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Friday, December 26, 2025

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Tool Comparison

GammaWins Calculator vs OpenBB comparison

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

Quick takeaways

GammaWins Calculator adds Options P&L coverage that OpenBB skips.

OpenBB includes APIs & SDKs, Sheets / Excel Add-ins, Custom Dashboards, Data APIs, News, IPO, Dividends, Splits, Interest Rates, GDP, Inflation Rates, Unemployment Rates, Commitment of Traders (COT), Dark Pool & Off-Exchange, Quant, Financials, Transcripts, ETF Overview, ETF Performance, ETF Holdings, Analyst Forecasts, Analyst Price Targets, Regulatory Filings Monitoring, AI, and AI Chat categories that GammaWins Calculator omits.

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.

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OpenBB

openbb.co

Open-source data and analytics platform with a REST API, Python SDK, and an enterprise workspace for custom dashboards and apps. The free Community plan includes unlimited dashboards and 20 AI Copilot queries per day. Pro adds collaboration features, Excel integration, secure deployment (VPC/on-prem), and export options. Infrastructure is SOC 2 Type II certified, with SSO support and a public status page.

Platforms

WebAPI

Pricing

FreeSubscription

Quick highlights

REST API and Python client with JSON-serializable endpoints; local API deployment supported.
Wide coverage across equities, ETFs, options, fixed income, macroeconomics, news, transcripts, and regulatory filings.
Command-line interface (successor to the legacy OpenBB Terminal) plus Python workflows.
Workspace dashboards and apps with customizable widgets; unlimited dashboards on the Community tier.
OpenBB Copilot AI chat that integrates dashboard widgets as context and supports attachments (PDF, CSV, XLSX).

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Where they differ

GammaWins Calculator

Distinct strengths include:

Options P&L

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).

OpenBB

Distinct strengths include:

APIs & SDKs Sheets / Excel Add-ins Custom Dashboards Data APIs News IPO Dividends Splits

REST API and Python client with JSON-serializable endpoints; local API deployment supported.
Wide coverage across equities, ETFs, options, fixed income, macroeconomics, news, transcripts, and regulatory filings.
Command-line interface (successor to the legacy OpenBB Terminal) plus Python workflows.
Workspace dashboards and apps with customizable widgets; unlimited dashboards on the Community tier.

Feature-by-feature breakdown

Attribute	GammaWins Calculator	OpenBB
Categories Which research workflows each platform targets	Shared: Options & Derivatives, Data Visualizations Unique: Options P&L	Shared: Options & Derivatives, Data Visualizations Unique: APIs & SDKs, Sheets / Excel Add-ins, Custom Dashboards, Data APIs, News, IPO, Dividends, Splits, Interest Rates, GDP, Inflation Rates, Unemployment Rates, Commitment of Traders (COT), Dark Pool & Off-Exchange, Quant, Financials, Transcripts, ETF Overview, ETF Performance, ETF Holdings, Analyst Forecasts, Analyst Price Targets, Regulatory Filings Monitoring, AI, AI Chat
Asset types Supported asset classes and universes	Options, Stocks	Stocks, ETFs, Options, Futures, Bonds, Commodities, Currencies, Cryptos
Experience levels Who each product is built for	Intermediate, Advanced	Beginner, Intermediate, Advanced
Platforms Where you can access the product	Web	Web, 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 REST API and Python client with JSON-serializable endpoints; local API deployment supported. Wide coverage across equities, ETFs, options, fixed income, macroeconomics, news, transcripts, and regulatory filings. Command-line interface (successor to the legacy OpenBB Terminal) plus Python workflows. Workspace dashboards and apps with customizable widgets; unlimited dashboards on the Community tier. OpenBB Copilot AI chat that integrates dashboard widgets as context and supports attachments (PDF, CSV, XLSX). Community plan includes 20 Copilot queries/day; Pro adds Excel Add-in, data export, team roles and sharing, and SSO (Azure/Google).
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 GammaWins Calculator and OpenBB both support?

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

Do GammaWins Calculator and OpenBB require subscriptions?

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

How can you access GammaWins Calculator and OpenBB?

Both GammaWins Calculator and OpenBB 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?

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 OpenBB stands out for REST API and Python client with JSON-serializable endpoints; local API deployment supported., Wide coverage across equities, ETFs, options, fixed income, macroeconomics, news, transcripts, and regulatory filings., and Command-line interface (successor to the legacy OpenBB Terminal) plus Python workflows..

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