FAQ

Common questions

What is BackTestable?

BackTestable archives resolved prediction markets—Polymarket and Kalshi—so you can search history, backtest entry rules, and check calibration before you trade. Less vibe, more evidence.

What markets do you cover?

Polymarket and Kalshi historical data: outcomes, price curves, categories, and resolution timestamps. The archive grows with every market that closes.

Who is this for?

Traders who want a gut-check before a bet, strategy builders testing rules on history, and developers who want raw data in their own stack.

How do I get access?

Sign in with credentials from your team, or contact us for early access and API tier pricing.

Is there an API?

Yes—REST for bulk historical data and webhooks for price events. Contact us for API tier access.