| What it does | AI-powered trading platform for backtesting, paper trading and live algo trading on US stocks and ETFs
| Volatility data and research tools powered by a market-maker-grade fitting and pricing engine
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
| US
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| Pricing model | Freemium
| 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
| Free sample plan with no card required. Retail subscription available for individual personal use in the United States with daily limits on API credits. Institutional plans available at contact pricing for any business use with annual licenses invoiced monthly via ACH or wire. Higher-frequency data
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| 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
| - Fitted volatility surfaces with bid-ask-weighted curves across every expiration
- Accounts for American-style options with early exercise, discrete dividends, and implied borrow rates
- One-minute granularity historical data across 140+ symbols spanning 10 years
- Realized volatility calculations from 385 intraday returns per day
- Vol Screener, Vol Premium, Skew Scanner, and Earnings Vol analysis tools
- Historical simulation using actual bid-ask prices and fitted vol surfaces
- Python package for research workflows
- Interactive visual dashboards for surface inspection and event studies
- Model Context Protocol (MCP) integration for AI agent workflows
- Greeks and constant-maturity metrics via API and dashboards
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| 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
| - Arbitrage-free fitted volatility wings extending beyond quoted book using Lee-moment discipline
- Accessible to quantitative researchers and AI workflows through Python, API, and MCP without requiring market-maker infrastructure
- 10 years of consistent historical data at one-minute granularity across 140+ symbols for rigorous backtesting
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 1 ● no change since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 2 | 0 |
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| Citation Flow (Majestic) | 12 | 0 |
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| Referring domains (Majestic) | 8 | 0 |
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