
GammaWalls
GammaFlip
FlashAlpha
ChartGEX
FinViz
Barchart
Celwalls.com
Free real-time Gamma Exposure (GEX) dashboard tracking SPX, SPY & QQQ Call/Put Walls, Zero Gamma Flips, and Dealer Hedging Levels.
LayerStack’s Arm-based cloud virtual machines, powered by cloud-optimized CPU based on Arm architecture that deliver excellent cost-effective processing power, allowing you to easily complete the most demanding application development.

Website, pricing, platforms and company facts side by side.
|
|
LSA
LayerStack Arm-based Cloud Server
|
|
|---|---|---|
| Website | gexhorizon.com | layerstack.com |
| Pricing | — | |
| Platforms | — | |
| Company | 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.

Track Market Maker Positioning in Real-Time GEX Horizon is a free, real-time Gamma Exposure (GEX) analytics platform for options traders who need to see where dealers are positioned — and what they'll be forced to do next. Unlike legacy GEX tools that refresh daily, GEX Horizon delivers...
No description of LayerStack Arm-based Cloud Server yet.
What each product offers, as listed by its team.

Possible disadvantages
An editorial look at what each product does well and who it suits.

Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
How often each product is chosen within a category, 0–100% relative to the other.

As answered by people managing GEX Horizon and LayerStack Arm-based Cloud Server.
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 — 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 — 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 — 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 — free, real-time, and built for the traders who need it most.
Share your experience with using GEX Horizon and LayerStack Arm-based Cloud Server. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.

Enter GEX Horizon. Built from the ground up to solve the latency, cost, and integration problems of legacy platforms, GEX Horizon is quickly emerging as the premier SpotGamma alternative. Below, we break down exactly...
Predicting Market Maker Behavior: If dealers are in a "Positive Gamma" regime, they will hedge by selling into rallies and buying into dips, creating a tight, low-volatility, range-bound market. If they are in a...
We have no reviews of LayerStack Arm-based Cloud Server yet. Be the first one to post
When comparing GEX Horizon and LayerStack Arm-based Cloud Server, you can also consider the following products.

Stop staring at complex GEX heatmaps. GammaWalls scores SPX/ES dealer positioning and wall strength automatically throughout the trading day. $37/mo, cancel anytime.
Compare GammaWalls to GEX Horizon or LayerStack Arm-based Cloud Server:

All five crypto options exchanges in one gamma map, US markets alongside, with alerts, API and AI access, from $39 a month. 3-day free trial.
Compare GammaFlip to GEX Horizon or LayerStack Arm-based Cloud Server:

Real-time options analytics API - Greeks, gamma exposure, SVI vol surfaces for 6,000+ underlyings. Free tier available.
Compare FlashAlpha to GEX Horizon or LayerStack Arm-based Cloud Server:

Options analytics platform that maps dealer gamma exposure, Vanna/Charm flows, and ML-driven directional signals into a single trading dashboard.
Compare ChartGEX to GEX Horizon or LayerStack Arm-based Cloud Server:

Stock screener for investors and traders, financial visualizations.
Compare FinViz to GEX Horizon or LayerStack Arm-based Cloud Server:

Barchart Stocks & Futures app shows a list of stocks on the basis of ranking and performances as compared to other stocks through which you can do a comprehensive research before buying shares of a company to reduce the risk of losing your life savi…
Compare Barchart to GEX Horizon or LayerStack Arm-based Cloud Server: