VOL. XCIV, NO. 247

★ BEST INVESTING TOOLS COMPARISON ★

NO ADVICE

Tuesday, February 24, 2026

Tool Comparison

OpenInsider vs SpotGamma comparison

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

OpenInsider logo

OpenInsider

openinsider.com

PricingFree
PlatformsWeb
Editor's pickHands-on review
SpotGamma logo

SpotGamma

spotgamma.com

PricingSubscription
PlatformsWeb
Top 50 Investing ToolsThe global ranking of the best investing tools, ranked by community votes.

At a glance

Platforms
OpenInsiderWeb
SpotGammaWeb
Categories
OpenInsider3
SpotGamma6
Pricing details

Tool

OpenInsider

Starting price

Free tierNo
Free trial

Plans & pricing

Pricing not published

Tool

SpotGamma

$66.75/mo

Starting price

Free tierNo
Free trial7 days

Plans & pricing

Standard (Monthly)$89/mo
Pro (Monthly)$129/mo
Alpha (Monthly)$249/mo
Standard (Annual)$66.75/mo
Pro (Annual)$96.75/mo
Alpha (Annual)$224.25/mo

Vote sentiment comparison

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Platform details

AttributeOpenInsiderSpotGamma
Asset types
StocksClosed-End Funds
StocksETFsOptions
Experience
BeginnerIntermediateAdvanced
IntermediateAdvanced
Regions
North America
North America
Data freshness
Real-time
StreamingReal-timeEnd of Day
API access
Not specifiedNot specified
Export formats
CSV
Not specified

Coverage overlap

Shared categories2

Categories where both tools offer overlapping coverage.

OpenInsider strengths1

Categories covered by OpenInsider only.

SpotGamma strengths4

Categories covered by SpotGamma only.

Frequently Asked Questions

What's the difference between OpenInsider and SpotGamma?

OpenInsider focuses on Insider Data, Screeners, and Data Visualizations while SpotGamma specializes in Options & Derivatives, Screeners, and Data Visualizations. They overlap in 2 categories, so choose based on your preferred workflow and pricing.

Is OpenInsider or SpotGamma free to use?

OpenInsider offers a free tier that lets you get started without paying, while SpotGamma requires a subscription. If budget is a concern, start with OpenInsider and upgrade later if you need more advanced features.

Which is better for beginners—OpenInsider or SpotGamma?

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

Should I choose OpenInsider or SpotGamma?

Choose OpenInsider if you need Real-time SEC Form 4 insider trading screener for insider buying and selling., and Pre-built report pages such as “Latest Insider Purchases”.. Go with SpotGamma if HIRO Indicator: see options activity and estimated hedging impact in real time-down to the second., and Equity Hub: proprietary key levels, buy/sell indicators, and alerts across 3,500+ stocks & indices. better fits how you invest.

What asset classes do OpenInsider and SpotGamma cover?

Both cover Stocks. OpenInsider also includes Closed-End Funds. SpotGamma adds coverage for ETFs, and Options.

Do OpenInsider and SpotGamma offer real-time data?

Yes, both platforms provide real-time market data. This makes either suitable for active trading strategies where timing matters.

Can I export data from OpenInsider and SpotGamma?

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

Which has a better stock screener—OpenInsider or SpotGamma?

Both OpenInsider and SpotGamma include stock screeners. Try each to see which filtering options and interface you prefer.

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.