AI-powered trading platform for backtesting, paper trading and live algo trading on US stocks and ETFs
Python algorithmic trading software for backtesting and live trading strategies on your own infrastructure
Stage
Not given
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Founded
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Based in
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US
Pricing model
Freemium
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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
Student (Free with valid .edu email), Starter ($99 one-time), Pro ($249 one-time), Quant ($499 one-time). Optional Maintenance & Community subscription: $10/mo or $100/year.
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
11 built-in technical indicators
Built-in Model Context Protocol (MCP) server for AI assistants
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
Self-hosted infrastructure with source code included — own your software forever with a one-time purchase
Unified backtesting and live-trading engine — same code backtests and trades live
No subscription required for the core product — lifetime license after one-time payment
Your data and keys stay on your machine — no cloud lock-in or third-party data storage
TraderPier
AlgoDeploy