| What it does | Visual, no-code backtesting and technical analysis platform for US stocks and ETFs
| Volatility data and research tools powered by a market-maker-grade fitting and pricing engine
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| Stage | Startup
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| Founded | 2026
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| Based in | GB
| US
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| Pricing model | Freemium
| Freemium
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| Pricing | Free plan: no card required, no time limit. Premium: $13.99/month or $139.99/year. UK customers billed in pounds: Premium £9.99/month or £99.99/year. 14-day money-back guarantee on first payment.
| 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 | - Over 60 technical indicators on configurable charts
- Visual strategy builder with AND/OR/NOT logic trees, no coding required
- Historical backtesting on 400+ US stocks, ETFs and indices
- Event analysis to find market conditions and measure outcomes
- Automatic detection of 17 classic candlestick patterns
- Replay feature for bar-by-bar chart practice or hidden stock learning
- Five guided courses: Market Foundations, Technical Analysis, Events Analysis, Test Your Strategy and Replicate Published Studies
- 14,000+ US stocks and ETFs with subscriber's own free Tiingo key on Premium
| - 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 | - Educational focus with no trading signals or recommendations, designed to teach users to test claims themselves
- Calculations independently verified against TradingView, TA-Lib and manual implementations
- Built-in Test Bench publishing original research studies with full methodology and negative results published transparently
- No look-ahead bias in backtesting: trades fill only at or after rule-triggering candle close
- User's Tiingo key and data never stored on GU Analyser servers, maintaining privacy
| - 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) | Not checked yet ● no change since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 0 | 0 |
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| Citation Flow (Majestic) | 15 | 0 |
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| Referring domains (Majestic) | 3 | 0 |
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GU Analyser
OptionSpace