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 MarketWatch 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 MarketWatch skips.

MarketWatch includes News, Alerts, Calendar, Screeners, Watchlist, Paper Trading, Financials, Options, ETF Overview, ETF Holdings, Analyst Price Targets, Insider Data, Short Interest, Interest Rates, Yield Curves, IPO, and Newsletters categories that GammaWins Calculator omits.

MarketWatch offers mobile access, which GammaWins Calculator skips.

In depth comparison

GammaWins Calculator logo

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 profileVisit site
MarketWatch logo

MarketWatch

marketwatch.com

Hands-on review

A global financial-news portal from Dow Jones that combines market data, news, analysis, and investor tools. Real-time Nasdaq last-sale quotes are included, while most other intraday prices run on a standard 15-minute delay. Premium newsletters and in-depth articles are gated behind a subscription. Mobile apps extend the experience with push alerts and watchlist syncing.

Platforms

WebMobile

Pricing

FreeSubscription

Quick highlights

  • Market data hub with stock and market screeners, mutual fund research, fund comparison, and multi-quote lookup tools.
  • Personal watchlists available free with an account; syncs across web and mobile apps with customizable price and news alerts.
  • Comprehensive event calendars, including U.S. economic releases, corporate earnings, IPO schedules, and options-expiration dates.
  • BigCharts advanced charting platform with multiple timeframes (intraday to monthly) and technical overlays; intraday data typically delayed 15 minutes.
  • Options coverage with full chains per symbol and an expiration calendar.

Community votes (overall)

0% upvotes 0% downvotes
You haven't voted yet
View full profileVisit site

Where they differ

GammaWins Calculator

Distinct strengths include:

Options P&LOptions & 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).

MarketWatch

Distinct strengths include:

NewsAlertsCalendarScreenersWatchlistPaper TradingFinancialsOptions
  • Market data hub with stock and market screeners, mutual fund research, fund comparison, and multi-quote lookup tools.
  • Personal watchlists available free with an account; syncs across web and mobile apps with customizable price and news alerts.
  • Comprehensive event calendars, including U.S. economic releases, corporate earnings, IPO schedules, and options-expiration dates.
  • BigCharts advanced charting platform with multiple timeframes (intraday to monthly) and technical overlays; intraday data typically delayed 15 minutes.

Feature-by-feature breakdown

AttributeGammaWins CalculatorMarketWatch
Categories

Which research workflows each platform targets

Shared: Data Visualizations

Unique: Options P&L, Options & Derivatives

Shared: Data Visualizations

Unique: News, Alerts, Calendar, Screeners, Watchlist, Paper Trading, Financials, Options, ETF Overview, ETF Holdings, Analyst Price Targets, Insider Data, Short Interest, Interest Rates, Yield Curves, IPO, Newsletters

Asset types

Supported asset classes and universes

Options, Stocks

Stocks, ETFs, Mutual Funds, Options, Futures, Commodities, Currencies, Cryptos, Bonds

Experience levels

Who each product is built for

Intermediate, Advanced

Beginner, Intermediate, Advanced

Platforms

Where you can access the product

Web

Web, Mobile

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

  • Market data hub with stock and market screeners, mutual fund research, fund comparison, and multi-quote lookup tools.
  • Personal watchlists available free with an account; syncs across web and mobile apps with customizable price and news alerts.
  • Comprehensive event calendars, including U.S. economic releases, corporate earnings, IPO schedules, and options-expiration dates.
  • BigCharts advanced charting platform with multiple timeframes (intraday to monthly) and technical overlays; intraday data typically delayed 15 minutes.
  • Options coverage with full chains per symbol and an expiration calendar.
  • ETF and mutual fund research, including top holdings for flagship funds like SPY and a comparison tool for side-by-side analysis.
Tested

Verified by hands-on testing inside Find My Moat

Not yet

Yes

Editor pick

Featured inside curated shortlists

Standard listing

Standard listing

Frequently Asked Questions

Which workflows do GammaWins Calculator and MarketWatch 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 MarketWatch require subscriptions?

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

Which tool has mobile access?

MarketWatch 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 MarketWatch stands out for Market data hub with stock and market screeners, mutual fund research, fund comparison, and multi-quote lookup tools., Personal watchlists available free with an account; syncs across web and mobile apps with customizable price and news alerts., and Comprehensive event calendars, including U.S. economic releases, corporate earnings, IPO schedules, and options-expiration dates..

Keep exploring

Keep exploring

Stay on top of related tools

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

Recommended tools

These profiles share overlapping coverage with both sides of this matchup.

Curation & Accuracy

This directory blends AI‑assisted discovery with human curation. Entries are reviewed, edited, and organized with the goal of expanding coverage and sharpening quality over time. Your feedback helps steer improvements (because no single human can capture everything all at once).

Details change. Pricing, features, and availability may be incomplete or out of date. Treat listings as a starting point and verify on the provider’s site before making decisions. If you spot an error or a gap, send a quick note and I’ll adjust.