VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Sunday, October 5, 2025

View FINVIZView Unusual WhalesBack to Home

Head-to-head

FINVIZ vs Unusual Whales comparison

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

Quick takeaways

FINVIZ adds Data Visualizations, Watchlist, Backtesting, Financials, ETF Overview, ETF Holdings, Short Interest, and Options coverage that Unusual Whales skips.

Unusual Whales includes Options & Derivatives, Paper Trading, Dark Pool & Off-Exchange, US Government Trades, APIs & SDKs, Education, Calendar, and Dividends categories that FINVIZ omits.

FINVIZ highlights: Coverage focused on U.S. equities (NYSE, Nasdaq, Amex). Free data delayed 15–20 minutes; Elite adds real-time plus pre- and after-hours trading sessions., Stock screener supports both fundamental and technical filters. Elite expands functionality with 20+ additional filters and raises saved presets from 50 to 200., and Visualization tools include Heat Maps and Groups, with real-time updates for Elite users..

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 offers mobile access, which FINVIZ skips.

FINVIZ logo

FINVIZ

finviz.com

Editor’s pick Hands-on review

A popular stock screener and charting platform best known for its heat maps, visualization tools, and simple interface. The Free tier is ad-supported with delayed U.S. market data, while FINVIZ Elite unlocks real-time quotes (including pre- and after-hours), intraday chart layouts, backtesting, ETF full-holdings, exports and APIs, alerts, and larger portfolio/watchlist limits. Coverage is U.S. equities only. Elite includes a 7-day free trial with no credit card required.

Platforms

Web
API

Pricing

Free
Subscription

Quick highlights

  • Coverage focused on U.S. equities (NYSE, Nasdaq, Amex). Free data delayed 15–20 minutes; Elite adds real-time plus pre- and after-hours trading sessions.
  • Stock screener supports both fundamental and technical filters. Elite expands functionality with 20+ additional filters and raises saved presets from 50 to 200.
  • Visualization tools include Heat Maps and Groups, with real-time updates for Elite users.
  • Portfolio and watchlist management with email and push alerts for price changes, news, ratings, insider activity, and SEC filings. Elite increases limits to 100 portfolios and 500 tickers per portfolio.
  • ETF research with full holdings breakdown, plus structural and performance metrics (Elite only).

Community votes (overall)

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Unusual Whales logo

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)

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Overlap

Shared focus areas

7 overlaps

Mutual strengths include Screeners, Portfolio, and News plus 4 more areas.

Where they differ

FINVIZ

Distinct strengths include:

Data Visualizations
Watchlist
Backtesting
Financials
ETF Overview
ETF Holdings
Short Interest
Options
  • Coverage focused on U.S. equities (NYSE, Nasdaq, Amex). Free data delayed 15–20 minutes; Elite adds real-time plus pre- and after-hours trading sessions.
  • Stock screener supports both fundamental and technical filters. Elite expands functionality with 20+ additional filters and raises saved presets from 50 to 200.
  • Visualization tools include Heat Maps and Groups, with real-time updates for Elite users.
  • Portfolio and watchlist management with email and push alerts for price changes, news, ratings, insider activity, and SEC filings. Elite increases limits to 100 portfolios and 500 tickers per portfolio.

Unusual Whales

Distinct strengths include:

Options & Derivatives
Paper Trading
Dark Pool & Off-Exchange
US Government Trades
APIs & SDKs
Education
Calendar
Dividends
  • 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

AttributeFINVIZUnusual Whales
Categories

Which research workflows each platform targets

Shared: Screeners, Portfolio, News, Alerts, Data APIs, Insider Data, 13F

Unique: Data Visualizations, Watchlist, Backtesting, Financials, ETF Overview, ETF Holdings, Short Interest, Options

Shared: Screeners, Portfolio, News, Alerts, Data APIs, Insider Data, 13F

Unique: Options & Derivatives, Paper Trading, Dark Pool & Off-Exchange, US Government Trades, APIs & SDKs, Education, Calendar, Dividends

Asset types

Supported asset classes and universes

Stocks, ETFs, Options, Futures, Currencies, Cryptos

Stocks, ETFs, Options

Experience levels

Who each product is built for

Beginner, Intermediate, Advanced

Beginner, Intermediate, Advanced

Platforms

Where you can access the product

Web, API

Web, Mobile, API

Pricing

High-level pricing models

Free, Subscription

Free, Subscription

Key features

Core capabilities called out by each vendor

Unique

  • Coverage focused on U.S. equities (NYSE, Nasdaq, Amex). Free data delayed 15–20 minutes; Elite adds real-time plus pre- and after-hours trading sessions.
  • Stock screener supports both fundamental and technical filters. Elite expands functionality with 20+ additional filters and raises saved presets from 50 to 200.
  • Visualization tools include Heat Maps and Groups, with real-time updates for Elite users.
  • Portfolio and watchlist management with email and push alerts for price changes, news, ratings, insider activity, and SEC filings. Elite increases limits to 100 portfolios and 500 tickers per portfolio.
  • ETF research with full holdings breakdown, plus structural and performance metrics (Elite only).
  • Exports and APIs for Screener, Portfolios, Groups, Options Chains, and News; sample code available for Google Sheets, Python, and JavaScript (Elite).

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

Yes

Yes

Editor pick

Featured inside curated shortlists

Highlighted

Highlighted

Frequently Asked Questions

Which workflows do FINVIZ and Unusual Whales both support?

Both platforms cover Screeners, Portfolio, News, Alerts, Data APIs, Insider Data, and 13F workflows, so you can research those use cases in either tool before digging into the feature differences below.

Do FINVIZ and Unusual Whales require subscriptions?

Both FINVIZ and Unusual Whales keep freemium access with optional paid upgrades, so you can trial each platform before committing.

Which tool has mobile access?

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

What unique strengths set the two platforms apart?

FINVIZ differentiates itself with Coverage focused on U.S. equities (NYSE, Nasdaq, Amex). Free data delayed 15–20 minutes; Elite adds real-time plus pre- and after-hours trading sessions., Stock screener supports both fundamental and technical filters. Elite expands functionality with 20+ additional filters and raises saved presets from 50 to 200., and Visualization tools include Heat Maps and Groups, with real-time updates for Elite users., 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

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

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.