Coinfetti — free crypto paper trading & honest backtests
Coinfetti is free crypto paper trading and strategy backtesting: test crypto trading strategies against real market data with no wallet, no exchange account, and no risk. Most backtests lie — we show you the hyped version and the reality-checked version so you can tell the difference.
How it works
- Pick a starter strategy or describe your own in plain English — AI drafts it.
- We run it against real crypto market data and correct for the tricks that inflate backtests.
- You see the hyped result next to the reality-checked one, with a clear verdict.
Frequently asked questions
Is Coinfetti free?
Yes. Coinfetti's free tier lets you backtest and paper trade crypto strategies at no cost — no credit card, wallet, or exchange account required.
What is crypto paper trading?
Paper trading means testing a trading strategy with simulated money against real market data. Coinfetti runs your strategy on real historical crypto prices so you can see how it would have performed without risking anything.
Do I need a crypto wallet or exchange account?
No. Coinfetti uses keyless market data — you can test strategies on 15 major crypto pairs without connecting a wallet, an exchange, or an API key.
How is Coinfetti different from other crypto backtesting tools?
Every result shows two numbers: the hyped version and the reality-checked version, corrected for trading costs, out-of-sample decay, and the multiple-comparison tricks that make most backtests look better than they are.
Which cryptocurrencies can I test?
15 major pairs including Bitcoin (BTC) and Ethereum (ETH), with ready-made starter strategies, a public leaderboard, and an AI builder that turns a plain-English idea into a testable strategy.
Coinfetti is a ProveHouse LLC company. Simulated results are past performance, not predictions.