★ BEST INVESTING TOOLS COMPARISON ★
VOL. XCIV, NO. 247
Tool details checked August 4, 2026
Tool Comparison
ChartMill vs WhaleWisdom
Start here
ChartMill
Free • Paid plans available · Web
- You care about stock comparison, data visualizations, and scores, things WhaleWisdom doesn't offer
- You trade often and need tooling built for speed
Pick WhaleWisdom instead if
WhaleWisdom
Free • From $300/yr · Web · API · Desktop
- You want an API so you can script or automate things
- You care about APIs & data feeds and sheets / excel add-ins, things ChartMill doesn't offer
Skip both if: Neither one clicks with how you research; there are strong third options.
See alternativesOutbound links may include affiliate or sponsor codes.
Our take
The bottom line
ChartMill and WhaleWisdom cover a lot of the same ground (6 shared categories, including screeners, stock ideas, and alerts), so for the basics you won't go far wrong with either. ChartMill simply does more: 24 categories to WhaleWisdom's 8, including stock comparison, data visualizations, and scores. WhaleWisdom counters by keeping things simpler.
What readers say
ChartMill
Vote once to reveal the community verdict.
WhaleWisdom
Vote once to reveal the community verdict.
Key differences at a glance
- Global coverage
- ChartMill
- Broader coverage
- ChartMill24 vs 8 categories
- Desktop app
- WhaleWisdom
- API access
- WhaleWisdom
- Asset coverage
- WhaleWisdomAdds closed-end funds and bonds
- Free plan
- Both
See for yourself
How they stack up
The side-by-side table: pricing, platforms, data, and coverage at a glance.ShowHide
How they stack up
The side-by-side table: pricing, platforms, data, and coverage at a glance.| Attribute | ||
|---|---|---|
| Pricing & plans | ||
Starting price | Free • Paid plans available | Free • From $300/yr |
Free tier | Yes | Yes |
Free trial | — | — |
Plan limits | Free: financials history: 4 years/quarters (free users, example pages). | — |
| Platforms & access | ||
Web app | Yes | Yes |
Desktop app | No | Yes |
Mobile app | No | No |
API access | No | Yes |
Integrations | — | WhaleWisdom Excel Add-in, Microsoft Office Store add-in +1 more |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Best for | Retail Traders, Pro Retail +6 more | — |
Categories covered | 24 | 8 |
Regions | North America, Europe | North America |
| Data & capabilities | ||
Data quality | 3 signals: Latency: 15-min Delayed and End of Day, Granularity: EOD and Minute +1 more | — |
Capabilities | Custom formulas and Universe builder | — |
Security | — | Data residency: US |
| Try it | Visit ChartMill | Visit WhaleWisdom |
Where each one shines
What ChartMill and WhaleWisdom each do best.ShowHide
Where each one shines
What ChartMill and WhaleWisdom each do best.What ChartMill does best
- Screening for stocks and ETFs with technical, fundamental, dividend, valuation, growth, profitability, health, and custom-expression filters.
- Starting point: a large Trading Ideas library covering breakout, pullback, CANSLIM, Minervini, GARP, dividend, value, growth, and other screen templates.
- ChartMill ratings, technical setup views, analyzer pages, and fundamental reports to compare candidates.
- Tools for building watchlists, save screens, export screener results, and trigger alerts from price, setup, earnings, news, insider, fundamental, analyst, and saved-screen conditions.
- Multi-chart layouts, saved chart configurations, drawings, indicators, event markers, and watchlist-based charting.
What WhaleWisdom does best
- Tracking SEC filing datasets including 13F reports, Schedule 13D/G events, Form 4 insider transactions, Form D, Form 144, N-CEN, and Form ADV tools.
- Monitoring hedge funds, institutional filers, stock holders, filer groups, and stock watchlists from a dedicated holdings research workflow.
- Views for reviewing 13F history back to Q1 2001 on paid plans, while free access focuses on recent history and smaller limits.
- WhaleIndex, WhaleScore, WhaleTrader, Combined Holdings, and insider backtesting features on eligible paid plans.
- Export support for holdings and dashboard data through CSV, Excel, JSON, and the WhaleWisdom Excel Add-in depending on plan.
Every detail we compared
Every tracked attribute for ChartMill and WhaleWisdom, side by side.ShowHide
Every detail we compared
Every tracked attribute for ChartMill and WhaleWisdom, side by side.| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | StocksETFs | StocksETFsClosed-End FundsBondsOptions |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Target audience | Retail TradersPro RetailDay TradersSwing TradersLong-term InvestorsGrowth InvestorsValue InvestorsDividend Investors | Not specified |
Regions | North AmericaEurope | North America |
Coverage details | 17 countries9 exchangesIdentifiers: Ticker and ISIN | Countries: USIdentifiers: Ticker, CUSIP, and CIK |
| Data | ||
Data freshness | 15-min DelayedEnd of Day | Not specified |
Data granularity | EODMinute | Not specified |
| Access & integrations | ||
API protocols | Not specified | REST |
API auth & delivery | Not specified | Auth: APIKey20 req/minDocs |
Integrations | Not specified | WhaleWisdom Excel Add-inMicrosoft Office Store add-inNightly FTP bulk files for Enterprise |
Export formats | CSV | CSVExcelJSON |
| Plans & trust | ||
Security & compliance | Not specified | Data residency: US |
Capability signals | Custom formulasUniverse builder | Not specified |
Vendor & support | ChartMill | WhaleWisdom, LLCCountry: United StatesSupport: Email |
Curation ratings | Not specified | Methodology 3/5Reliability 3/5UX 3/5 |
Green tags are exclusive to that tool in this comparison.
What you'll actually pay
Plans, billing, trials, and per-month pricing for both tools.ShowHide
What you'll actually pay
Plans, billing, trials, and per-month pricing for both tools.| Tier | ||
|---|---|---|
| Free plan | Freefinancials history: 4 years/quarters (free users, example pages). | Free |
| Entry paid plan | $34.97/mo“Monthly Subscription” | $300/yr≈ $25/mo“Standard Annual” |
| Tier 2 | $299.97/yr“Annual Subscription + Free Course” | $90/qtr“Standard Quarterly” |
| Tier 3 | — | $500/yr≈ $41.67/mo“Pro Annual” |
| Tier 4 | — | $150/qtr“Pro Quarterly” |
| Top plan | — | Subscription“Enterprise” |
Questions we keep getting
What's the difference between ChartMill and WhaleWisdom?
ChartMill leans toward screeners, stock ideas, and stock comparison, while WhaleWisdom puts more weight on institutional ownership, insider data, and stock ideas. They overlap in 6 categories, so for most people it comes down to workflow preference and price.
How much do ChartMill and WhaleWisdom cost?
Good news: both ChartMill and WhaleWisdom have free plans, so you can run them side by side and only pay if you hit a wall.
Does ChartMill or WhaleWisdom have an API?
WhaleWisdom has an API for programmatic access and custom integrations. ChartMill doesn't, so you're working through its interface.
Should I choose ChartMill or WhaleWisdom?
It depends on what you're after. Pick ChartMill if stock comparison and data visualizations matter to you; go with WhaleWisdom if you'd rather have APIs & data feeds and sheets / excel add-ins. And if you only need the basics both share, let price decide.
What asset classes do ChartMill and WhaleWisdom cover?
Both cover stocks and ETFs. WhaleWisdom adds closed-end funds, bonds, and options on top.
Which covers international markets: ChartMill or WhaleWisdom?
ChartMill has documented international coverage (North America and Europe), so it's the safer bet if you hold non-US stocks. WhaleWisdom is more region-specific, mainly North America.
Can I export data from ChartMill and WhaleWisdom?
Yes, both export to spreadsheets (CSV), which is handy if you like running your own numbers.
Is ChartMill or WhaleWisdom better for day trading?
ChartMill is the one positioned more for active traders. WhaleWisdom is the better fit if you care less about fast trading workflows and more about a calmer research process.
Which has a better stock screener: ChartMill or WhaleWisdom?
Both ChartMill and WhaleWisdom include stock screeners, and they differ more in interface than raw power; try both and see which one clicks for you.
Keep researching
More comparisons to check
Other tools you might like
Keep Exploring
Feedback
Spot stale pricing, missing features, or a comparison that feels off? Send feedback on the verdict, table, alternatives, or recommendation.
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.