VOL. XCIV, NO. 247

★ A CURATED DIRECTORY OF FINANCIAL TOOLS AND RESOURCES ★

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Friday, December 26, 2025

Tool Comparison

Asset Allocation Interactive (AAI) - Research Affiliates vs GammaWins Calculator comparison

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

Quick takeaways

Asset Allocation Interactive (AAI) - Research Affiliates adds Correlation, and Valuation Models coverage that GammaWins Calculator skips.

GammaWins Calculator includes Options P&L, and Options & Derivatives categories that Asset Allocation Interactive (AAI) - Research Affiliates omits.

In depth comparison

Asset Allocation Interactive (AAI) - Research Affiliates

interactive.researchaffiliates.com

Editor’s pick Hands-on review

A free interactive platform that publishes Research Affiliates’ capital market expectations each month. You can explore expected returns, correlations, and efficient frontiers across a wide set of asset classes and geographies. Excel downloads are available (though without full time-series) and charts can be exported. All results are model-based, hypothetical, and provided for informational purposes only.

Platforms

Web

Pricing

Free

Quick highlights

Two expected-return models: one valuation-driven and one based on yield and growth, with the option to blend them.
Interactive Portfolio Builder lets you create, save, and analyze custom portfolios.
Coverage spans more than 140 assets and model portfolios, available in six base currencies (USD, EUR, GBP, JPY, AUD, CAD). Expectations are refreshed monthly and remain free to access.
Country dashboards provide data for 41 equity markets (22 developed, 19 emerging), including GDP trends, CAPE ratios, and inflation views.
Correlation view displays a full heat-map matrix of expected cross-asset relationships.

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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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Where they differ

Asset Allocation Interactive (AAI) - Research Affiliates

Distinct strengths include:

Correlation Valuation Models

Two expected-return models: one valuation-driven and one based on yield and growth, with the option to blend them.
Interactive Portfolio Builder lets you create, save, and analyze custom portfolios.
Coverage spans more than 140 assets and model portfolios, available in six base currencies (USD, EUR, GBP, JPY, AUD, CAD). Expectations are refreshed monthly and remain free to access.
Country dashboards provide data for 41 equity markets (22 developed, 19 emerging), including GDP trends, CAPE ratios, and inflation views.

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).

Feature-by-feature breakdown

Attribute	Asset Allocation Interactive (AAI) - Research Affiliates	GammaWins Calculator
Categories Which research workflows each platform targets	Shared: Data Visualizations Unique: Correlation, Valuation Models	Shared: Data Visualizations Unique: Options P&L, Options & Derivatives
Asset types Supported asset classes and universes	Stocks, Bonds, Commodities, Real Estate	Options, Stocks
Experience levels Who each product is built for	Beginner, Intermediate, Advanced	Intermediate, Advanced
Platforms Where you can access the product	Web	Web
Pricing High-level pricing models	Free	Free
Key features Core capabilities called out by each vendor	Unique Two expected-return models: one valuation-driven and one based on yield and growth, with the option to blend them. Interactive Portfolio Builder lets you create, save, and analyze custom portfolios. Coverage spans more than 140 assets and model portfolios, available in six base currencies (USD, EUR, GBP, JPY, AUD, CAD). Expectations are refreshed monthly and remain free to access. Country dashboards provide data for 41 equity markets (22 developed, 19 emerging), including GDP trends, CAPE ratios, and inflation views. Correlation view displays a full heat-map matrix of expected cross-asset relationships. Efficient frontier visualization shows optimal portfolio mixes on a scatter plot.	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.
Tested Verified by hands-on testing inside Find My Moat	Yes	Not yet
Editor pick Featured inside curated shortlists	Highlighted	Standard listing

Frequently Asked Questions

Which workflows do Asset Allocation Interactive (AAI) - Research Affiliates and GammaWins Calculator 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 Asset Allocation Interactive (AAI) - Research Affiliates and GammaWins Calculator require subscriptions?

Both Asset Allocation Interactive (AAI) - Research Affiliates and GammaWins Calculator keep freemium access with optional paid upgrades, so you can trial each platform before committing.

How can you access Asset Allocation Interactive (AAI) - Research Affiliates and GammaWins Calculator?

Both Asset Allocation Interactive (AAI) - Research Affiliates and GammaWins Calculator 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?

Asset Allocation Interactive (AAI) - Research Affiliates differentiates itself with Two expected-return models: one valuation-driven and one based on yield and growth, with the option to blend them., Interactive Portfolio Builder lets you create, save, and analyze custom portfolios., and Coverage spans more than 140 assets and model portfolios, available in six base currencies (USD, EUR, GBP, JPY, AUD, CAD). Expectations are refreshed monthly and remain free to access., whereas GammaWins Calculator stands out for 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..

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