VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Sunday, October 19, 2025

View Danelfin View Prospero.ai Home My Collections

Head-to-head

Danelfin vs Prospero.ai comparison

Compare pricing, supported platforms, categories, and standout capabilities to decide which tool fits your workflow.

Quick takeaways

Danelfin adds Portfolio, ETF Overview, and Data APIs coverage that Prospero.ai skips.

Prospero.ai includes ETF Screeners, Data Visualizations, Options & Derivatives, Market Sentiment, Dark Pool & Off-Exchange, Education, Blogs, and Newsletters categories that Danelfin omits.

Danelfin highlights: AI Score (1–10) estimates the probability of a stock or ETF outperforming the market over the next three months, based on daily analysis of ~10,000 features per stock across technical, fundamental, and sentiment data., Coverage includes U.S.-listed stocks and ETFs as well as STOXX 600 European stocks, with historical daily AI Scores available since 2017., and REST API with API key authentication and JSON output. Endpoints include rankings, filters (date, ticker, sector, industry, asset type), buy/sell track record filters, and sector/industry breakdowns..

Prospero.ai is known for: 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)..

Prospero.ai offers mobile access, which Danelfin skips.

Danelfin

danelfin.com

Hands-on review

AI-driven scoring and ranking platform for U.S.-listed stocks, ETFs, and the STOXX 600 in Europe. Offers Free, Plus, and Pro web tiers alongside API-only plans. Historical daily AI Scores are available back to 2017 for Pro/API users. Scores refresh end-of-day, typically about 15 hours after the U.S. close. CSV export and JSON API access are plan-gated.

Platforms

Web

API

Pricing

Free

Subscription

Quick highlights

AI Score (1–10) estimates the probability of a stock or ETF outperforming the market over the next three months, based on daily analysis of ~10,000 features per stock across technical, fundamental, and sentiment data.
Coverage includes U.S.-listed stocks and ETFs as well as STOXX 600 European stocks, with historical daily AI Scores available since 2017.
REST API with API key authentication and JSON output. Endpoints include rankings, filters (date, ticker, sector, industry, asset type), buy/sell track record filters, and sector/industry breakdowns.
API plans (Basic, Expert, Elite) differ by monthly call quotas and rate limits — ranging from 1,000 to 50,000 calls per month.
Web tiers: Free, Plus, and Pro. Plus unlocks unlimited rankings and reports, while Pro adds CSV export of scores and indicators, historical AI Scores since 2017, alpha signals, trading parameters, and price forecasts (1M/3M/6M horizons).

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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.

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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Overlap

Shared focus areas

5 overlaps

Mutual strengths include Stock Ideas, Screeners, and Watchlist plus 2 more areas.

Where they differ

Danelfin

Distinct strengths include:

Portfolio

ETF Overview

Data APIs

AI Score (1–10) estimates the probability of a stock or ETF outperforming the market over the next three months, based on daily analysis of ~10,000 features per stock across technical, fundamental, and sentiment data.
Coverage includes U.S.-listed stocks and ETFs as well as STOXX 600 European stocks, with historical daily AI Scores available since 2017.
REST API with API key authentication and JSON output. Endpoints include rankings, filters (date, ticker, sector, industry, asset type), buy/sell track record filters, and sector/industry breakdowns.
API plans (Basic, Expert, Elite) differ by monthly call quotas and rate limits — ranging from 1,000 to 50,000 calls per month.

Prospero.ai

Distinct strengths include:

ETF Screeners

Data Visualizations

Options & Derivatives

Market Sentiment

Dark Pool & Off-Exchange

Education

Blogs

Newsletters

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.

Feature-by-feature breakdown

Attribute	Danelfin	Prospero.ai
Categories Which research workflows each platform targets	Shared: Stock Ideas, Screeners, Watchlist, Alerts, Scores Unique: Portfolio, ETF Overview, Data APIs	Shared: Stock Ideas, Screeners, Watchlist, Alerts, Scores Unique: ETF Screeners, Data Visualizations, Options & Derivatives, Market Sentiment, Dark Pool & Off-Exchange, Education, Blogs, Newsletters
Asset types Supported asset classes and universes	Stocks, ETFs	Stocks, ETFs
Experience levels Who each product is built for	Beginner, Intermediate, Advanced	Beginner, Intermediate
Platforms Where you can access the product	Web, API	Mobile
Pricing High-level pricing models	Free, Subscription	Free
Key features Core capabilities called out by each vendor	Unique AI Score (1–10) estimates the probability of a stock or ETF outperforming the market over the next three months, based on daily analysis of ~10,000 features per stock across technical, fundamental, and sentiment data. Coverage includes U.S.-listed stocks and ETFs as well as STOXX 600 European stocks, with historical daily AI Scores available since 2017. REST API with API key authentication and JSON output. Endpoints include rankings, filters (date, ticker, sector, industry, asset type), buy/sell track record filters, and sector/industry breakdowns. API plans (Basic, Expert, Elite) differ by monthly call quotas and rate limits — ranging from 1,000 to 50,000 calls per month. Web tiers: Free, Plus, and Pro. Plus unlocks unlimited rankings and reports, while Pro adds CSV export of scores and indicators, historical AI Scores since 2017, alpha signals, trading parameters, and price forecasts (1M/3M/6M horizons). Portfolio management with daily email alerts on score upgrades or downgrades. Free users get one small portfolio; Plus supports multiple portfolios of up to 30 holdings each; Pro allows unlimited portfolios and holdings.	Unique 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).
Tested Verified by hands-on testing inside Find My Moat	Yes	Not yet
Editor pick Featured inside curated shortlists	Standard listing	Standard listing

Frequently Asked Questions

Which workflows do Danelfin and Prospero.ai both support?

Both platforms cover Stock Ideas, Screeners, Watchlist, Alerts, and Scores workflows, so you can research those use cases in either tool before digging into the feature differences below.

Do Danelfin and Prospero.ai require subscriptions?

Both Danelfin and Prospero.ai keep freemium access with optional paid upgrades, so you can trial each platform before committing.

Which tool has mobile access?

Prospero.ai ships a dedicated mobile experience, while Danelfin focuses on web or desktop access.

What unique strengths set the two platforms apart?

Danelfin differentiates itself with AI Score (1–10) estimates the probability of a stock or ETF outperforming the market over the next three months, based on daily analysis of ~10,000 features per stock across technical, fundamental, and sentiment data., Coverage includes U.S.-listed stocks and ETFs as well as STOXX 600 European stocks, with historical daily AI Scores available since 2017., and REST API with API key authentication and JSON output. Endpoints include rankings, filters (date, ticker, sector, industry, asset type), buy/sell track record filters, and sector/industry breakdowns., whereas Prospero.ai stands out for 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)..

Keep exploring

Stay on top of related tools

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