ZeroSigma vs SPY 0DTE GEX
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ZeroSigma
This app provides real-time options analytics for traders, focusing on dealer positioning and market structure. It tracks key exposure metrics and strike-level positioning to help understand potential price influences. The mobile interface offers a fast and focused way to monitor market data on the go.
- Real-time exposure metrics
- Strike-level positioning insights
- SPX/SPY dealer positioning
- Fast mobile interface
- Secure account access
- Options flow and volume tracking
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ZerσSigma is a real-time options analytics platform built for traders who want to understand dealer positioning and market structure. Track key exposure metrics across SPX, SPY, QQQ, and NDX, with explicit 0DTE and 1DTE views designed to separate today's positioning from the next expiration. Explore gamma exposure, delta exposure, vanna, charm, higher-order Greeks, volume, GEX Flow, and Dealer Directional Open Interest at the strike level. Switch between Normal and Delta-Adjusted gamma views and examine how positioning changes across strikes and expirations. ZerσSigma Mobile provides a fast, focused interface for monitoring market structure wherever you trade. Features: • SPX, SPY, QQQ, and NDX coverage • 0DTE and 1DTE positioning • Gamma Exposure with Norm and Δ-Adj views • Delta, Vanna, Charm, Theta, Speed, Vomma, and Zomma exposure • Dealer Directional Open Interest (DDOI) • GEX Flow and options volume • Strike-level positioning analysis • Real-time market data and exposure updates • Secure account-based access Create an account in the app to get started. Premium access requires an auto-renewable subscription. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/?utm_source=chatgpt.com Privacy Policy: https://zerosigma.co/privacy?utm_source=chatgpt.com
SPY 0DTE GEX
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SPY 0DTE GEX puts institutional-grade gamma exposure analysis on your phone, refreshed every 15 minutes during market hours. WHAT YOU GET • Live SPY 0DTE levels — pin magnet, zero gamma, call wall, put wall, and max pain, updated every 15 minutes from real options-chain data. • Per-strike GEX chart — see exactly where dealer gamma concentrates, in net, absolute, calls-only, or puts-only view. • Intraday levels chart — watch how each level moves across the session, in timeline or single-day view, on a chart that scales to your phone in landscape. • Session history — pin-hit rate, average range, and a full log of past sessions. • Advanced metrics — max pain, expected move, net delta exposure, put/call ratio, IV skew, vanna, and charm. • Custom push alerts — build your own rules: price crossing a level, a bias or gamma-zone flip, or sentiment past a threshold. Alerts fire even when the app is closed. WHO IT'S FOR Options traders who watch 0DTE gamma positioning and want the same signals the desktop tool gives, without opening a browser. SUBSCRIPTION SPY 0DTE GEX Pro unlocks the full app: live levels, the GEX chart, session history, and unlimited custom alerts. • Pro Monthly — $19.99/month, 7-day free trial • Pro Yearly — $149.99/year, 7-day free trial Payment is charged to your Apple ID at confirmation of purchase. Subscriptions auto-renew unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your Apple ID account settings. IMPORTANT SPY 0DTE GEX is an informational and educational tool. It is not investment advice, and Nexcod Srl is not a registered investment advisor. Options trading carries substantial risk. Always do your own research before trading. Terms of Use: https://trendystocks.trade/spy-0dte-gex-terms.html Privacy Policy: https://trendystocks.trade/spy-0dte-gex-privacy.html
Screenshots
Verdict
ZeroSigma and SPY 0DTE GEX are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. ZeroSigma sells 2 in-app purchases, starting at $79.00 per month and SPY 0DTE GEX sells 2 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | ZeroSigma | SPY 0DTE GEX |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Monthly | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.1 — better | 16.4 |
| Further details — not scored | ||
| Size | 31 MB | 50 MB |
| Age rating | 4+ | 4+ |
| Developer | ZeroSigma | Nexcod Srl |
In-app purchases
ZeroSigma
- ZeroSigma Premium$79.001 Month
- ZeroSigma Premium$699.001 Year
SPY 0DTE GEX
- Pro Monthly7 Days trial$19.991 Month
- Pro Yearly7 Days trial$149.991 Year
Questions
Is ZeroSigma free?
Is SPY 0DTE GEX free?
Do ZeroSigma or SPY 0DTE GEX have ads?
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