FlashAlpha

FlashAlpha is a pre-computed options analytics API for quant developers and systematic traders. We deliver live GEX (gamma exposure), volatility surfaces, dealer exposure, IV rank, and all 15 Greeks across 6,000+ US equities and ETFs — updated every 15 seconds via REST API. Built for developers who want the analytics layer, not the raw data. One API call returns what would otherwise take hours of computation. Free tier available with no credit card required. SDKs for Python, JavaScript, C#, Go, and Java.

FlashAlpha is an options analytics API that provides real-time gamma exposure, delta, vanna and charm exposure, and volatility surfaces for over 6,000 US equities and ETFs as well as CME futures. It includes minute-level historical replay data since 2017, helping users make informed trading decisions by granting them access to vital market analytics without relying on in-house infrastructure. Users sign up to create an account and receive an API key for immediate access. They can query the API for real-time data about options and market metrics using various endpoints. Integrations with AI assistants are supported, enabling automated querying. The data is processed in real-time, and users can also backtest strategies using historical data via dedicated endpoints. FlashAlpha is designed for quantitative researchers, traders, and fund desks who require high-fidelity real-time options data and advanced analytics tools. Its offerings are particularly appealing to those who need to backtest trading strategies and integrate analytics into their automated trading systems.