VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Sunday, October 19, 2025

View Earnings Whispers View Prospero.ai Home My Collections

Head-to-head

Earnings Whispers vs Prospero.ai comparison

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

Quick takeaways

Earnings Whispers adds Calendar, News, Management Guidance, and Short Interest coverage that Prospero.ai skips.

Prospero.ai includes ETF Screeners, Alerts, Dark Pool & Off-Exchange, Education, and Blogs categories that Earnings Whispers omits.

Earnings Whispers highlights: Detailed earnings calendar with implied volatility, average price move data, sentiment heat maps, and multi-view charts., The Whisper Report®: weekly macro, technical, and company-level analysis published ahead of earnings., and Earnings Whisper Grade, a proprietary A+ to F rating that estimates the likelihood of post-earnings drift (PEAD) over 91 days..

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 Earnings Whispers skips.

Earnings Whispers

earningswhispers.com

A long-standing platform (founded in 1998) best known for its proprietary earnings sentiment data and predictive tools. Free members get weekly earnings calendars, daily summaries, and a personal watchlist. Paid Investor Services add the Whisper Report, expanded earnings calendar with implied volatility and average move data, sentiment heat maps, downloads, and more. Trader Service goes further with trading ideas, scores, ratings, and option tools, with a two-week free trial available. Investor pricing is listed at $49.95/month or $499.95/year.

Platforms

Web

Pricing

Free

Subscription

Quick highlights

Detailed earnings calendar with implied volatility, average price move data, sentiment heat maps, and multi-view charts.
The Whisper Report®: weekly macro, technical, and company-level analysis published ahead of earnings.
Earnings Whisper Grade, a proprietary A+ to F rating that estimates the likelihood of post-earnings drift (PEAD) over 91 days.
Investor tools include an Earnings Screener, Guidance and Reaction pages, and a Short Report with a focus on short interest.
Trader Service adds advanced features: Earnings Whisper Plays, Scores, Power Ratings, Whisperings™, option trade ideas, volatility and activity screens, as well as setup and reversal signals.

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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

8 overlaps

Mutual strengths include Market Sentiment, Screeners, and Watchlist plus 5 more areas.

Where they differ

Earnings Whispers

Distinct strengths include:

Detailed earnings calendar with implied volatility, average price move data, sentiment heat maps, and multi-view charts.
The Whisper Report®: weekly macro, technical, and company-level analysis published ahead of earnings.
Earnings Whisper Grade, a proprietary A+ to F rating that estimates the likelihood of post-earnings drift (PEAD) over 91 days.
Investor tools include an Earnings Screener, Guidance and Reaction pages, and a Short Report with a focus on short interest.

Prospero.ai

Distinct strengths include:

ETF Screeners

Alerts

Dark Pool & Off-Exchange

Education

Blogs

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	Earnings Whispers	Prospero.ai
Categories Which research workflows each platform targets	Shared: Market Sentiment, Screeners, Watchlist, Scores, Stock Ideas, Options & Derivatives, Newsletters, Data Visualizations Unique: Calendar, News, Management Guidance, Short Interest	Shared: Market Sentiment, Screeners, Watchlist, Scores, Stock Ideas, Options & Derivatives, Newsletters, Data Visualizations Unique: ETF Screeners, Alerts, Dark Pool & Off-Exchange, Education, Blogs
Asset types Supported asset classes and universes	Stocks, ETFs, Options	Stocks, ETFs
Experience levels Who each product is built for	Beginner, Intermediate, Advanced	Beginner, Intermediate
Platforms Where you can access the product	Web	Mobile
Pricing High-level pricing models	Free, Subscription	Free
Key features Core capabilities called out by each vendor	Unique Detailed earnings calendar with implied volatility, average price move data, sentiment heat maps, and multi-view charts. The Whisper Report®: weekly macro, technical, and company-level analysis published ahead of earnings. Earnings Whisper Grade, a proprietary A+ to F rating that estimates the likelihood of post-earnings drift (PEAD) over 91 days. Investor tools include an Earnings Screener, Guidance and Reaction pages, and a Short Report with a focus on short interest. Trader Service adds advanced features: Earnings Whisper Plays, Scores, Power Ratings, Whisperings™, option trade ideas, volatility and activity screens, as well as setup and reversal signals. Free members receive weekly earnings calendars by email, daily market summaries, and watchlist functionality.	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	Not yet	Not yet
Editor pick Featured inside curated shortlists	Standard listing	Standard listing

Frequently Asked Questions

Which workflows do Earnings Whispers and Prospero.ai both support?

Both platforms cover Market Sentiment, Screeners, Watchlist, Scores, Stock Ideas, Options & Derivatives, Newsletters, and Data Visualizations workflows, so you can research those use cases in either tool before digging into the feature differences below.

Do Earnings Whispers and Prospero.ai require subscriptions?

Both Earnings Whispers 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 Earnings Whispers focuses on web or desktop access.

What unique strengths set the two platforms apart?

Earnings Whispers differentiates itself with Detailed earnings calendar with implied volatility, average price move data, sentiment heat maps, and multi-view charts., The Whisper Report®: weekly macro, technical, and company-level analysis published ahead of earnings., and Earnings Whisper Grade, a proprietary A+ to F rating that estimates the likelihood of post-earnings drift (PEAD) over 91 days., 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

Browse the categories and profiles that overlap most with this comparison to round out your shortlist.