Strategy OS for AI-assisted systematic trading on Hyperliquid
AI-powered trading platform for backtesting, paper trading and live algo trading on US stocks and ETFs
Stage
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Founded
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Based in
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Pricing model
Freemium
Freemium
Pricing
Not given
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
Key features
Typed strategy language with validation
Portfolio backtesting in seconds
Multi-asset strategy building with 218 components
Live trading on Hyperliquid with user-controlled account
Same code for backtest and live execution
Real-time position and trade visibility
AI-assisted strategy composition and validation
Strategy versioning and component pinning
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
What makes it different
Prevents backtesting errors through typed strategy language
Deterministic execution: backtest and live trading produce identical results
Non-custodial: strategies run on user's own account
AI writes strategies but not executes trades
Validates time alignment and prevents common timing mistakes
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
TraderPier