
Foam
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GammaWalls
FlashAlpha
GEX Horizon
ChartGEX
OptionCharts.io
Coinglass
Barchart
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.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | github.surf | gammaflip.io |
| Pricing | ||
| Platforms | — | |
| Company | — | Startup from Portugal |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of GitHub Surf yet.
GammaFlip shows where options dealers' gamma sits for crypto and US markets, so you can see the price levels where hedging flows tend to dampen or accelerate moves. Crypto coverage combines open interest from Deribit, Bybit, OKX, Derive and Binance for BTC, ETH, SOL, XRP and HYPE. You can...
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
No analysis of GammaFlip yet.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using GitHub Surf and GammaFlip. For example, how are they different and which one is better?
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Personal knowledge management and sharing on VSCode & GitHub
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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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