★ BEST INVESTING TOOLS COMPARISON ★
VOL. XCIV, NO. 247
Friday, June 12, 2026
Tool Comparison · Friday, June 12, 2026
StockAlert Pro vs WhaleWisdom
Trying to decide between StockAlert Pro and WhaleWisdom? Here's how they compare on pricing, features, and platforms — and which one fits the way you invest.
StockAlert Pro
Best for calendar and dividends
Alert-first platform for stocks & ETFs with 22 configurable alert types across price, technical, volume, fundamental, dividend, and time categories, plus AI equity reports, a daily AI watchlist assistant, and an API with webhooks/SDKs. Free Basic supports up to 5 active Price & Time alerts and 2 watchlist stocks; Premium adds unlimited alerts, all alert categories, 100 watchlist stocks, 50 SMS/month, unlimited API keys, and priority support. Coverage spans major global exchanges including NYSE, NASDAQ, XETRA, and LSE.
WhaleWisdom
Best for institutional data and 13f
Aggregates 13F filings, Schedule 13D/G data, Form 4 insider activity, and institutional ownership tools so investors can follow fund positioning, build watchlists/filer groups, export data, and backtest crowding strategies. Free access remains available with limited tools and recent 13F history; the pricing page says there are no trial accounts, while much of the site can be explored for free. Current paid plans are Standard at $90/quarter or $300/year, Pro at $150/quarter or $500/year, and Enterprise by quote for team access, unlimited 13F API access, live data feed calls, and nightly FTP files.
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The verdict
The bottom line: StockAlert Pro and WhaleWisdom cover a lot of the same ground — 5 shared categories, including alerts, stock ideas, and screeners — so for the basics you won't go far wrong with either. The real difference is focus: only StockAlert Pro gives you calendar and dividends, and only WhaleWisdom gives you institutional data and 13f.
Key differences at a glance
Free plan
Both
Both have one
Cheaper paid plan
StockAlert Pro
$12.49/mo vs $25/mo
Desktop app
WhaleWisdom
WhaleWisdom only
Choose
StockAlert Pro if…
- You want the cheaper way in — plans start at $12.49/mo instead of $25/mo
- You care about calendar, dividends, and data visualizations — things WhaleWisdom doesn't offer
Choose
WhaleWisdom if…
- You care about institutional data, 13f, and 13d/13g — things StockAlert Pro doesn't offer
Consider alternatives if…
- You'd rather have one tool that does it all.
- Neither price feels right for what you'd get.
Comparison snapshot
Standout features
What StockAlert Pro does best
- 22 alert types across price, technical (MA crosses, RSI), volume, fundamentals (P/E, forward P/E, earnings, insider activity), dividends (ex-date/payment), and time-based reminders.
- Minute‑by‑minute monitoring during regular, pre‑market, and after‑hours sessions; notifications within seconds when conditions are met.
- AI analysis that generates long‑form equity write‑ups and suggests 2–5 ‘smart alerts’ you can one‑click activate.
- Intelligent watchlist that runs daily AI screens on tracked symbols and refreshes alert signals automatically.
- Stocks & ETFs database plus a free ‘Undervalued (P/E)’ screener and a Dividend Calendar.
What WhaleWisdom does best
- Track and analyze hedge-fund and institutional SEC filings including 13F quarterly reports, Schedule 13D/G events, Form 4 insider transactions, Form D, Form 144, N-CEN mutual-fund search, and Investment Adviser/Form ADV search tools.
- Free tier advertises past two years of 13F data, unlimited email alerts, filer groups up to 5 members, stock watchlists up to 5 stocks, backtesting over recent 13F history, and limited access to most site tools.
- 13F database history goes back to the March 31, 2001 quarter / Q1 2001; Standard and Pro unlock earlier historical 13F data, while Standard also lists historical 13D/G data back to 2006.
- Developer API uses the endpoint https://whalewisdom.com/shell/command, requires a registered account and API access keys/signatures or an authenticated browser session, and is limited to 20 requests per minute.
- API commands include quarters, stock_lookup, filer_lookup, stock_comparison, holdings_comparison, export, holdings, holders, and filer_metadata; outputs include HTML, JSON, and CSV depending on command.
Data & access details
| Attribute | StockAlert Pro | WhaleWisdom |
|---|---|---|
Asset types | StocksETFs | StocksETFsClosed-End FundsBondsOptions |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Regions | North AmericaEurope | North America |
Data freshness | 15-min DelayedEnd of Day | Not specified |
API access | REST | REST |
Export formats | JSON | CSVExcelJSON |
Seen enough? The fastest way to decide is to open both and poke around for five minutes.
Pricing breakdown
Tool
StockAlert Pro
$12.49/mo
Starting price
Plans & pricing
Tool
WhaleWisdom
$25/mo
Starting price
Plans & pricing
Coverage overlap
Where the two tools cover the same ground.
What you only get with StockAlert Pro.
What you only get with WhaleWisdom.
Community category leaders
Vote sentiment comparison
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Still deciding? Get hands-on with both — most plans offer a free tier or trial.
Frequently Asked Questions
What's the difference between StockAlert Pro and WhaleWisdom?
StockAlert Pro leans toward alerts, calendar, and dividends, while WhaleWisdom puts more weight on institutional data, 13f, and 13d/13g. They overlap in 5 categories, so for most people it comes down to workflow preference and price.
How much do StockAlert Pro and WhaleWisdom cost?
Good news — both StockAlert Pro and WhaleWisdom have free plans, so you can run them side by side and only pay if you hit a wall.
Do StockAlert Pro and WhaleWisdom have APIs?
Yes — both offer API access, so developers and quants can pull data programmatically or wire up their own integrations.
Should I choose StockAlert Pro or WhaleWisdom?
It depends on what you're after. Pick StockAlert Pro if calendar and dividends matter to you; go with WhaleWisdom if you'd rather have institutional data and 13f. And if you only need the basics both share, let price decide.
What asset classes do StockAlert Pro and WhaleWisdom cover?
Both cover stocks and ETFs. WhaleWisdom adds closed-end funds, bonds, and options on top.
Can I export data from StockAlert Pro and WhaleWisdom?
WhaleWisdom exports to CSV, Excel, and JSON. StockAlert Pro is stingier about getting data out.
Which has a better stock screener—StockAlert Pro or WhaleWisdom?
Both StockAlert Pro and WhaleWisdom include stock screeners, and they differ more in interface than raw power — try both and see which one clicks for you.
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.