VOL. XCIV, NO. 247
★ BEST INVESTING TOOLS COMPARISON ★
NO ADVICE
Sunday, January 18, 2026
Tool Comparison
DATAROMA vs InsideArbitrage comparison
Compare pricing, supported platforms, categories, and standout capabilities to decide which tool fits your workflow.
At a glance
| DATAROMA | InsideArbitrage | |
|---|---|---|
| Free tier | ||
| Free trial | ||
| Starting price | — | $100/mo |
| Enterprise option | ||
| Available plans | — | Premium – Monthly, Premium – Annual, IA Professional (4 seats) |
Vote sentiment comparison
Cumulative positive vote share. Loading fresh totals...
Platform details
| Attribute | DATAROMA | InsideArbitrage |
|---|---|---|
Asset types | StocksETFs | StocksETFs |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Regions | North America | North America |
Data freshness | Not specified | Real-timeEnd of Day |
API access | Not specified | Not specified |
Export formats | Not specified | Not specified |
Coverage overlap
Categories where both tools offer overlapping coverage.
Categories covered by InsideArbitrage only.
Frequently Asked Questions
What's the difference between DATAROMA and InsideArbitrage?
DATAROMA focuses on Stock Ideas, Investor Holdings, and 13F while InsideArbitrage specializes in News, Alerts, and Calendar. They overlap in 3 categories, so choose based on your preferred workflow and pricing.
How much do DATAROMA and InsideArbitrage cost?
Good news—both DATAROMA and InsideArbitrage offer free plans. You can try each platform without commitment and only pay when you need premium features.
Should I choose DATAROMA or InsideArbitrage?
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 InsideArbitrage if 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. better fits how you invest.
Does DATAROMA or InsideArbitrage have real-time data?
InsideArbitrage 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.
Which has a better stock screener—DATAROMA or InsideArbitrage?
InsideArbitrage includes a stock screener for finding investment ideas. DATAROMA focuses on other analytical tools.
Can I track my portfolio with DATAROMA or InsideArbitrage?
InsideArbitrage offers portfolio tracking features. DATAROMA 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.