★ BEST INVESTING TOOLS COMPARISON ★
VOL. XCIV, NO. 247
Tool comparison edition
Tool Comparison
Portfolio123 vs PortfoliosLab
Pick Portfolio123 if
Portfolio123
Free • From $25/mo · Web · API · Desktop
- Delayed quotes won't cut it; you need real-time data
- You care about stock ideas, scores, and valuation models, things PortfoliosLab doesn't offer
Pick PortfoliosLab if
PortfoliosLab
Free • From $8.33/mo · Web · API
- You want the cheaper way in: plans start at $8.33/mo instead of $25/mo
- You care about risk metrics, performance attribution, and stock comparison, things Portfolio123 doesn't offer
- You're a long-term investor who cares more about fundamentals than headlines
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
Portfolio123 and PortfoliosLab cover a lot of the same ground (10 shared categories, including screeners, data visualizations, and quant), so for the basics you won't go far wrong with either. The real difference is focus: only Portfolio123 gives you stock ideas and scores, and only PortfoliosLab gives you risk metrics and performance attribution.
What readers say
Portfolio123
Vote once to reveal the community verdict.
PortfoliosLab
Vote once to reveal the community verdict.
Key differences at a glance
- Cheaper paid plan
- PortfoliosLab$8.33/mo vs $25/mo
- Desktop app
- Portfolio123
- Real-time data
- Portfolio123
- Broker sync
- Portfolio123
- 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 • From $25/mo | Free • From $8.33/mo |
Free tier | Yes | Yes |
Free trial | — | — |
Plan limits | Free Screener & Backtesting Access: duration days: 30 | 23 limits: Free: watchlists: 1, Free: watchlist symbols: 100 +21 more |
| Platforms & access | ||
Web app | Yes | Yes |
Desktop app | Yes | No |
Mobile app | No | No |
API access | Yes | Yes |
Broker sync | Yes | No |
Integrations | Interactive Brokers and Tradier | MCP, ChatGPT +1 more |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Best for | Retail Traders, Pro Retail +5 more | Retail Traders, Pro Retail +6 more |
Categories covered | 19 | 17 |
Regions | North America, Europe | North America, Europe |
| Data & capabilities | ||
Data quality | 5 signals: Latency: Real-time and End of Day, Granularity: EOD +3 more | 3 signals: Latency: End of Day, Granularity: EOD +1 more |
Data partners | 4 partners: FactSet, S&P Global Market Intelligence +2 more | — |
Capabilities | 6 signals: Custom formulas, Ranking backtests +4 more | 6 signals: Factor exposure, VaR/ES +4 more |
| Try it | Visit Portfolio123 | Visit PortfoliosLab |
Where each one shines
What Portfolio123 and PortfoliosLab each do best.ShowHide
Where each one shines
What Portfolio123 and PortfoliosLab each do best.What Portfolio123 does best
- Build multifactor ranking systems, stock screens, ETF screens, and complete rules-based strategies through a web research environment.
- Run simulations and backtests with long historical equity data, custom universes, buy and sell rules, position sizing, hedging, rebalancing, and realistic assumptions.
- Use point-in-time data designed to avoid survivorship and look-ahead bias, with fundamentals, estimates, corporate actions, sector and industry classifications, and historical issues.
- Create ranking systems from fundamental, technical, sentiment, and macro factors, including public factor documentation and FRED-linked economic series.
- Use AI Factor to train machine-learning predictors for expected returns and feed those predictions into rankings, simulations, and asset-level analysis.
What PortfoliosLab does best
- Backtest portfolios and single instruments with configurable rebalancing, benchmark comparisons, and longer historical windows on paid plans.
- Analyze performance, drawdowns, volatility, VaR, CVaR, Sharpe, Sortino, Omega, Calmar, Martin, Treynor, and related risk-adjusted ratios.
- Compare stocks, ETFs, mutual funds, funds, crypto, and currency instruments across performance, risk, drawdown, and diversification views.
- Use correlation, alpha/beta, factor, diversification, and optimization tools including mean-variance, risk parity, HRP, and HERC models.
- Screen stocks, ETFs, and mutual funds with daily-recalculated filters, then export results where the selected plan allows it.
Every detail we compared
Every tracked attribute for Portfolio123 and PortfoliosLab, side by side.ShowHide
Every detail we compared
Every tracked attribute for Portfolio123 and PortfoliosLab, side by side.| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | StocksETFsClosed-End Funds | StocksETFsMutual FundsFundsCryptosCurrencies |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Target audience | Retail TradersPro RetailInstitutional InvestorsAnalystsQuants/DevelopersFinancial AdvisorsStudents/Researchers | Retail TradersPro RetailInstitutional InvestorsLong-term InvestorsIndex/Passive InvestorsQuants/DevelopersAnalystsFinancial Advisors |
Regions | North AmericaEurope | North AmericaEurope |
Coverage details | Countries: US and CAIdentifiers: Ticker | Countries: US and GBIdentifiers: Ticker |
| Data | ||
Data freshness | Real-timeEnd of Day | End of Day |
Data granularity | EOD | EOD |
Data partners | FactSetS&P Global Market IntelligenceICE Data ServicesFRED | Not specified |
| Access & integrations | ||
API protocols | REST | REST |
API auth & delivery | Auth: APIKeySDKs: PythonDocs | Auth: NoneDocs |
Import methods | BrokerOAuthCSV | ManualCSV |
Integrations | Interactive BrokersTradier | MCPChatGPTClaude |
Export formats | CSVJSON | Not specified |
| Plans & trust | ||
Capability signals | Custom formulasRanking backtestsUniverse builderBroker syncRebalancingCorrelation | Factor exposureVaR/ESPerformance attributionRebalancingPortfolio factor exposureCorrelation |
Vendor & support | Portfolio123Support: Forum | PortfoliosLabSupport: Email |
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 | Free“Manage (Free)” | Freewatchlists: 1 · watchlist symbols: 100 · +4 more |
| Entry paid plan | $25/mo“Retail Research Plans” | $8.33/mo“Plus”watchlists: 5 · private portfolios: 5 · +3 more |
| Tier 2 | — | $20.83/mo“Pro”watchlists: 10 · private portfolios: Unlimited · +3 more |
| Top plan | — | $75/mo“Max”watchlists: 10 · watchlist symbols: 2,000 · +5 more |
| Custom / enterprise | Contact sales“Professional / API & Data Licenses” | — |
Questions we keep getting
What's the difference between Portfolio123 and PortfoliosLab?
Portfolio123 leans toward screeners, data visualizations, and quant, while PortfoliosLab puts more weight on portfolio, watchlist, and backtesting. They overlap in 10 categories, so for most people it comes down to workflow preference and price.
How much do Portfolio123 and PortfoliosLab cost?
Good news: both Portfolio123 and PortfoliosLab have free plans, so you can run them side by side and only pay if you hit a wall.
Do Portfolio123 and PortfoliosLab have APIs?
Yes, both offer API access, so developers and quants can pull data programmatically or wire up their own integrations.
Should I choose Portfolio123 or PortfoliosLab?
It depends on what you're after. Pick Portfolio123 if stock ideas and scores matter to you; go with PortfoliosLab if you'd rather have risk metrics and performance attribution. And if you only need the basics both share, let price decide.
What asset classes do Portfolio123 and PortfoliosLab cover?
Both cover stocks and ETFs. Portfolio123 also handles closed-end funds. PortfoliosLab adds mutual funds, funds, and cryptos on top.
Does Portfolio123 or PortfoliosLab have real-time data?
Portfolio123 offers real-time data, which matters if you trade actively. PortfoliosLab runs on delayed or end-of-day data, which is perfectly fine for longer-term investors who don't live and die by the tick.
Can I export data from Portfolio123 and PortfoliosLab?
Portfolio123 exports to CSV. PortfoliosLab is stingier about getting data out.
Can Portfolio123 or PortfoliosLab connect to my broker?
Portfolio123 syncs with brokers automatically. With PortfoliosLab, you're entering holdings by hand or importing files.
Which has a better stock screener: Portfolio123 or PortfoliosLab?
Both Portfolio123 and PortfoliosLab include stock screeners, and they differ more in interface than raw power; try both and see which one clicks for you.
Can I track my portfolio with Portfolio123 or PortfoliosLab?
Yes, both do portfolio tracking: holdings, performance, and allocation in one place.
Keep researching
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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.