VOL. XCIV, NO. 247
★ BEST INVESTING TOOLS COMPARISON ★
NO ADVICE
Sunday, May 31, 2026
Tool Comparison · Sunday, May 31, 2026
DATAROMA vs OpenInsider
DATAROMA vs OpenInsider: which investing tool fits your workflow? Compare pricing, features, platforms, and verdict in seconds.
DATAROMA
dataroma.com
Best for stock ideas, and investor holdings
- Pricing
- Free
- Platforms
- Web
OpenInsider
Pickopeninsider.com
Best for screeners, and data visualizations
- Pricing
- Free
- Platforms
- Web
Outbound links may include affiliate or sponsor codes.
Comparison snapshot
Who should choose which?
Choose
DATAROMA if…
- You’re a long-term or value-focused investor
- You need homepage states it is “currently tracking portfolios” of superinvestors (count shown on-page and may change over time) and highlights recent activity / insider buys of superinvestor holdings.
- You need superinvestor holdings pages list positions with % of portfolio, activity (e.g., add/reduce), shares, reported price, current price, and 52‑week low/high.
- You need portfolio change views show quarter-based activity and top buys/sells by manager; the site’s own content references 13f filings in this context.
Choose
OpenInsider if…
- You need real-time data, not delayed quotes
- You need real-time sec form 4 insider trading screener for insider buying and selling.
- You need pre-built report pages such as “latest insider purchases”.
- You need “insider buy-sell charts” page for visualizing insider activity.
Consider alternatives if…
- You want broader category coverage in one tool.
- Neither pricing tier fits your budget.
Side-by-side feature breakdown
| Attribute | DATAROMA | OpenInsider |
|---|---|---|
Asset types | StocksETFs | StocksClosed-End Funds |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Regions | North America | North America |
Data freshness | Not specified | Real-time |
API access | Not specified | Not specified |
Export formats | Not specified | CSV |
Seen enough? Open either tool and try it now.
Coverage overlap
Categories covered by DATAROMA only.
Community category leaders
Vote sentiment comparison
Loading sentiment chart...
Still deciding? Get hands-on with both — most plans offer a free tier or trial.
Frequently Asked Questions
What's the difference between DATAROMA and OpenInsider?
DATAROMA focuses on Stock Ideas, Investor Holdings, and 13F 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 DATAROMA and OpenInsider cost?
Good news—both DATAROMA and OpenInsider offer free plans. You can try each platform without commitment and only pay when you need premium features.
Should I choose DATAROMA or OpenInsider?
Choose DATAROMA if you need Homepage states it is “currently tracking portfolios” of superinvestors (count shown on-page and may change over time) and highlights recent activity / insider buys of superinvestor holdings., and Superinvestor holdings pages list positions with % of portfolio, activity (e.g., Add/Reduce), shares, reported price, current price, and 52‑week low/high.. 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 DATAROMA and OpenInsider cover?
Both cover Stocks. DATAROMA also includes ETFs. OpenInsider adds coverage for Closed-End Funds.
Does DATAROMA or OpenInsider have real-time data?
OpenInsider offers real-time data feeds, which is essential for active traders. DATAROMA 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 DATAROMA and OpenInsider?
OpenInsider supports data exports to CSV. DATAROMA has more limited export options.
Which has a better stock screener—DATAROMA or OpenInsider?
OpenInsider includes a stock screener for finding investment ideas. DATAROMA focuses on other analytical tools.
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.