VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Monday, October 13, 2025

View ETF Action View Uncle Stock Back to Home

Head-to-head

ETF Action vs Uncle Stock comparison

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

Quick takeaways

ETF Action adds ETF Overview, ETF Performance, ETF Holdings, ETF Fundamentals, ETF Valuation, ETF Factors, ETF Overlap, Data Visualizations, 13F, Alerts, Blogs, and Videos coverage that Uncle Stock skips.

Uncle Stock includes Financials, Valuation Models, Scores, Checklist, and Education categories that ETF Action omits.

ETF Action highlights: Global ETF ‘Channels’ taxonomy with category reports and dashboards (Size & Style US/Global, Region & Country, Sector & Industry, Thematic, Fixed Income, Non‑Traditional, Commodities, Crypto)., Look‑through analytics on fund holdings for factor/style, sector/industry, country, concentration; portfolio overlap analysis across funds or entire models., and Flows & trading dashboards (volumes/ADV); flows noted as T+1 timing in daily updates..

Uncle Stock is known for: Screening with ~4k searchable metrics, full‑text business/industry search, market/country/sector filters, and index‑constituent filters., Backtesting with annual/half‑year/quarterly rebalance, look‑ahead avoidance (uses only data known at rebalance time), position sizing (equal/volatility/expectation‑weighted), early‑sell rules (profit targets, stop loss), and risk stats (Sharpe/Sortino)., and Transparent composite scores (e.g., Uncle Stock score, Quality/Value/Financial‑Health) plus Piotroski, ERP5, Benish M, Montier and more—formulas publicly documented..

ETF Action

etfaction.com

Independent ETF analytics platform for advisors and asset managers. Offers global ETF classification, look‑through holdings analytics, overlap analysis, flows/volumes with T+1 flow timing, live quotes (FMV) via Polygon.io, model portfolio tools, 13F screening (Advisor Pro), and enterprise options including API access. DIY/Advisor Pro plans emphasize self‑service research and Excel/CSV downloads; Enterprise adds collaboration, custom dashboards, and API. A separate Model Builder plan enables model uploads and ‘Bridge’ trading integration. API details are not publicly documented—confirm endpoints and auth with vendor.

Platforms

Web

API

Pricing

Free

Subscription

Quick highlights

Global ETF ‘Channels’ taxonomy with category reports and dashboards (Size & Style US/Global, Region & Country, Sector & Industry, Thematic, Fixed Income, Non‑Traditional, Commodities, Crypto).
Look‑through analytics on fund holdings for factor/style, sector/industry, country, concentration; portfolio overlap analysis across funds or entire models.
Flows & trading dashboards (volumes/ADV); flows noted as T+1 timing in daily updates.
Live pricing on platform pages via Polygon.io FMV quotes (real‑time-ish indicative).
Screeners for ETFs; watchlists; data exports to Excel/CSV (DIY 50 rows, Advisor Pro 500 rows).

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Uncle Stock

unclestock.com

Global, fundamentals‑first stock screener with detailed metrics and built‑in backtesting. Covers 60k+ stocks across all continents with up to ~35 years of US history (20 years elsewhere). US fundamentals from Sharadar; non‑US fundamentals and price history from EOD Historical Data. Prices are delayed; Nasdaq shows prior‑day when market is open. API access (Gold) delivers CSV/JSON with explicit rate limits.

Platforms

Web

API

Pricing

Free

Subscription

Quick highlights

Screening with ~4k searchable metrics, full‑text business/industry search, market/country/sector filters, and index‑constituent filters.
Backtesting with annual/half‑year/quarterly rebalance, look‑ahead avoidance (uses only data known at rebalance time), position sizing (equal/volatility/expectation‑weighted), early‑sell rules (profit targets, stop loss), and risk stats (Sharpe/Sortino).
Transparent composite scores (e.g., Uncle Stock score, Quality/Value/Financial‑Health) plus Piotroski, ERP5, Benish M, Montier and more—formulas publicly documented.
Benchmarking vs S&P 500/other indices; industry medians and long‑history fundamentals.
Lightweight portfolio: positions, limits & email notifications (Gold).

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Overlap

Shared focus areas

5 overlaps

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

Where they differ

ETF Action

Distinct strengths include:

Global ETF ‘Channels’ taxonomy with category reports and dashboards (Size & Style US/Global, Region & Country, Sector & Industry, Thematic, Fixed Income, Non‑Traditional, Commodities, Crypto).
Look‑through analytics on fund holdings for factor/style, sector/industry, country, concentration; portfolio overlap analysis across funds or entire models.
Flows & trading dashboards (volumes/ADV); flows noted as T+1 timing in daily updates.
Live pricing on platform pages via Polygon.io FMV quotes (real‑time-ish indicative).

Uncle Stock

Distinct strengths include:

Screening with ~4k searchable metrics, full‑text business/industry search, market/country/sector filters, and index‑constituent filters.
Backtesting with annual/half‑year/quarterly rebalance, look‑ahead avoidance (uses only data known at rebalance time), position sizing (equal/volatility/expectation‑weighted), early‑sell rules (profit targets, stop loss), and risk stats (Sharpe/Sortino).
Transparent composite scores (e.g., Uncle Stock score, Quality/Value/Financial‑Health) plus Piotroski, ERP5, Benish M, Montier and more—formulas publicly documented.
Benchmarking vs S&P 500/other indices; industry medians and long‑history fundamentals.

Feature-by-feature breakdown

Attribute	ETF Action	Uncle Stock
Categories Which research workflows each platform targets	Shared: Screeners, Portfolio, Watchlist, Backtesting, Data APIs Unique: ETF Overview, ETF Performance, ETF Holdings, ETF Fundamentals, ETF Valuation, ETF Factors, ETF Overlap, Data Visualizations, 13F, Alerts, Blogs, Videos	Shared: Screeners, Portfolio, Watchlist, Backtesting, Data APIs Unique: Financials, Valuation Models, Scores, Checklist, Education
Asset types Supported asset classes and universes	ETFs, Stocks	Stocks, Cryptos
Experience levels Who each product is built for	Beginner, Intermediate, Advanced	Intermediate, Advanced
Platforms Where you can access the product	Web, API	Web, API
Pricing High-level pricing models	Free, Subscription	Free, Subscription
Key features Core capabilities called out by each vendor	Unique Global ETF ‘Channels’ taxonomy with category reports and dashboards (Size & Style US/Global, Region & Country, Sector & Industry, Thematic, Fixed Income, Non‑Traditional, Commodities, Crypto). Look‑through analytics on fund holdings for factor/style, sector/industry, country, concentration; portfolio overlap analysis across funds or entire models. Flows & trading dashboards (volumes/ADV); flows noted as T+1 timing in daily updates. Live pricing on platform pages via Polygon.io FMV quotes (real‑time-ish indicative). Screeners for ETFs; watchlists; data exports to Excel/CSV (DIY 50 rows, Advisor Pro 500 rows). Model portfolio creation & back‑testing; private model marketplaces for advisors/strategists.	Unique Screening with ~4k searchable metrics, full‑text business/industry search, market/country/sector filters, and index‑constituent filters. Backtesting with annual/half‑year/quarterly rebalance, look‑ahead avoidance (uses only data known at rebalance time), position sizing (equal/volatility/expectation‑weighted), early‑sell rules (profit targets, stop loss), and risk stats (Sharpe/Sortino). Transparent composite scores (e.g., Uncle Stock score, Quality/Value/Financial‑Health) plus Piotroski, ERP5, Benish M, Montier and more—formulas publicly documented. Benchmarking vs S&P 500/other indices; industry medians and long‑history fundamentals. Lightweight portfolio: positions, limits & email notifications (Gold). API (Gold): CSV/JSON endpoints for symbols, universes, indicators, saved queries, stock history; monthly cap 300 calls and 1 request/minute.
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 ETF Action and Uncle Stock both support?

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

Do ETF Action and Uncle Stock require subscriptions?

Both ETF Action and Uncle Stock keep freemium access with optional paid upgrades, so you can trial each platform before committing.

How can you access ETF Action and Uncle Stock?

Both ETF Action and Uncle Stock prioritize web or desktop access. Investors wanting a mobile-first workflow may need to rely on responsive web views.

What unique strengths set the two platforms apart?

ETF Action differentiates itself with Global ETF ‘Channels’ taxonomy with category reports and dashboards (Size & Style US/Global, Region & Country, Sector & Industry, Thematic, Fixed Income, Non‑Traditional, Commodities, Crypto)., Look‑through analytics on fund holdings for factor/style, sector/industry, country, concentration; portfolio overlap analysis across funds or entire models., and Flows & trading dashboards (volumes/ADV); flows noted as T+1 timing in daily updates., whereas Uncle Stock stands out for Screening with ~4k searchable metrics, full‑text business/industry search, market/country/sector filters, and index‑constituent filters., Backtesting with annual/half‑year/quarterly rebalance, look‑ahead avoidance (uses only data known at rebalance time), position sizing (equal/volatility/expectation‑weighted), early‑sell rules (profit targets, stop loss), and risk stats (Sharpe/Sortino)., and Transparent composite scores (e.g., Uncle Stock score, Quality/Value/Financial‑Health) plus Piotroski, ERP5, Benish M, Montier and more—formulas publicly documented..

Keep exploring

Stay on top of related tools

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