Institutional-grade strategy backtesting. In your browser.
Choose your AI provider
Your key powers strategy analysis and never leaves your browser.
A
Claude
Sonnet 4.6
Anthropic
GPT-4o
gpt-4o
OpenAI
G
Gemini
2.0 Flash
Google
Continue without AI (simulation only)
StratLab
Describe your strategy
Enter any trading idea in the left panel and we will simulate it against real Yahoo Finance historical data.