AI-powered trading platform for backtesting, paper trading and live algo trading on US stocks and ETFs
Alternative data and AI for smarter stock investing
Stage
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Founded
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Based in
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Pricing model
Freemium
Freemium
Pricing
Free plan (no time limit, no card required): replay, trading journal, backtests and paper trading. Trader: $29/month or $290/year includes Spyglass AI (up to 30 messages/day), unlimited replays, overfitting checks. Quant: $79/month or $790/year adds live trading, 75 Spyglass messages/day, unlimited
Platform: Starter $29/month or $199/year (save $149); Pro $99/month or $499/year (save $689). API: Hobbyist $19/month or $120/year (save $108); Developer $79/month or $480/year (save $468); Research $199/month or $1,200/year (save $1,188); Enterprise custom pricing.
Key features
Spyglass AI: describe any setup or indicator and it builds and tests the strategy
Market replay to practice trading past market days without risking money
Trading journal to import, replay and analyze your trades
Backtesting with overfitting checks to validate strategies on historical data
Paper trading to deploy strategies risk-free against live market data
Live trading with broker connection and risk controls
Dead Man's Switch to close positions if browser stops responding
No coding required; builds strategies from natural language descriptions
Access to 11,511 US stocks and ETFs
Portfolio analytics including expectancy, MAE, MFE and performance attribution
Portfolio AI scoring from 0-100 for each holding
Real-time stock alerts on alternative data signals
AI-powered stock picks updated daily
AI chat analyst for portfolio questions
Autopilot rules-based portfolio copying
Stock screener with filters and export
Mobile app with push notifications and sync
API and MCP server for AI tools integration
Portfolio leaderboard ranking system
Market news and research insights
What makes it different
AI builds strategies from plain language without any coding needed
Complete workflow from practice to live trading in one platform
Overfitting checks built in to every strategy test
Replay any past trade on the chart to learn from it
Free plan with no time limit and no card required
Analyzes alternative data that hedge funds pay millions for
61% win rate across AI stock picks
Portfolio import from any brokerage with just a screenshot
AI answers grounded in real data, never made-up numbers
TraderPier
AltIndex