VOL. XCIV, NO. 247

★ BEST INVESTING TOOLS COMPARISON ★

NO ADVICE

Tuesday, February 24, 2026

Tool Comparison

GammaWins Calculator vs OpenInsider comparison

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

GammaWins Calculator logo

GammaWins Calculator

gammawins.com

PricingFree
PlatformsWeb
OpenInsider logo

OpenInsider

openinsider.com

PricingFree
PlatformsWeb
Editor's pickHands-on review
Top 50 Investing ToolsThe global ranking of the best investing tools, ranked by community votes.

At a glance

Platforms
GammaWins CalculatorWeb
OpenInsiderWeb
Categories
GammaWins Calculator3
OpenInsider3
Pricing details

Tool

GammaWins Calculator

Starting price

Free tierYes
Free trial

Plans & pricing

FreeFree

Tool

OpenInsider

Starting price

Free tierNo
Free trial

Plans & pricing

Pricing not published

Vote sentiment comparison

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Platform details

AttributeGammaWins CalculatorOpenInsider
Asset types
OptionsStocks
StocksClosed-End Funds
Experience
IntermediateAdvanced
BeginnerIntermediateAdvanced
Regions
North AmericaEurope
North America
Data freshness
15-min Delayed
Real-time
API access
Not specifiedNot specified
Export formats
Not specified
CSV

Coverage overlap

Shared categories1

Categories where both tools offer overlapping coverage.

GammaWins Calculator strengths2

Categories covered by GammaWins Calculator only.

OpenInsider strengths2

Categories covered by OpenInsider only.

Frequently Asked Questions

What's the difference between GammaWins Calculator and OpenInsider?

GammaWins Calculator focuses on Options P&L, Options & Derivatives, and Data Visualizations while OpenInsider specializes in Insider Data, Screeners, and Data Visualizations. They overlap in 1 categories, so choose based on your preferred workflow and pricing.

How much do GammaWins Calculator and OpenInsider cost?

Good news—both GammaWins Calculator and OpenInsider offer free plans. You can try each platform without commitment and only pay when you need premium features.

Which is better for beginners—GammaWins Calculator or OpenInsider?

OpenInsider is more beginner-friendly with an approachable interface. Both can work for intermediate users.

Should I choose GammaWins Calculator or OpenInsider?

Choose GammaWins Calculator if you need Payoff/strategy value visualization over time and underlying price, with optional Greeks overlays., and Built-in templates for common options strategies (single-leg, spreads, volatility, and complex multi-leg strategies) and supports building custom multi-leg strategies.. Go with OpenInsider if Real-time SEC Form 4 insider trading screener for insider buying and selling., and Pre-built report pages such as “Latest Insider Purchases”. better fits how you invest.

What asset classes do GammaWins Calculator and OpenInsider cover?

Both cover Stocks. GammaWins Calculator also includes Options. OpenInsider adds coverage for Closed-End Funds.

Does GammaWins Calculator or OpenInsider have real-time data?

OpenInsider offers real-time data feeds, which is essential for active traders. GammaWins Calculator uses delayed or end-of-day data, which works fine for longer-term investors who don't need up-to-the-second quotes.

Can I export data from GammaWins Calculator and OpenInsider?

OpenInsider supports data exports to CSV. GammaWins Calculator has more limited export options.

Which has a better stock screener—GammaWins Calculator or OpenInsider?

OpenInsider includes a stock screener for finding investment ideas. GammaWins Calculator focuses on other analytical tools.

Keep Exploring

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.