VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Monday, October 13, 2025

View PortfoliosLab View Uncle Stock Back to Home

Head-to-head

PortfoliosLab vs Uncle Stock comparison

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

Quick takeaways

PortfoliosLab adds ETF Screeners, Correlation, Stock Comparison, ETF Comparison, Risk Metrics (VaR/ES/Drawdown), Factor Exposure, Quant, and APIs & SDKs coverage that Uncle Stock skips.

Uncle Stock includes Data APIs, Valuation Models, Scores, Checklist, and Education categories that PortfoliosLab omits.

PortfoliosLab highlights: Portfolio analytics and backtesting with benchmarking, monthly returns, and risk-adjusted ratios such as Sharpe, Sortino, Omega, Calmar, and Martin., Optimization models include Mean–Variance (MVO), Risk Parity, and Hierarchical Risk Parity (HRP), with the ability to backtest from a chosen optimization date., and Risk analytics cover drawdowns, Value at Risk (VaR), Expected Shortfall (CVaR), and multiple volatility estimators..

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..

PortfoliosLab

portfolioslab.com

Portfolio analytics platform with screeners, optimizers, and backtesting. The free tier includes 10 years of data and basic calculations. Plus extends coverage to 40+ years and 200 calculations per month, while Pro unlocks unlimited calculations, 500 holdings per portfolio, CSV import/export, and screener exports. Enterprise offers an API, data-feed integration, and white-labeling. Broker sync is not supported; CSV imports are recommended.

Platforms

Web

Pricing

Free

Subscription

Quick highlights

Portfolio analytics and backtesting with benchmarking, monthly returns, and risk-adjusted ratios such as Sharpe, Sortino, Omega, Calmar, and Martin.
Optimization models include Mean–Variance (MVO), Risk Parity, and Hierarchical Risk Parity (HRP), with the ability to backtest from a chosen optimization date.
Risk analytics cover drawdowns, Value at Risk (VaR), Expected Shortfall (CVaR), and multiple volatility estimators.
Comprehensive stock, ETF, and mutual fund screeners with sortable columns, filters, and risk-versus-return scatterplots. Screener results export is available on Pro.
Factor analysis tools for Alpha and Beta measurement.

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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

PortfoliosLab

Distinct strengths include:

Risk Metrics (VaR/ES/Drawdown)

Factor Exposure

Quant

APIs & SDKs

Portfolio analytics and backtesting with benchmarking, monthly returns, and risk-adjusted ratios such as Sharpe, Sortino, Omega, Calmar, and Martin.
Optimization models include Mean–Variance (MVO), Risk Parity, and Hierarchical Risk Parity (HRP), with the ability to backtest from a chosen optimization date.
Risk analytics cover drawdowns, Value at Risk (VaR), Expected Shortfall (CVaR), and multiple volatility estimators.
Comprehensive stock, ETF, and mutual fund screeners with sortable columns, filters, and risk-versus-return scatterplots. Screener results export is available on Pro.

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	PortfoliosLab	Uncle Stock
Categories Which research workflows each platform targets	Shared: Screeners, Portfolio, Watchlist, Backtesting, Financials Unique: ETF Screeners, Correlation, Stock Comparison, ETF Comparison, Risk Metrics (VaR/ES/Drawdown), Factor Exposure, Quant, APIs & SDKs	Shared: Screeners, Portfolio, Watchlist, Backtesting, Financials Unique: Data APIs, Valuation Models, Scores, Checklist, Education
Asset types Supported asset classes and universes	Stocks, ETFs, Mutual Funds, Cryptos	Stocks, Cryptos
Experience levels Who each product is built for	Beginner, Intermediate, Advanced	Intermediate, Advanced
Platforms Where you can access the product	Web	Web, API
Pricing High-level pricing models	Free, Subscription	Free, Subscription
Key features Core capabilities called out by each vendor	Unique Portfolio analytics and backtesting with benchmarking, monthly returns, and risk-adjusted ratios such as Sharpe, Sortino, Omega, Calmar, and Martin. Optimization models include Mean–Variance (MVO), Risk Parity, and Hierarchical Risk Parity (HRP), with the ability to backtest from a chosen optimization date. Risk analytics cover drawdowns, Value at Risk (VaR), Expected Shortfall (CVaR), and multiple volatility estimators. Comprehensive stock, ETF, and mutual fund screeners with sortable columns, filters, and risk-versus-return scatterplots. Screener results export is available on Pro. Factor analysis tools for Alpha and Beta measurement. Support for both static and transactional portfolios with calendar- or threshold-based rebalancing options.	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 PortfoliosLab and Uncle Stock both support?

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

Do PortfoliosLab and Uncle Stock require subscriptions?

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

How can you access PortfoliosLab and Uncle Stock?

Both PortfoliosLab 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?

PortfoliosLab differentiates itself with Portfolio analytics and backtesting with benchmarking, monthly returns, and risk-adjusted ratios such as Sharpe, Sortino, Omega, Calmar, and Martin., Optimization models include Mean–Variance (MVO), Risk Parity, and Hierarchical Risk Parity (HRP), with the ability to backtest from a chosen optimization date., and Risk analytics cover drawdowns, Value at Risk (VaR), Expected Shortfall (CVaR), and multiple volatility estimators., 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..

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