VOL. XCIV, NO. 247
★ BEST INVESTING TOOLS COMPARISON ★
NO ADVICE
Sunday, January 18, 2026
Tool Comparison
ChartMill vs DATAROMA comparison
Compare pricing, supported platforms, categories, and standout capabilities to decide which tool fits your workflow.
ChartMill
chartmill.com
At a glance
| ChartMill | DATAROMA | |
|---|---|---|
| Free tier | ||
| Free trial | ||
| Starting price | $34.97/mo | — |
| Enterprise option | ||
| Available plans | Free, Monthly Subscription, Annual Subscription + Free Course | — |
Vote sentiment comparison
Cumulative positive vote share. Loading fresh totals...
Platform details
| Attribute | ChartMill | DATAROMA |
|---|---|---|
Asset types | StocksETFs | StocksETFs |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Regions | North AmericaEurope | North America |
Data freshness | 15-min DelayedEnd of Day | Not specified |
API access | Not specified | Not specified |
Export formats | CSV | Not specified |
Coverage overlap
Categories where both tools offer overlapping coverage.
Categories covered by ChartMill only.
Frequently Asked Questions
What's the difference between ChartMill and DATAROMA?
ChartMill focuses on Screeners, Stock Ideas, and Data Visualizations while DATAROMA specializes in Stock Ideas, Investor Holdings, and 13F. They overlap in 3 categories, so choose based on your preferred workflow and pricing.
How much do ChartMill and DATAROMA cost?
Good news—both ChartMill and DATAROMA offer free plans. You can try each platform without commitment and only pay when you need premium features.
Should I choose ChartMill or DATAROMA?
Choose ChartMill if you need Free advanced stock screener with technical + fundamental filters (dividend, valuation, growth, profitability, health), custom expressions, saved screens, and customizable result views (tables/charts)., and Trading Ideas library of pre-configured screens/strategies that can be run and adapted.. Go with DATAROMA if 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. better fits how you invest.
Can I export data from ChartMill and DATAROMA?
ChartMill supports data exports to CSV. DATAROMA has more limited export options.
Is ChartMill or DATAROMA better for day trading?
ChartMill is built with active traders in mind, offering features like real-time data and technical analysis. DATAROMA is better suited for buy-and-hold investors focused on fundamentals.
Which has a better stock screener—ChartMill or DATAROMA?
ChartMill 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.