★ BEST INVESTING TOOLS COMPARISON ★
VOL. XCIV, NO. 247
Source check: Cbonds checked July 18, 2026
Tool Comparison
Cbonds vs Portfolio123
Pick Cbonds if
Cbonds
Subscription, Other · Web · Mobile · API
- You do a lot of your research from your phone
- You care about yield curves, credit ratings & outlooks, and new issues & calendars, things Portfolio123 doesn't offer
Pick Portfolio123 if
Portfolio123
Free • From $25/mo · Web · API · Desktop
- You'd rather start free and only pay if you outgrow it
- Delayed quotes won't cut it; you need real-time data
- You care about data visualizations, quant, and stock ideas, things Cbonds 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
Cbonds and Portfolio123 cover a lot of the same ground (4 shared categories, including screeners, portfolio, and watchlist), so for the basics you won't go far wrong with either. Portfolio123 simply does more: 19 categories to Cbonds's 8, including data visualizations, quant, and stock ideas. Cbonds counters by keeping things simpler.
What readers say
Cbonds
Vote once to reveal the community verdict.
Portfolio123
Vote once to reveal the community verdict.
Key differences at a glance
- Free plan
- Portfolio123
- Broader coverage
- Portfolio12319 vs 8 categories
- Mobile app
- Cbonds
- Desktop app
- Portfolio123
- Real-time data
- Portfolio123
- Beginner friendly
- Portfolio123
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 | Subscription, Other | Free • From $25/mo |
Free tier | No | Yes |
Free trial | — | — |
Plan limits | — | Free Screener & Backtesting Access: duration days: 30 |
| Platforms & access | ||
Web app | Yes | Yes |
Desktop app | No | Yes |
Mobile app | Yes | No |
API access | Yes | Yes |
Broker sync | — | Yes |
Integrations | Cbonds Excel Add-In | Interactive Brokers and Tradier |
| Audience & fit | ||
Experience level | Intermediate, Advanced | Beginner, Intermediate, Advanced |
Best for | Analysts, Institutional Investors +3 more | Retail Traders, Pro Retail +5 more |
Categories covered | 8 | 19 |
Regions | North America, Europe, APAC, LatAm, Middle East, Africa | North America, Europe |
| Data & capabilities | ||
Data quality | Latency: End of Day | 5 signals: Latency: Real-time and End of Day, Granularity: EOD +3 more |
Data partners | — | 4 partners: FactSet, S&P Global Market Intelligence +2 more |
Capabilities | Yield curves and Credit ratings | 6 signals: Custom formulas, Ranking backtests +4 more |
| Try it | Visit Cbonds | Visit Portfolio123 |
Where each one shines
What Cbonds and Portfolio123 each do best.ShowHide
Where each one shines
What Cbonds and Portfolio123 each do best.What Cbonds does best
- Global bond screening with reference terms, yields, quotes, ratings, and issue data.
- New-issue, coupon, redemption, corporate-action, and other fixed-income calendars.
- Coverage beyond bonds for stocks, ETFs, mutual funds, indices, and yield curves.
- Watchlist, portfolio, mobile, Excel export, and Professional-tier Excel add-in workflows.
- Company data delivery through HTTP endpoints, SOAP or JSON web services, and CSV, XML, XLSX, or XLS files.
What Portfolio123 does best
- Tools for building multifactor ranking systems, stock screens, ETF screens, and complete rules-based strategies through a web research environment.
- Tools for running simulations and backtests with long historical equity data, custom universes, buy and sell rules, position sizing, hedging, rebalancing, and realistic assumptions.
- Point-in-time data designed to avoid survivorship and look-ahead bias, with fundamentals, estimates, corporate actions, sector and industry classifications, and historical issues.
- Tools for creating ranking systems from fundamental, technical, sentiment, and macro factors, including public factor documentation and FRED-linked economic series.
- AI Factor to train machine-learning predictors for expected returns and feed those predictions into rankings, simulations, and asset-level analysis.
Every detail we compared
Every tracked attribute for Cbonds and Portfolio123, side by side.ShowHide
Every detail we compared
Every tracked attribute for Cbonds and Portfolio123, side by side.| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | BondsStocksETFsMutual Funds | StocksETFsClosed-End Funds |
Experience | IntermediateAdvanced | BeginnerIntermediateAdvanced |
Target audience | AnalystsInstitutional InvestorsAsset ManagersFinancial AdvisorsPro Retail | Retail TradersPro RetailInstitutional InvestorsAnalystsQuants/DevelopersFinancial AdvisorsStudents/Researchers |
Regions | North AmericaEuropeAPACLatAmMiddle EastAfrica | North AmericaEurope |
Coverage details | Identifiers: ISIN, CUSIP, and Ticker | Countries: US and CAIdentifiers: Ticker |
| Data | ||
Data freshness | End of Day | Real-timeEnd of Day |
Data granularity | Not specified | EOD |
Data partners | Not specified | FactSetS&P Global Market IntelligenceICE Data ServicesFRED |
| Access & integrations | ||
API protocols | REST | REST |
API auth & delivery | Auth: APIKeyDocs | Auth: APIKeySDKs: PythonDocs |
Import methods | Not specified | BrokerOAuthCSV |
Integrations | Cbonds Excel Add-In | Interactive BrokersTradier |
Export formats | CSVExcelJSONXML | CSVJSON |
| Plans & trust | ||
Capability signals | Yield curvesCredit ratings | Custom formulasRanking backtestsUniverse builderBroker syncRebalancingCorrelation |
Vendor & support | CbondsSupport: Email and Phone | Portfolio123Support: Forum |
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)” |
| Entry paid plan | — | $25/mo“Retail Research Plans” |
| Custom / enterprise | — | Contact sales“Professional / API & Data Licenses” |
Questions we keep getting
What's the difference between Cbonds and Portfolio123?
Cbonds leans toward screeners, yield curves, and credit ratings & outlooks, while Portfolio123 puts more weight on screeners, data visualizations, and quant. They overlap in 4 categories, so for most people it comes down to workflow preference and price.
Is Cbonds or Portfolio123 free to use?
Portfolio123 has a free tier, so you can get started without paying anything. Cbonds is paid-only. If budget matters, start with Portfolio123 and see how far it takes you before opening your wallet.
Which is better for beginners: Cbonds or Portfolio123?
Portfolio123 is the friendlier place to start; its interface takes less getting used to. Both work fine once you're past the basics.
Can I use Cbonds or Portfolio123 on my phone?
Cbonds lists a dedicated mobile app, so it travels better. Portfolio123 doesn't list a dedicated mobile app; its documented access is web, API, and desktop.
Do Cbonds and Portfolio123 have APIs?
Yes, both offer API access, so developers and quants can pull data programmatically or wire up their own integrations.
Should I choose Cbonds or Portfolio123?
It depends on what you're after. Pick Cbonds if yield curves and credit ratings & outlooks matter to you; go with Portfolio123 if you'd rather have data visualizations and quant. And if you only need the basics both share, let price decide.
What asset classes do Cbonds and Portfolio123 cover?
Both cover stocks and ETFs. Cbonds also handles bonds and mutual funds. Portfolio123 adds closed-end funds on top.
Does Cbonds or Portfolio123 have real-time data?
Portfolio123 offers real-time data, which matters if you trade actively. Cbonds 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 Cbonds and Portfolio123?
Yes, both export to spreadsheets (CSV), which is handy if you like running your own numbers.
Which has a better stock screener: Cbonds or Portfolio123?
Both Cbonds and Portfolio123 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 Cbonds or Portfolio123?
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.