
GammaWalls
GEX Horizon
Barchart
GammaFlip
ChartGEX
FinViz
PremiumGuardHQ
Real-time options analytics API - Greeks, gamma exposure, SVI vol surfaces for 6,000+ underlyings. Free tier available.
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.
Which is more popular?
Based on our record, FlashAlpha seems to be more popular. It has been mentioned 2 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | flashalpha.com | layerstack.com |
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| Company | Startup from Cyprus · 2026 | — |
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In their own words, as submitted to SaaSHub.

FlashAlpha is a real-time options analytics API for quant traders and developers. It computes gamma exposure (GEX), delta/vanna/charm exposure, SVI-calibrated volatility surfaces, and full Black-Scholes Greeks for 6,000+ US equities and ETFs. Delivered via REST API with a Python SDK. Free tier...
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Recommendations tracked on public social media and blogs since March 2021.

I built FlashAlpha for this. GET https://lab.flashalpha.com/v1/vrp/{symbol} returns ATM IV, four matched RV windows (5d, 10d, 20d, 30d) using Yang-Zhang, the VRP for each, rolling z-score and percentile, put-call directional... - Source: dev.to / 6 months ago
FlashAlpha's Historical API changes that. The contract is simple: every live analytics endpoint, replayable at any minute since 2018-04-16, returned in the same response shape. One query parameter — at — and you get what GEX, DEX, VEX,... - Source: dev.to / 7 months ago
Tracking LayerStack Arm-based Cloud Server since Jun 2024.
When comparing FlashAlpha 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.
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Free real-time Gamma Exposure (GEX) dashboard tracking SPX, SPY & QQQ Call/Put Walls, Zero Gamma Flips, and Dealer Hedging Levels.
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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…
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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.
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Options analytics platform that maps dealer gamma exposure, Vanna/Charm flows, and ML-driven directional signals into a single trading dashboard.
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Stock screener for investors and traders, financial visualizations.
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