FlashAlpha
flashalpha.com
An options analytics API for dealer gamma, delta, vanna and charm exposure and volatility surfaces, with SDKs, an MCP server and a small free tier.
What it is
FlashAlpha computes options exposure metrics and serves them mainly through a REST API, with a web dashboard, WebSocket streaming for larger clients and an MCP server for AI assistants. The core outputs are per-strike gamma (GEX), delta (DEX), vanna (VEX) and charm (CHEX) exposure, Greeks, implied volatility, max pain and 3D volatility surfaces. It covers more than 6,000 US equities and ETFs plus CME futures such as ES and NQ, with minute-level historical replay back to January 2017.
The plans are built around daily request counts, data freshness and which symbols you can query. The free plan gives 5 requests a day on 15-minute-old data for single stocks only. Basic ($79 a month, or $63 on annual billing) raises that to 250 requests on 15-second data and adds index ETFs such as SPY and QQQ. Growth adds CME futures, full-chain GEX, 0DTE analytics and a 20-symbol live screener. Alpha removes request caps, refreshes about every second and includes the historical API.
This is a developer product first. If you want to look at gamma levels without writing code, the dashboard helps, but the pricing and limits are set by API usage. Historical backtesting data is only in the top retail tier.
Key features
- Exposure metrics
- Per-strike GEX, DEX, VEX and CHEX that estimate dealer hedging pressure; single-expiry GEX on the free plan, full-chain from Growth.
- Volatility analytics
- Implied volatility, skew, term structure and 3D volatility surfaces; SVI-fitted surfaces on the Alpha plan.
- Coverage
- 6,000+ US equities and ETFs, indexes such as SPX, VIX and RUT on paid plans, and CME futures (ES, NQ, RTY, YM) from Growth up.
- SDKs and MCP server
- Official SDKs for Python, JavaScript, C#, Go and Java, and an MCP server for Claude, Cursor and similar AI tools.
- Historical API
- Minute-level replay back to 2017 for backtesting, included on the Alpha plan.
- Screeners and flow
- A live screener (20 symbols on Growth, about 250 on Alpha), flow analytics and, on Alpha, a raw flow tape and unusual flow signals.
Pricing
| Plan | Price | What you get |
|---|---|---|
| Free | $0 | 5 requests/day, 15-minute delay, single stocks only, single-expiry GEX and Greeks |
| Basic | $79/mo or $63/mo billed annually | 250 requests/day, 15-second data, index ETFs and indexes, DEX/VEX/CHEX, SDKs |
| Growth | $299/mo or $239/mo billed annually | 2,500 requests/day, CME futures, full-chain GEX, 0DTE analytics, 20-symbol live screener |
| Alpha | $1,499/mo | Unlimited requests, about 1-second data, historical API since 2017, SVI surfaces, raw flow tape, SLA |
Annual billing takes 20% off. Commercial tiers start at $2,500/mo (Professional) and $4,500/mo (Streaming); Enterprise is by quote. The homepage quotes Alpha from $1,199/mo, which appears to be the annual rate.
Free option: Five API requests a day on 15-minute-delayed data for individual stocks (no index ETFs), covering single-expiry GEX, Black-Scholes Greeks, an IV calculator and stock quotes. No credit card required.
Checked September 25, 2026 on flashalpha.com. Prices change; confirm on the provider's site before you subscribe.
Strengths
- Vanna and charm exposure alongside gamma and delta, not just GEX
- SDKs in five languages and an MCP server for AI assistants
- CME futures exposure on the Growth plan
- Minute-level history back to 2017 for backtesting on Alpha
Limitations
- The free plan's 5 requests a day and single-stock limit rule out SPY or SPX work
- Index ETFs need at least Basic, futures need Growth at $299 a month
- Historical data and the full flow tape are only in the $1,499 Alpha plan
- Exposure figures are model estimates of dealer positioning, not observed dealer books
Good fit for
- Developers building their own gamma-exposure dashboards or bots
- Quant traders who want dealer-positioning data through an API
- Futures traders tracking ES and NQ options exposure
Look elsewhere if
- Traders who want a ready-made flow feed without writing code
- Beginners who only need occasional GEX levels (free charts elsewhere may be enough)
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FlashAlpha questions
Is FlashAlpha free?
There is a free plan with 5 API requests a day on 15-minute-delayed data for individual stocks. Paid plans start at $79 a month, or $63 a month billed annually.
Does FlashAlpha cover SPX and SPY?
Yes, but not on the free plan. Index ETFs and indexes such as SPY, QQQ, SPX and VIX start with the Basic plan.
Does FlashAlpha have historical options data?
Yes, minute-level replay back to 2017 through its historical API, included on the Alpha plan.
What programming languages does FlashAlpha support?
It has official SDKs for Python, JavaScript, C#, Go and Java, plus a plain REST API and an MCP server.
Written from FlashAlpha's own website and documentation. All Trading Tools lists and compares tools; it does not recommend trades or give financial advice. Sources: flashalpha.com, flashalpha.com/pricing.