PolytoolhubWhat is PolyBackTest?
PolyBackTest records both sides of short-duration crypto prediction markets so a strategy can be tested against the book that existed at the time. Its data includes outcome books, market metadata, reference prices and resolution results. The product separates API data access from the AI strategy interface: buying the AI plan does not automatically provide a paid Data API entitlement.
Who it is for
- Developers testing execution against historical liquidity
- Researchers studying short-duration crypto rounds
- Non-coders who want to describe a backtest in plain language
Features and coverage
- Available on
- Web, REST API
- Markets & venues
- Polymarket
- Research topics
- Order-book replay, Crypto backtesting
- Both outcome books
Retrieve full bid and ask levels for UP and DOWN tokens.
- Timestamp lookup
Query market conditions at a specific historical moment.
- Sub-second snapshots
Use the captured book sequence to inspect spread, depth and possible slippage.
- Reference prices
Compare contract behavior with the recorded Chainlink input for supported crypto markets.
- Closed-market records
Retain market metadata and resolution results for completed rounds.
- REST data access
Retrieve markets, snapshots and historical states through documented endpoints.
- Strategy Builder and Backtest AI
Build a test or describe one in natural language, depending on the selected entitlement.
- Dedicated infrastructure
Choose isolated compute, region and endpoint options for a larger integration.
Workflows with PolyBackTest
Test an entry rule
Define the trigger, market round and entry time, retrieve the historical book at that moment and model the size against available depth.
Compare a rule across rounds
Use the same sizing, fee and fill assumptions for each supported market and retain resolved outcomes in the result set.
Choose an AI-plus-data setup
Use the AI plan for natural-language experiments and add a data plan only if you also need API access or larger history and throughput limits.
Pricing and total cost
Free access covers a small recent-market window. Paid data plans are configurable by history and throughput; AI access is a separate plan.
Free
$0
- Recent BTC market windows by timeframe
- Full-depth snapshots and timestamp queries within access limits
Pro — displayed base configuration
$19.90/month
- 31-day history
- 10 requests/second and 300 requests/minute
- Full Data API access; limited Strategy Builder; no AI access
AI
$35/month
- Approximately 100 AI backtests/month
- Strategy Builder and AI strategy analysis
- No Data API access
Access: Dedicated infrastructure and longer history are separately configurable; the displayed one-coin dedicated example is $709.90/month.
Getting started
Before you start: Historical coverage begins when the provider recorded that market; it is not unlimited venue history.
- Create a free account and choose a supported crypto timeframe.
- Inspect a recent market’s metadata and outcome books.
- Write down entry, exit, sizing and fill assumptions for the strategy.
- Use timestamp queries or the Strategy Builder to run the test.
- Check whether the plan includes the required history, coin and throughput.
- Add AI access separately if you want natural-language backtests.
Useful links
What to check
- Historical coverage begins when the provider recorded that market; it is not unlimited venue history.
- The current plan configurator lists BTC, ETH and SOL windows with different timeframe coverage.
- Unlimited request volume still operates within requests-per-second and per-minute limits.
- A historical book snapshot does not by itself model queue priority or prove that a resting order would have filled.
- The AI plan and Data API plan have separate entitlements.
A closer look
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Frequently asked questions about PolyBackTest
Can I retrieve both UP and DOWN books?
Yes. Full bid/ask depth for both tokens is a core data feature.
Does the AI plan include the Data API?
No. The pricing page explicitly separates them.
Can I query a particular moment?
Yes. Timestamp-based historical queries are documented.
What is the base paid data configuration?
The displayed Pro configuration is $19.90/month for 31-day history at 10 requests/second and 300 requests/minute.