VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Sunday, October 5, 2025

View Koyfin View Portfolio123 Back to Home

Head-to-head

Koyfin vs Portfolio123 comparison

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

Quick takeaways

Koyfin adds ETF Screeners, News, Alerts, Financials, Transcripts, ETF Overview, ETF Performance, ETF Holdings, ETF Overlap, ETF Fundamentals, ETF Valuation, Watchlist, Short Interest, and Dividends coverage that Portfolio123 skips.

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

Koyfin highlights: Plan tiers: Free, Plus ($39/mo), Premium ($79/mo), Advisor Core ($209/mo), and Advisor Pro ($299/mo), with a published plan comparison., Global equities coverage with prices, financial statements, valuation, analyst estimates, filings, news, and transcripts. US quotes are live or 15-minute delayed, Canadian quotes are 15-minute delayed, and most international markets are end-of-day., and Stock Screener covering ~100,000 global equities with nearly 6,000 filter criteria. Results can be saved to watchlists or exported to CSV, though some data exports are restricted..

Portfolio123 is known 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..

Koyfin ships a mobile app. Portfolio123 is web/desktop only.

Koyfin

koyfin.com

Editor’s pick Hands-on review

Global market analytics platform combining screeners, financials, charting, news, and portfolio tools. US equity data is a mix of live and 15-minute delayed quotes, Canada is delayed 15 minutes, and other markets are end-of-day. CSV exports are available, but certain fields such as detailed financials and analyst estimates are restricted. Advisor plans add client portfolio management, custodian integrations, and professional reporting. Options functionality is announced but not yet live.

Platforms

Web

Mobile

Pricing

Free

Subscription

Quick highlights

Plan tiers: Free, Plus ($39/mo), Premium ($79/mo), Advisor Core ($209/mo), and Advisor Pro ($299/mo), with a published plan comparison.
Global equities coverage with prices, financial statements, valuation, analyst estimates, filings, news, and transcripts. US quotes are live or 15-minute delayed, Canadian quotes are 15-minute delayed, and most international markets are end-of-day.
Stock Screener covering ~100,000 global equities with nearly 6,000 filter criteria. Results can be saved to watchlists or exported to CSV, though some data exports are restricted.
Custom Formulas & Calculations for table columns. Limits vary by plan: Free (1), Plus (up to 10), Premium (unlimited).
Mobile apps for iOS and Android with synced watchlists, price alerts, and access to core features.

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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

Web

Desktop

API

Pricing

Free

Subscription

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).

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Overlap

Shared focus areas

4 overlaps

Mutual strengths include Screeners, Data Visualizations, and Calendar plus 1 more area.

Where they differ

Koyfin

Distinct strengths include:

Plan tiers: Free, Plus ($39/mo), Premium ($79/mo), Advisor Core ($209/mo), and Advisor Pro ($299/mo), with a published plan comparison.
Global equities coverage with prices, financial statements, valuation, analyst estimates, filings, news, and transcripts. US quotes are live or 15-minute delayed, Canadian quotes are 15-minute delayed, and most international markets are end-of-day.
Stock Screener covering ~100,000 global equities with nearly 6,000 filter criteria. Results can be saved to watchlists or exported to CSV, though some data exports are restricted.
Custom Formulas & Calculations for table columns. Limits vary by plan: Free (1), Plus (up to 10), Premium (unlimited).

Portfolio123

Distinct strengths include:

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	Koyfin	Portfolio123
Categories Which research workflows each platform targets	Shared: Screeners, Data Visualizations, Calendar, Portfolio Unique: ETF Screeners, News, Alerts, Financials, Transcripts, ETF Overview, ETF Performance, ETF Holdings, ETF Overlap, ETF Fundamentals, ETF Valuation, Watchlist, Short Interest, Dividends	Shared: Screeners, Data Visualizations, Calendar, Portfolio Unique: Quant, Backtesting, Correlation, APIs & SDKs, Data APIs, Broker Connectors
Asset types Supported asset classes and universes	Stocks, ETFs, Mutual Funds, Closed-End Funds, Bonds, Commodities, Currencies, Cryptos	Stocks, ETFs
Experience levels Who each product is built for	Beginner, Intermediate, Advanced	Beginner, Intermediate, Advanced
Platforms Where you can access the product	Web, Mobile	Web, Desktop, API
Pricing High-level pricing models	Free, Subscription	Free, Subscription
Key features Core capabilities called out by each vendor	Unique Plan tiers: Free, Plus ($39/mo), Premium ($79/mo), Advisor Core ($209/mo), and Advisor Pro ($299/mo), with a published plan comparison. Global equities coverage with prices, financial statements, valuation, analyst estimates, filings, news, and transcripts. US quotes are live or 15-minute delayed, Canadian quotes are 15-minute delayed, and most international markets are end-of-day. Stock Screener covering ~100,000 global equities with nearly 6,000 filter criteria. Results can be saved to watchlists or exported to CSV, though some data exports are restricted. Custom Formulas & Calculations for table columns. Limits vary by plan: Free (1), Plus (up to 10), Premium (unlimited). Mobile apps for iOS and Android with synced watchlists, price alerts, and access to core features. Portfolio and Model Portfolios with analytics including performance, drawdown, beta, and correlations. Advisor plans include client-ready PDF reports with tiered monthly limits.	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	Highlighted	Highlighted

Frequently Asked Questions

Which workflows do Koyfin and Portfolio123 both support?

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

Do Koyfin and Portfolio123 require subscriptions?

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

Which tool has mobile access?

Koyfin ships a dedicated mobile experience, while Portfolio123 focuses on web or desktop access.

What unique strengths set the two platforms apart?

Koyfin differentiates itself with Plan tiers: Free, Plus ($39/mo), Premium ($79/mo), Advisor Core ($209/mo), and Advisor Pro ($299/mo), with a published plan comparison., Global equities coverage with prices, financial statements, valuation, analyst estimates, filings, news, and transcripts. US quotes are live or 15-minute delayed, Canadian quotes are 15-minute delayed, and most international markets are end-of-day., and Stock Screener covering ~100,000 global equities with nearly 6,000 filter criteria. Results can be saved to watchlists or exported to CSV, though some data exports are restricted., 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..

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