VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Sunday, December 7, 2025

Tool Comparison

BeyondSPX vs Portfolio123 comparison

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

Quick takeaways

BeyondSPX adds Stock Ideas, Stock Comparison, AI, Newsletters, Education, News, and Watchlist coverage that Portfolio123 skips.

Portfolio123 includes Quant, Backtesting, Portfolio, Correlation, APIs & SDKs, Data APIs, Broker Connectors, and Data Visualizations categories that BeyondSPX omits.

In depth comparison

BeyondSPX

beyondspx.com

Hands-on review

Semantic stock-discovery and research platform focused on the U.S. equity universe. Users can describe the type of companies they want (e.g., ‘profitable robotics companies’ or ‘stocks with strong pricing power’) and the AI screener returns matching stocks from a library of research reports. Coverage spans 5,000+ US-traded stocks, including microcaps, nanocaps, and OTC names, with detailed fundamentals, narrative analysis, category taxonomy, and a weekly ‘Investment Themes of the Week’ newsletter. The core web app is free to use as of late 2025.

Platforms

Web

Pricing

Free

Quick highlights

AI-powered natural‑language stock screener: type a thesis like “profitable companies with quantum computing exposure” or “stocks benefiting from reshoring trends” and get matching companies with links to full analysis.
Semantic discovery on the homepage and dedicated ‘AI Stock Screener’ page that searches across BeyondSPX’s research corpus on 5,000+ US stocks, including microcaps, nanocaps, and OTC tickers.
Dedicated stock pages combining quote data (15‑min delayed IEX prices), key valuation multiples, growth metrics, profitability, balance sheet strength, and cash‑flow metrics in one dashboard.
Thematic company write‑ups with structured sections like Growth Outlook, Profitability, Competitive Moat, Financial Health, Valuation, and Returns to Shareholders, plus full long‑form research reports.
Peer and category context via ‘Explore Other Stocks In…’ and peer valuation sections that group each stock into detailed business categories (e.g., Construction & Engineering, Wound Care Devices, 5G Infrastructure).

Community votes (overall)

0% upvotes 0% downvotes

You haven't voted yet

View full profile Visit site

Portfolio123

portfolio123.com

Editor’s pick Hands-on review

Quant research and live-deployment platform with point-in-time fundamentals and estimates. Users can screen, backtest, and simulate strategies, then deploy them live with broker integrations. Supports API access and a no-code desktop DataMiner. FactSet or S&P Compustat licenses are required for full historical fundamentals.

Platforms

WebDesktopAPI

Pricing

FreeSubscription

Quick highlights

Build custom multi-factor ranking systems and rank stocks by universe, sector, or industry.
Spreadsheet-style screening with formulas (including Piotroski F-Score) across current and historical data.
Backtesting with realistic assumptions for slippage, commissions, buy/sell rules, position sizing, and hedging.
‘Books’ feature to combine multiple strategies and view correlations between them.
Point-in-time fundamentals, estimates, and corporate actions with dividends handled on ex/pay dates (no survivorship bias or look-ahead).

Community votes (overall)

0% upvotes 0% downvotes

You haven't voted yet

View full profile Visit site

Where they differ

BeyondSPX

Distinct strengths include:

Stock Ideas Stock Comparison AI Newsletters Education News Watchlist

AI-powered natural‑language stock screener: type a thesis like “profitable companies with quantum computing exposure” or “stocks benefiting from reshoring trends” and get matching companies with links to full analysis.
Semantic discovery on the homepage and dedicated ‘AI Stock Screener’ page that searches across BeyondSPX’s research corpus on 5,000+ US stocks, including microcaps, nanocaps, and OTC tickers.
Dedicated stock pages combining quote data (15‑min delayed IEX prices), key valuation multiples, growth metrics, profitability, balance sheet strength, and cash‑flow metrics in one dashboard.
Thematic company write‑ups with structured sections like Growth Outlook, Profitability, Competitive Moat, Financial Health, Valuation, and Returns to Shareholders, plus full long‑form research reports.

Portfolio123

Distinct strengths include:

Quant Backtesting Portfolio Correlation APIs & SDKs Data APIs Broker Connectors Data Visualizations

Build custom multi-factor ranking systems and rank stocks by universe, sector, or industry.
Spreadsheet-style screening with formulas (including Piotroski F-Score) across current and historical data.
Backtesting with realistic assumptions for slippage, commissions, buy/sell rules, position sizing, and hedging.
‘Books’ feature to combine multiple strategies and view correlations between them.

Feature-by-feature breakdown

Attribute	BeyondSPX	Portfolio123
Categories Which research workflows each platform targets	Shared: Screeners, Calendar Unique: Stock Ideas, Stock Comparison, AI, Newsletters, Education, News, Watchlist	Shared: Screeners, Calendar Unique: Quant, Backtesting, Portfolio, Correlation, APIs & SDKs, Data APIs, Broker Connectors, Data Visualizations
Asset types Supported asset classes and universes	Stocks	Stocks, ETFs
Experience levels Who each product is built for	Beginner, Intermediate, Advanced	Beginner, Intermediate, Advanced
Platforms Where you can access the product	Web	Web, Desktop, API
Pricing High-level pricing models	Free	Free, Subscription
Key features Core capabilities called out by each vendor	Unique AI-powered natural‑language stock screener: type a thesis like “profitable companies with quantum computing exposure” or “stocks benefiting from reshoring trends” and get matching companies with links to full analysis. Semantic discovery on the homepage and dedicated ‘AI Stock Screener’ page that searches across BeyondSPX’s research corpus on 5,000+ US stocks, including microcaps, nanocaps, and OTC tickers. Dedicated stock pages combining quote data (15‑min delayed IEX prices), key valuation multiples, growth metrics, profitability, balance sheet strength, and cash‑flow metrics in one dashboard. Thematic company write‑ups with structured sections like Growth Outlook, Profitability, Competitive Moat, Financial Health, Valuation, and Returns to Shareholders, plus full long‑form research reports. Peer and category context via ‘Explore Other Stocks In…’ and peer valuation sections that group each stock into detailed business categories (e.g., Construction & Engineering, Wound Care Devices, 5G Infrastructure). ‘Category Movers’ page showing top gaining and losing business categories by one‑day performance, plus a market heatmap where tile size reflects market cap and color reflects performance.	Unique Build custom multi-factor ranking systems and rank stocks by universe, sector, or industry. Spreadsheet-style screening with formulas (including Piotroski F-Score) across current and historical data. Backtesting with realistic assumptions for slippage, commissions, buy/sell rules, position sizing, and hedging. ‘Books’ feature to combine multiple strategies and view correlations between them. Point-in-time fundamentals, estimates, and corporate actions with dividends handled on ex/pay dates (no survivorship bias or look-ahead). Coverage of 15,000+ equities in the U.S., Canada, and Europe, including delisted stocks and spinoffs.
Tested Verified by hands-on testing inside Find My Moat	Yes	Yes
Editor pick Featured inside curated shortlists	Standard listing	Highlighted

Frequently Asked Questions

Which workflows do BeyondSPX and Portfolio123 both support?

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

Do BeyondSPX and Portfolio123 require subscriptions?

Both BeyondSPX and Portfolio123 keep freemium access with optional paid upgrades, so you can trial each platform before committing.

How can you access BeyondSPX and Portfolio123?

Both BeyondSPX and Portfolio123 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?

BeyondSPX differentiates itself with AI-powered natural‑language stock screener: type a thesis like “profitable companies with quantum computing exposure” or “stocks benefiting from reshoring trends” and get matching companies with links to full analysis., Semantic discovery on the homepage and dedicated ‘AI Stock Screener’ page that searches across BeyondSPX’s research corpus on 5,000+ US stocks, including microcaps, nanocaps, and OTC tickers., and Dedicated stock pages combining quote data (15‑min delayed IEX prices), key valuation multiples, growth metrics, profitability, balance sheet strength, and cash‑flow metrics in one dashboard., whereas Portfolio123 stands out for Build custom multi-factor ranking systems and rank stocks by universe, sector, or industry., Spreadsheet-style screening with formulas (including Piotroski F-Score) across current and historical data., and Backtesting with realistic assumptions for slippage, commissions, buy/sell rules, position sizing, and hedging..

Keep exploring

Stay on top of related tools

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