VOL. XCIV, NO. 247

★ A CURATED DIRECTORY OF FINANCIAL TOOLS AND RESOURCES ★

PRICE: 0 CENTS

Friday, December 26, 2025

Home My Collections

Tool Comparison

GammaWins Calculator vs GuruFocus comparison

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

Quick takeaways

GammaWins Calculator adds Options P&L, and Options & Derivatives coverage that GuruFocus skips.

GuruFocus includes Screeners, Stock Ideas, Stock Comparison, Portfolio, Investor Holdings, US Government Trades, Backtesting, News, Alerts, Calendar, Data APIs, IPO, Spin-offs, Acquisitions, Delisted, Dividends, GDP, Interest Rates, Inflation Rates, Unemployment Rates, Commitment of Traders (COT), Yield Curves, Financials, Scores, Valuation Models, Insider Data, Institutional Data, Short Interest, 13F, 13D/13G, ETF Overview, ETF Holdings, Analyst Forecasts, Analyst Price Targets, Analyst Recommendations, Transcripts, AI, AI Chat, Education, Videos, Blogs, Forums, Newsletters, and Stock Handbook categories that GammaWins Calculator omits.

GuruFocus offers mobile access, which GammaWins Calculator skips.

In depth comparison

GammaWins Calculator

gammawins.com

Web-based options profit calculator focused on payoff + Greeks visualization. Core tools are usable without an account; some account-only features will prompt sign-in. Market data shown in the calculator is currently 15-minute delayed; GammaWins states paid tiers are planned for live data + direct index feeds.

Platforms

Web

Pricing

Free

Quick highlights

Payoff/strategy value visualization over time and underlying price, with optional Greeks overlays.
Built-in templates for common options strategies (single-leg, spreads, volatility, and complex multi-leg strategies) and supports building custom multi-leg strategies.
Supports US equity and equity-index options plus Danish/Swedish/Norwegian equity and index options listed on Nasdaq Nordic.
Options quotes are sourced via OPRA (calculator currently displays 15-minute delayed data for options and stock prices).
Modeling: uses Black-Scholes for European options (mainly index options) and stock calls, and Bjerksund-Stensland for American puts.

Community votes (overall)

0% upvotes 0% downvotes

You haven't voted yet

View full profile Visit site

GuruFocus

gurufocus.com

Editor’s pick Hands-on review

Global value‑investing research platform with 100k+ stocks in ~100 markets, guru & insider holdings, macro indicators and AI tools. Basic access is free with limited scanner/guru data, while Premium / PremiumPlus / Professional tiers unlock 30‑year financials, advanced All‑in‑One Screener, GuruAI, backtesting, Excel/Sheets add‑ins and increasing API query limits; a separate GuruAPI data-licensing product provides institutional datasets and pay‑per‑call or subscription access.

Platforms

WebMobileDesktopAPI

Pricing

FreeSubscription

Quick highlights

Global value-investing research platform covering ~100,000 stocks in ~100 markets plus 8,000+ institutional investors and 15,000+ mutual funds holdings, designed to provide historical financial and valuation data for long-term investors.
All-in-One Screener offers 500+ fundamental, valuation, profitability, growth, dividend, guru and insider filters, supports custom filters/formulas and screening by regions, countries, exchanges and user portfolios.
Stock pages combine up to 30-year financial statements, valuation ratios, proprietary GF Score (quality, value, growth, momentum and GF value), dividend data, ownership, operating/segment metrics, filings, transcripts, PDF reports and downloadable charts/tables.
Guru and institutional tools track portfolios and trades of thousands of investors, including real-time guru picks, 13F and 13D/13G data for all institutional investors (PremiumPlus+), mutual fund holdings, sector/geographic trends, ETF and options holdings.
Insider and politician trading trackers provide real-time insider buys/sells, clusters and combined guru+insider signals, plus a dedicated U.S. politician trading tracker with real-time picks and full politician lists.

Community votes (overall)

0% upvotes 0% downvotes

You haven't voted yet

View full profile Visit site

Where they differ

GammaWins Calculator

Distinct strengths include:

Options P&L Options & Derivatives

Payoff/strategy value visualization over time and underlying price, with optional Greeks overlays.
Built-in templates for common options strategies (single-leg, spreads, volatility, and complex multi-leg strategies) and supports building custom multi-leg strategies.
Supports US equity and equity-index options plus Danish/Swedish/Norwegian equity and index options listed on Nasdaq Nordic.
Options quotes are sourced via OPRA (calculator currently displays 15-minute delayed data for options and stock prices).

GuruFocus

Distinct strengths include:

Screeners Stock Ideas Stock Comparison Portfolio Investor Holdings US Government Trades Backtesting News

Global value-investing research platform covering ~100,000 stocks in ~100 markets plus 8,000+ institutional investors and 15,000+ mutual funds holdings, designed to provide historical financial and valuation data for long-term investors.
All-in-One Screener offers 500+ fundamental, valuation, profitability, growth, dividend, guru and insider filters, supports custom filters/formulas and screening by regions, countries, exchanges and user portfolios.
Stock pages combine up to 30-year financial statements, valuation ratios, proprietary GF Score (quality, value, growth, momentum and GF value), dividend data, ownership, operating/segment metrics, filings, transcripts, PDF reports and downloadable charts/tables.
Guru and institutional tools track portfolios and trades of thousands of investors, including real-time guru picks, 13F and 13D/13G data for all institutional investors (PremiumPlus+), mutual fund holdings, sector/geographic trends, ETF and options holdings.

Feature-by-feature breakdown

Attribute	GammaWins Calculator	GuruFocus
Categories Which research workflows each platform targets	Shared: Data Visualizations Unique: Options P&L, Options & Derivatives	Shared: Data Visualizations Unique: Screeners, Stock Ideas, Stock Comparison, Portfolio, Investor Holdings, US Government Trades, Backtesting, News, Alerts, Calendar, Data APIs, IPO, Spin-offs, Acquisitions, Delisted, Dividends, GDP, Interest Rates, Inflation Rates, Unemployment Rates, Commitment of Traders (COT), Yield Curves, Financials, Scores, Valuation Models, Insider Data, Institutional Data, Short Interest, 13F, 13D/13G, ETF Overview, ETF Holdings, Analyst Forecasts, Analyst Price Targets, Analyst Recommendations, Transcripts, AI, AI Chat, Education, Videos, Blogs, Forums, Newsletters, Stock Handbook
Asset types Supported asset classes and universes	Options, Stocks	Stocks, ETFs, Mutual Funds, Options, Funds
Experience levels Who each product is built for	Intermediate, Advanced	Beginner, Intermediate, Advanced
Platforms Where you can access the product	Web	Web, Mobile, Desktop, API
Pricing High-level pricing models	Free	Free, Subscription
Key features Core capabilities called out by each vendor	Unique Payoff/strategy value visualization over time and underlying price, with optional Greeks overlays. Built-in templates for common options strategies (single-leg, spreads, volatility, and complex multi-leg strategies) and supports building custom multi-leg strategies. Supports US equity and equity-index options plus Danish/Swedish/Norwegian equity and index options listed on Nasdaq Nordic. Options quotes are sourced via OPRA (calculator currently displays 15-minute delayed data for options and stock prices). Modeling: uses Black-Scholes for European options (mainly index options) and stock calls, and Bjerksund-Stensland for American puts. Dividend handling currently assumes a constant dividend rate based on recent payout history; a more advanced dividend model using exact ex-dividend dates / finite-difference is described as part of an upcoming paid plan.	Unique Global value-investing research platform covering ~100,000 stocks in ~100 markets plus 8,000+ institutional investors and 15,000+ mutual funds holdings, designed to provide historical financial and valuation data for long-term investors. All-in-One Screener offers 500+ fundamental, valuation, profitability, growth, dividend, guru and insider filters, supports custom filters/formulas and screening by regions, countries, exchanges and user portfolios. Stock pages combine up to 30-year financial statements, valuation ratios, proprietary GF Score (quality, value, growth, momentum and GF value), dividend data, ownership, operating/segment metrics, filings, transcripts, PDF reports and downloadable charts/tables. Guru and institutional tools track portfolios and trades of thousands of investors, including real-time guru picks, 13F and 13D/13G data for all institutional investors (PremiumPlus+), mutual fund holdings, sector/geographic trends, ETF and options holdings. Insider and politician trading trackers provide real-time insider buys/sells, clusters and combined guru+insider signals, plus a dedicated U.S. politician trading tracker with real-time picks and full politician lists. Market & macro dashboards cover U.S. and global valuation (Buffett Indicator, Shiller P/E, GF Value for major indices), Treasury yield curve, inflation, debt-to-GDP, GDP, unemployment, VIX and broader economic indicators across multiple regions.
Tested Verified by hands-on testing inside Find My Moat	Not yet	Yes
Editor pick Featured inside curated shortlists	Standard listing	Highlighted

Frequently Asked Questions

Which workflows do GammaWins Calculator and GuruFocus both support?

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

Do GammaWins Calculator and GuruFocus require subscriptions?

Both GammaWins Calculator and GuruFocus keep freemium access with optional paid upgrades, so you can trial each platform before committing.

Which tool has mobile access?

GuruFocus ships a dedicated mobile experience, while GammaWins Calculator focuses on web or desktop access.

What unique strengths set the two platforms apart?

GammaWins Calculator differentiates itself with Payoff/strategy value visualization over time and underlying price, with optional Greeks overlays., Built-in templates for common options strategies (single-leg, spreads, volatility, and complex multi-leg strategies) and supports building custom multi-leg strategies., and Supports US equity and equity-index options plus Danish/Swedish/Norwegian equity and index options listed on Nasdaq Nordic., whereas GuruFocus stands out for Global value-investing research platform covering ~100,000 stocks in ~100 markets plus 8,000+ institutional investors and 15,000+ mutual funds holdings, designed to provide historical financial and valuation data for long-term investors., All-in-One Screener offers 500+ fundamental, valuation, profitability, growth, dividend, guru and insider filters, supports custom filters/formulas and screening by regions, countries, exchanges and user portfolios., and Stock pages combine up to 30-year financial statements, valuation ratios, proprietary GF Score (quality, value, growth, momentum and GF value), dividend data, ownership, operating/segment metrics, filings, transcripts, PDF reports and downloadable charts/tables..

Keep exploring

Stay on top of related tools

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