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Cloud-hosted real-time GEX map SaaS for retail traders
A web-based gamma exposure mapping tool that provides near real-time GEX levels, call/put walls, and gamma flip data for major indices and stocks. It targets non-technical retail traders who currently pay high fees for delayed data or struggle with local open-source setups.
Why this matters
You are a retail day trader who relies on gamma exposure levels to gauge market direction, but you face a frustrating choice. You can either pay sixty dollars a month for a service that lags fifteen minutes behind real-time data, rendering it nearly useless for fast intraday moves, or you can attempt to run an open-source Python tool that requires technical setup with batch files and API keys. You want a simple, affordable, web-based dashboard that shows real-time call walls, put walls, and gamma flips without the hassle of local installation or the cost of delayed premium services.
- · Built for Non-technical retail day traders who use options flow and gamma exposure data for intraday trading decisions.
- · Most likely monetization: SaaS subscription (freemium with delayed data free, real-time paid).
The Pain · Narrative
You are a retail day trader who relies on gamma exposure levels to gauge market direction, but you face a frustrating choice. You can either pay sixty dollars a month for a service that lags fifteen minutes behind real-time data, rendering it nearly useless for fast intraday moves, or you can attempt to run an open-source Python tool that requires technical setup with batch files and API keys. You want a simple, affordable, web-based dashboard that shows real-time call walls, put walls, and gamma flips without the hassle of local installation or the cost of delayed premium services.
Score Breakdown
Market Signal
Go-to-Market
Active retail options day traders who currently use gamma exposure data but are frustrated by latency or technical barriers
~50K active globally
Organic posts in day trading communities
$29/month
25 paying users within 30 days of launch
MVP Scope · 1–2 weeks
- Set up Python backend with Alpaca and Cboe API integration for SPY and SPX
- Build core GEX calculation engine (net gamma by strike, call/put walls, gamma flip)
- Create simple REST API endpoint returning JSON GEX data for a given ticker
- Design basic web dashboard wireframe showing GEX bar chart and key levels
- Deploy backend to a cloud server (AWS/GCP/DigitalOcean)
- Build React frontend consuming the GEX API and rendering interactive bar chart
- Add index-to-futures conversion toggle (SPX to /ES, NDX to /NQ)
- Implement 60-second auto-refresh mechanism via WebSocket or polling
- Integrate Stripe for subscription management with free tier (delayed) and paid tier (real-time)
- Add gamma regime indicator (positive/negative) and launch to initial beta users
Differentiation
Why This Might Fail
Self-rebuttal — the most important trust signal
- 1Free API rate limits (Alpaca/Cboe) may be insufficient for concurrent multi-user access, forcing expensive paid data licenses that erode margins
- 2Open-source alternatives may quickly add a hosted cloud version, undercutting the paid offering with a free or donation-based model
- 3Traders may sign up but churn quickly if they cannot translate the GEX data into profitable trades, leading to high cancellation rates
Evidence Summary
How AI synthesized this insight — no verbatim quotes
Multiple commenters expressed willingness to pay for gamma exposure data, with one user explicitly stating they currently pay $60 monthly for a service with 15-minute delays. Another user asked about a paid version for less technically savvy individuals, indicating that the open-source local installation approach is a barrier. The original poster noted that levels are often posted without verification tools, confirming the need for accessible, real-time GEX visualization.
Action Plan
Validate this opportunity before writing code
Recommended Next Step
Build
Strong demand signals detected. Real pain, real willingness to pay — start building an MVP.
Landing Page Copy Kit
Ready-to-paste copy based on real Reddit community language — no editing required
Headline
Cloud-hosted real-time GEX map SaaS for retail traders
Sub-headline
A web-based gamma exposure mapping tool that provides near real-time GEX levels, call/put walls, and gamma flip data for major indices and stocks. It targets non-technical retail traders who currently pay high fees for delayed data or struggle with local open-source setups.
Who It's For
For Non-technical retail day traders who use options flow and gamma exposure data for intraday trading decisions
Feature List
✓ Real-time GEX visualization (60s refresh) ✓ Call/put wall and gamma flip indicators ✓ Index-to-futures level conversion (SPX to /ES) ✓ User-friendly web dashboard requiring no installation ✓ Price regime indicator (positive vs negative gamma)
Where to Validate
Share your landing page in r/r/Daytrading — that's exactly where these pain points were discovered.
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