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Composer
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GEX Horizon
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FlashAlpha
GEX Horizon is a free, real-time Gamma Exposure (GEX) analytics platform for options traders who need to see where dealers are positioned โ and what they'll be forced to do next.
Unlike legacy GEX tools that refresh daily, GEX Horizon delivers sub-second WebSocket streaming of net gamma exposure across SPX, SPY, QQQ, NDX, and equities (NVDA, TSLA, AAPL, MSFT, IWM).
When market makers are long gamma, they trade against the trend โ buying dips, selling rallies โ suppressing volatility. When short gamma, they chase momentum โ buying highs, selling lows โ accelerating moves. Knowing which regime you're in is the most actionable market structure data available.
| Tier | What You Get |
|---|---|
| Free | Real-time GEX, call/put walls, zero gamma flip for SPX, SPY, QQQ |
| Pro | Tick-level data, vanna, volume-profile GEX, more underlyings |
| Institutional | Full API, custom underlyings, bulk exports, dedicated support |
See the flow. Anticipate the hedge. Trade the structure.
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GEX Horizon's answer:
GEX Horizon is the only free platform that delivers real-time, sub-second gamma exposure data via WebSocket streaming. Most GEX tools update once daily โ we update with every options trade. Key differentiators:
GEX Horizon's answer:
GEX Horizon's answer:
GEX Horizon's answer:
GEX Horizon was built out of frustration with the status quo in options analytics. Institutional traders have always had access to real-time gamma exposure data โ it's fundamental to understanding market maker behavior and intraday volatility regimes. Yet the tools available to most traders were either:
We believed that every trader deserves to see where the dealers are positioned โ in real-time, without a paywall. So we built the WebSocket infrastructure, the real-time GEX computation engine, and the intuitive dashboards that make institutional-grade options market microstructure data accessible to everyone. The result is GEX Horizon โ free, real-time, and built for the traders who need it most.
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React Native hit the best balance for speed and product quality. Its official docs still position it around building native apps with React, and the project continues shipping frequent releases and improvements to the New Architecture. (React Native). - Source: dev.to / 4 months ago
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