Deja vs SPY 0DTE GEX
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Deja
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Have you ever looked at a stock chart and thought, "I have seen this pattern before"? Deja finds historical charts that match your current pattern and shows you what happened next. Deja scans thousands of historical price patterns across stocks and crypto to find the ones most similar to the chart you are looking at right now. Then it tells you, with real statistics, how those similar patterns played out -- whether prices went up or down, and by how much. CORE FEATURES -- Pattern Matching Engine Deja identifies similar historical chart patterns across NASDAQ, NYSE, and crypto markets. Each match includes a similarity score so you know how closely it resembles the current chart. -- Statistical Predictions For each set of matched patterns, Deja calculates 1-day and 5-day predictions including win rate, maximum gain, maximum loss, IQR range, and median outcomes. No guesswork -- just data. -- Interactive Comparison Charts Overlay the current chart with any historical match to visually compare how patterns align. Switch between line and OHLC views. See exactly where the "similar part" is and what happened after. -- Customizable TP/SL Levels Set your Take Profit and Stop Loss using the metric that fits your trading style -- Max, Min, IQR bounds, or Median values. The chart updates in real time to show your selected levels. -- Live Price Data Real-time price updates via WebSocket with historical data merged seamlessly. Watch the current pattern develop as it happens. -- Multi-Market Coverage Browse and analyze charts from NASDAQ, NYSE, NYSE-ARCA, and major cryptocurrency pairs. HOW TO USE 1. Select a market category and symbol 2. View the live candlestick chart with prediction overlays 3. Scroll down to see the full statistical analysis 4. Explore individual similar chart matches 5. Use the data to inform your trading decisions Deja does not predict the future. It shows you what historically happened when similar patterns appeared. Use this information as one input in your trading analysis. Download Deja and start making data-driven trading decisions.
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 โข Live SPY 0DTE levels โ pin magnet, zero gamma, call wall, put wall, and max pain, updated every 15 minutes from real options-chain data. โข Per-strike GEX chart โ see exactly where dealer gamma concentrates, in net, absolute, calls-only, or puts-only view. โข Intraday levels chart โ watch how each level moves across the session, in timeline or single-day view, on a chart that scales to your phone in landscape. โข Session history โ pin-hit rate, average range, and a full log of past sessions. โข Advanced metrics โ max pain, expected move, net delta exposure, put/call ratio, IV skew, vanna, and charm. โข Custom push alerts โ 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. โข Pro Monthly โ $19.99/month, 7-day free trial โข Pro Yearly โ $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
The clearest difference is in-app purchases: Deja at none against SPY 0DTE GEX's 2. Deja also leads on update cadence (every 4 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. SPY 0DTE GEX sells 2 in-app purchases, starting at $19.99 per month. Deja asks for nothing beyond the download.
Deja ships an update every 4 days, SPY 0DTE GEX every 2 months. The most recent releases landed on October 28, 2026 and October 23, 2026 respectively.
| Parameter | Deja | SPY 0DTE GEX |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 days โ better | Every 2 months |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Devices | iPhone, iPad, iPod โ better | iPhone, iPad |
| Requires iOS | 15.0 โ better | 16.4 |
| Further details โ not scored | ||
| Size | 73 MB | 46 MB |
| Age rating | 4+ | 4+ |
| Developer | JUHWAN LEE | Nexcod |
In-app purchases
Deja
No in-app purchases
SPY 0DTE GEX
- Pro Monthly7 Days trial$19.991 Month
- Pro Yearly7 Days trial$149.991 Year









