, with specific timeframes ranging from 5-minute windows to 24-hour expirations.
  3. Low-Latency Performance: With a p50 response time of just 42ms and 99.9% uptime, the infrastructure is optimized for rapid iteration, allowing quants to process millions of snapshots without bottlenecks.

Problems Solved

  1. Challenge: The lack of granular historical data in decentralized prediction markets makes it nearly impossible to test automated market-making (AMM) or directional strategies.
  2. Audience: Quant researchers, algorithmic crypto traders, and DeFi developers building bots for Polymarket.
  3. Scenario: A trader developing a mean-reversion bot for ETH 5m markets can use PolyTest to replay the exact orderbook state from the last 60 days to see how their entry/exit logic would have performed under real liquidity conditions.

Unique Advantages

  1. Vs Competitors: Unlike generic blockchain indexers, PolyTest is purpose-built for prediction market dynamics, offering deep 8-level orderbook snapshots rather than just top-of-book or trade-only data.
  2. Innovation: The platform features seamless integration with modern AI coding tools like Cursor, Claude Code, and OpenClaw, enabling "Natural Language to Backtest" workflows for rapid strategy prototyping.

Frequently Asked Questions (FAQ)

  1. What is the data resolution of PolyTest? PolyTest provides sub-second snapshots of Polymarket orderbooks, allowing for the most accurate backtesting of high-frequency trading strategies.
  2. Which crypto assets does PolyTest support? Currently, it supports BTC, ETH, and SOL Up/Down markets, with XRP, DOGE, and BNB support currently in development.
  3. Is there a free tier for developers? Yes, PolyTest offers a free API key tier that requires no credit card, making it accessible for builders to integrate into tools like v0 or Codex.

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