Prospero.ai adds Stock Ideas, ETF Screeners, Watchlist, Market Sentiment, Dark Pool & Off-Exchange, Scores, Education, and Newsletters coverage that SpotGamma skips.
VOL. XCIV, NO. 247
★ FINANCIAL TOOLS & SERVICES DIRECTORY ★
PRICE: 5 CENTS
Sunday, October 19, 2025
Head-to-head
Prospero.ai vs SpotGamma comparison
Compare pricing, supported platforms, categories, and standout capabilities to decide which tool fits your workflow.
Quick takeaways
SpotGamma includes Courses & Certs categories that Prospero.ai omits.
Prospero.ai highlights: Ten proprietary signals: 5 short-term (Options/Social/Institutional/Dark Pool/Short Pressure) and 5 long-term (Upside/Downside Breakout, Profitability, Growth, Market Similarity)., Short-term Net Options Sentiment updates ~every 2–5 minutes (real‑time orientation)., and Daily Screener & ‘Our Picks’ lists to surface candidates quickly for different horizons (long/short, short‑term/long‑term)..
SpotGamma is known for: HIRO Indicator: see options activity and estimated hedging impact in real time—down to the second., Equity Hub: proprietary key levels, buy/sell indicators, and alerts across 3,500+ stocks & indices., and Volatility Dashboard: analyze IV across strikes/expirations; identify extremes/mispricing..
Prospero.ai has a free tier, while SpotGamma requires a paid plan.
Prospero.ai ships a mobile app. SpotGamma is web/desktop only.
Prospero.ai
prospero.ai
Mobile-first AI signals app for U.S. stocks & ETFs. Offers 10 proprietary signals (5 short-term: Net Options Sentiment, Net Social Sentiment, Net Institutional Flow, Dark Pool, Short Pressure; 5 long-term: Upside/Downside Breakout, Profitability, Growth, Market Similarity), plus a Daily Screener, ‘Our Picks’, watchlists, and notifications. No broker sync, public API, or advanced options greeks/IV surfaces are documented.
Categories
Platforms
Mobile
Pricing
Free
Quick highlights
- Ten proprietary signals: 5 short-term (Options/Social/Institutional/Dark Pool/Short Pressure) and 5 long-term (Upside/Downside Breakout, Profitability, Growth, Market Similarity).
- Short-term Net Options Sentiment updates ~every 2–5 minutes (real‑time orientation).
- Daily Screener & ‘Our Picks’ lists to surface candidates quickly for different horizons (long/short, short‑term/long‑term).
- Mobile apps on iOS and Android with watchlists and in‑app notifications.
- Education hub with plain‑English signal docs plus investing/trading newsletters (Substack).
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SpotGamma
spotgamma.com
Options‑market microstructure & dealer‑positioning analytics. Core modules: Equity Hub (key levels for 3,500+ US stocks/ETFs), HIRO real‑time options‑flow indicator (down‑to‑the‑second), an S&P 500 heatmap (TRACE), a Volatility Dashboard, FlowPatrol unusual flow insights, plus Compass & Scanners for setups. Widely used by intraday/index traders; integrates with TradingView, Bookmap, NinjaTrader, Sierra Chart, Thinkorswim, and more. No public API disclosed.
Platforms
Web
Pricing
Subscription
Quick highlights
- HIRO Indicator: see options activity and estimated hedging impact in real time—down to the second.
- Equity Hub: proprietary key levels, buy/sell indicators, and alerts across 3,500+ stocks & indices.
- Volatility Dashboard: analyze IV across strikes/expirations; identify extremes/mispricing.
- TRACE Heatmap: S&P 500 real‑time support/resistance & volatility zones.
- 0DTE volume/open‑interest indicator; delta, vanna & gamma modeling for indices.
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Overlap
Shared focus areas
5 overlapsMutual strengths include Screeners, Data Visualizations, and Options & Derivatives plus 2 more areas.
Where they differ
Prospero.ai
Distinct strengths include:
- Ten proprietary signals: 5 short-term (Options/Social/Institutional/Dark Pool/Short Pressure) and 5 long-term (Upside/Downside Breakout, Profitability, Growth, Market Similarity).
- Short-term Net Options Sentiment updates ~every 2–5 minutes (real‑time orientation).
- Daily Screener & ‘Our Picks’ lists to surface candidates quickly for different horizons (long/short, short‑term/long‑term).
- Mobile apps on iOS and Android with watchlists and in‑app notifications.
SpotGamma
Distinct strengths include:
- HIRO Indicator: see options activity and estimated hedging impact in real time—down to the second.
- Equity Hub: proprietary key levels, buy/sell indicators, and alerts across 3,500+ stocks & indices.
- Volatility Dashboard: analyze IV across strikes/expirations; identify extremes/mispricing.
- TRACE Heatmap: S&P 500 real‑time support/resistance & volatility zones.
Feature-by-feature breakdown
| Attribute | Prospero.ai | SpotGamma |
|---|---|---|
Categories Which research workflows each platform targets | Shared: Screeners, Data Visualizations, Options & Derivatives, Alerts, Blogs Unique: Stock Ideas, ETF Screeners, Watchlist, Market Sentiment, Dark Pool & Off-Exchange, Scores, Education, Newsletters | Shared: Screeners, Data Visualizations, Options & Derivatives, Alerts, Blogs Unique: Courses & Certs |
Asset types Supported asset classes and universes | Stocks, ETFs | Stocks, ETFs, Options |
Experience levels Who each product is built for | Beginner, Intermediate | Intermediate, Advanced |
Platforms Where you can access the product | Mobile | Web |
Pricing High-level pricing models | Free | Subscription |
Key features Core capabilities called out by each vendor | Unique
| Unique
|
Tested Verified by hands-on testing inside Find My Moat | Not yet | Not yet |
Editor pick Featured inside curated shortlists | Standard listing | Standard listing |
Frequently Asked Questions
Which workflows do Prospero.ai and SpotGamma both support?
Both platforms cover Screeners, Data Visualizations, Options & Derivatives, Alerts, and Blogs workflows, so you can research those use cases in either tool before digging into the feature differences below.
Which tool offers a free plan?
Prospero.ai offers a free entry point, while SpotGamma requires a paid subscription. Review the pricing table to see how the paid tiers compare.
Which tool has mobile access?
Prospero.ai ships a dedicated mobile experience, while SpotGamma focuses on web or desktop access.
What unique strengths set the two platforms apart?
Prospero.ai differentiates itself with Ten proprietary signals: 5 short-term (Options/Social/Institutional/Dark Pool/Short Pressure) and 5 long-term (Upside/Downside Breakout, Profitability, Growth, Market Similarity)., Short-term Net Options Sentiment updates ~every 2–5 minutes (real‑time orientation)., and Daily Screener & ‘Our Picks’ lists to surface candidates quickly for different horizons (long/short, short‑term/long‑term)., whereas SpotGamma stands out for HIRO Indicator: see options activity and estimated hedging impact in real time—down to the second., Equity Hub: proprietary key levels, buy/sell indicators, and alerts across 3,500+ stocks & indices., and Volatility Dashboard: analyze IV across strikes/expirations; identify extremes/mispricing..
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Curation & Accuracy
This directory blends AI‑assisted discovery with human curation. Entries are reviewed, edited, and organized with the goal of expanding coverage and sharpening quality over time. Your feedback helps steer improvements (because no single human can capture everything all at once).
Details change. Pricing, features, and availability may be incomplete or out of date. Treat listings as a starting point and verify on the provider’s site before making decisions. If you spot an error or a gap, send a quick note and I’ll adjust.