VOL. XCIV, NO. 247
★ BEST INVESTING TOOLS COMPARISON ★
NO ADVICE
Thursday, February 19, 2026
Tool Comparison
InsideArbitrage vs OpenInsider comparison
Compare pricing, supported platforms, categories, and standout capabilities to decide which tool fits your workflow.
OpenInsider
openinsider.com
At a glance
Tool
InsideArbitrage
$100/mo
Starting price
Plans & pricing
Tool
OpenInsider
—
Starting price
Plans & pricing
Pricing not published
Vote sentiment comparison
Loading sentiment chart...
Platform details
| Attribute | InsideArbitrage | OpenInsider |
|---|---|---|
Asset types | StocksETFs | StocksClosed-End Funds |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Regions | North America | North America |
Data freshness | Real-timeEnd of Day | Real-time |
API access | Not specified | Not specified |
Export formats | Not specified | CSV |
Coverage overlap
Categories where both tools offer overlapping coverage.
Categories covered by InsideArbitrage only.
Categories covered by OpenInsider only.
No unique categories.
Frequently Asked Questions
What's the difference between InsideArbitrage and OpenInsider?
InsideArbitrage focuses on News, Alerts, and Calendar while OpenInsider specializes in Insider Data, Screeners, and Data Visualizations. They overlap in 3 categories, so choose based on your preferred workflow and pricing.
How much do InsideArbitrage and OpenInsider cost?
Good news—both InsideArbitrage and OpenInsider offer free plans. You can try each platform without commitment and only pay when you need premium features.
Should I choose InsideArbitrage or OpenInsider?
Choose InsideArbitrage if you need Merger Arbitrage Tool with announced‑deal lists, spread tracking, calendars and deal updates; ‘Deals in the Works’ and deal post‑mortems., and Insider data hub with ‘Insider Weekends’, cluster buys, buys near highs, flip‑floppers, top‑performing insiders and sector heat‑map.. 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 InsideArbitrage and OpenInsider cover?
Both cover Stocks. InsideArbitrage also includes ETFs. OpenInsider adds coverage for Closed-End Funds.
Do InsideArbitrage and OpenInsider 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 InsideArbitrage and OpenInsider?
OpenInsider supports data exports to CSV. InsideArbitrage has more limited export options.
Which has a better stock screener—InsideArbitrage or OpenInsider?
Both InsideArbitrage and OpenInsider include stock screeners. Try each to see which filtering options and interface you prefer.
Can I track my portfolio with InsideArbitrage or OpenInsider?
InsideArbitrage offers portfolio tracking features. OpenInsider is more focused on research and analysis.
Other tools you might like
These profiles share overlapping coverage with both sides of this matchup.
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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.