VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Sunday, October 19, 2025

View CatalystWire View Unusual Whales Home My Collections

Head-to-head

CatalystWire vs Unusual Whales comparison

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

Quick takeaways

CatalystWire adds Regulatory Filings Monitoring coverage that Unusual Whales skips.

Unusual Whales includes Screeners, Options & Derivatives, Portfolio, Paper Trading, Dark Pool & Off-Exchange, Alerts, US Government Trades, Insider Data, 13F, APIs & SDKs, Data APIs, Education, Calendar, and Dividends categories that CatalystWire omits.

CatalystWire highlights: AI scanning of hundreds of RNS announcements per day to surface potential catalysts., Real‑time classification of market‑moving events as they are released., and UK‑centric focus aligned to LSE’s Regulatory News Service (Main Market & AIM)..

Unusual Whales is known for: Live options flow across all US options exchanges, with a status indicator so you know the feed is healthy., Dark-pool tape plus ‘Dark Pool Levels’ to surface recent prints and ticker-specific liquidity zones., and Options and stock screeners with filters for premium, volume, open interest, IV rank, and common technicals..

Unusual Whales keeps a free entry point that CatalystWire lacks.

Unusual Whales offers mobile access, which CatalystWire skips.

CatalystWire

catalystwire.co

RNS-first discovery tool for UK equities. Uses AI to scan and categorize London Stock Exchange RNS announcements in real time (e.g., management changes, turnarounds). Best suited to event‑driven and small/mid‑cap investors tracking UK market catalysts. Public docs do not show a pricing table or API; fields left intentionally minimal pending vendor confirmation.

Platforms

Web

Pricing

Subscription

Quick highlights

AI scanning of hundreds of RNS announcements per day to surface potential catalysts.
Real‑time classification of market‑moving events as they are released.
UK‑centric focus aligned to LSE’s Regulatory News Service (Main Market & AIM).

Community votes (overall)

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Unusual Whales

unusualwhales.com

Editor’s pick Hands-on review

Real-time options flow and dark-pool analytics built for active traders. Free plans view delayed data; paid tiers stream live flow, with annual plans unlocking data downloads. The public API is sold separately, and “Periscope” (market-wide SPX exposure) is available as an add-on.

Platforms

Web

Mobile

API

Pricing

Free

Subscription

Quick highlights

Live options flow across all US options exchanges, with a status indicator so you know the feed is healthy.
Dark-pool tape plus ‘Dark Pool Levels’ to surface recent prints and ticker-specific liquidity zones.
Options and stock screeners with filters for premium, volume, open interest, IV rank, and common technicals.
Options Profit Calculator to model multi-leg strategies, Greeks, and payoff P/L.
Paper trading for both stocks and options to test ideas without risk.

Community votes (overall)

0% upvotes 0% downvotes

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Overlap

Shared focus areas

1 overlap

Both tools cover this research theme.

News

Where they differ

CatalystWire

Distinct strengths include:

Regulatory Filings Monitoring

AI scanning of hundreds of RNS announcements per day to surface potential catalysts.
Real‑time classification of market‑moving events as they are released.
UK‑centric focus aligned to LSE’s Regulatory News Service (Main Market & AIM).

Unusual Whales

Distinct strengths include:

Screeners

Options & Derivatives

Portfolio

Paper Trading

Dark Pool & Off-Exchange

Alerts

US Government Trades

Insider Data

Live options flow across all US options exchanges, with a status indicator so you know the feed is healthy.
Dark-pool tape plus ‘Dark Pool Levels’ to surface recent prints and ticker-specific liquidity zones.
Options and stock screeners with filters for premium, volume, open interest, IV rank, and common technicals.
Options Profit Calculator to model multi-leg strategies, Greeks, and payoff P/L.

Feature-by-feature breakdown

Attribute	CatalystWire	Unusual Whales
Categories Which research workflows each platform targets	Shared: News Unique: Regulatory Filings Monitoring	Shared: News Unique: Screeners, Options & Derivatives, Portfolio, Paper Trading, Dark Pool & Off-Exchange, Alerts, US Government Trades, Insider Data, 13F, APIs & SDKs, Data APIs, Education, Calendar, Dividends
Asset types Supported asset classes and universes	Stocks	Stocks, ETFs, Options
Experience levels Who each product is built for	Intermediate, Advanced	Beginner, Intermediate, Advanced
Platforms Where you can access the product	Web	Web, Mobile, API
Pricing High-level pricing models	Subscription	Free, Subscription
Key features Core capabilities called out by each vendor	Unique AI scanning of hundreds of RNS announcements per day to surface potential catalysts. Real‑time classification of market‑moving events as they are released. UK‑centric focus aligned to LSE’s Regulatory News Service (Main Market & AIM).	Unique Live options flow across all US options exchanges, with a status indicator so you know the feed is healthy. Dark-pool tape plus ‘Dark Pool Levels’ to surface recent prints and ticker-specific liquidity zones. Options and stock screeners with filters for premium, volume, open interest, IV rank, and common technicals. Options Profit Calculator to model multi-leg strategies, Greeks, and payoff P/L. Paper trading for both stocks and options to test ideas without risk. Portfolio Manager with broker linking for IBKR, tastytrade, Fidelity, and Robinhood.
Tested Verified by hands-on testing inside Find My Moat	Not yet	Yes
Editor pick Featured inside curated shortlists	Standard listing	Highlighted

Frequently Asked Questions

Which workflows do CatalystWire and Unusual Whales both support?

Both platforms cover News workflows, so you can research those use cases in either tool before digging into the feature differences below.

Which tool offers a free plan?

Unusual Whales offers a free entry point, while CatalystWire requires a paid subscription. Review the pricing table to see how the paid tiers compare.

Which tool has mobile access?

Unusual Whales ships a dedicated mobile experience, while CatalystWire focuses on web or desktop access.

What unique strengths set the two platforms apart?

CatalystWire differentiates itself with AI scanning of hundreds of RNS announcements per day to surface potential catalysts., Real‑time classification of market‑moving events as they are released., and UK‑centric focus aligned to LSE’s Regulatory News Service (Main Market & AIM)., whereas Unusual Whales stands out for Live options flow across all US options exchanges, with a status indicator so you know the feed is healthy., Dark-pool tape plus ‘Dark Pool Levels’ to surface recent prints and ticker-specific liquidity zones., and Options and stock screeners with filters for premium, volume, open interest, IV rank, and common technicals..

Keep exploring

Stay on top of related tools

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