VOL. XCIV, NO. 247
★ BEST INVESTING TOOLS COMPARISON ★
NO ADVICE
Friday, January 23, 2026
Tool Comparison
Portfolio123 vs StockAlert Pro comparison
Compare pricing, supported platforms, categories, and standout capabilities to decide which tool fits your workflow.
Portfolio123
portfolio123.com
At a glance
| Portfolio123 | StockAlert Pro | |
|---|---|---|
| Free tier | ||
| Free trial | ||
| Starting price | $25/mo | $14.99/mo |
| Enterprise option | ||
| Available plans | Manage (Free), Retail Research Plans, Professional / API & Data Licenses, Research Trial | Basic, Premium (Monthly) |
Vote sentiment comparison
Cumulative positive vote share. Loading fresh totals...
Platform details
| Attribute | Portfolio123 | StockAlert Pro |
|---|---|---|
Asset types | StocksETFsClosed-End Funds | StocksETFs |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Regions | North AmericaEurope | North AmericaEurope |
Data freshness | Real-timeEnd of Day | 15-min DelayedEnd of Day |
API access | REST | REST |
Export formats | JSON | JSON |
Coverage overlap
Categories where both tools offer overlapping coverage.
Categories covered by Portfolio123 only.
Categories covered by StockAlert Pro only.
Frequently Asked Questions
What's the difference between Portfolio123 and StockAlert Pro?
Portfolio123 focuses on Screeners, Data Visualizations, and Quant while StockAlert Pro specializes in Alerts, Calendar, and Dividends. They overlap in 7 categories, so choose based on your preferred workflow and pricing.
How much do Portfolio123 and StockAlert Pro cost?
Good news—both Portfolio123 and StockAlert Pro offer free plans. You can try each platform without commitment and only pay when you need premium features.
Do Portfolio123 and StockAlert Pro have APIs?
Yes, both platforms offer API access for developers and quants who want to build custom integrations or automate their workflows.
Should I choose Portfolio123 or StockAlert Pro?
Choose Portfolio123 if you need Web‑based quant research terminal for building multifactor ranking systems, stock/ETF screens, and complete rules‑based strategies with no programming, powered by point‑in‑time FactSet data and marketed as free of survivorship and look‑ahead bias., and Supports realistic simulations and backtests over roughly 20 years of history for US, Canadian, and European equities, with custom universes, separate buy/sell rules, position sizing, hedging, and “Book of Strategies” to combine and analyze correlated systems.. Go with StockAlert Pro if 21 alert types across price, technical (MA crosses, RSI), volume, fundamentals (P/E & forward P/E), dividends (ex‑date/payment), and time‑based reminders., and Minute‑by‑minute monitoring during regular, pre‑market, and after‑hours sessions; notifications within seconds when conditions are met. better fits how you invest.
What asset classes do Portfolio123 and StockAlert Pro cover?
Both cover Stocks, and ETFs. Portfolio123 also includes Closed-End Funds.
Does Portfolio123 or StockAlert Pro have real-time data?
Portfolio123 offers real-time data feeds, which is essential for active traders. StockAlert Pro uses delayed or end-of-day data, which works fine for longer-term investors who don't need up-to-the-second quotes.
Can Portfolio123 or StockAlert Pro connect to my broker?
Portfolio123 connects with brokers for portfolio syncing. StockAlert Pro requires manual portfolio entry or data import.
Which has a better stock screener—Portfolio123 or StockAlert Pro?
Both Portfolio123 and StockAlert Pro include stock screeners. Try each to see which filtering options and interface you prefer.
Can I track my portfolio with Portfolio123 or StockAlert Pro?
Portfolio123 offers portfolio tracking features. StockAlert Pro 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.