Tool Comparison
Portfolio123 vs USAspending
- Paid from
- $25/mo
- Free plan
- Yes
- Platforms
- Web, API, Desktop
Best if
- Delayed quotes won't cut it; you need real-time data
- You want screeners, quant, and stock ideas.
- Paid from
- —
- Free plan
- Yes
- Platforms
- Web, API
Best if
- You want other and official sources.
Start here
Portfolio123
Free • From $300/yr · Web · API · Desktop
- Delayed quotes won't cut it; you need real-time data
- You want screeners, quant, and stock ideas.
Pick USAspending instead if
USAspending
Free · Web · API
- You want other and official sources.
Skip both if: Neither one clicks with how you research; there are strong third options.
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Our take
The bottom line
Portfolio123 and USAspending cover a lot of the same ground (3 shared categories, data visualizations, APIs & data feeds, and videos), so for the basics you won't go far wrong with either. Portfolio123 simply does more: 19 categories to USAspending's 5, including screeners, quant, and stock ideas. USAspending counters by being completely free.
What readers say
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USAspending
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Key differences at a glance
- Real-time data
- Portfolio123
- Broader coverage
- Portfolio12319 vs 5 categories
- Desktop app
- Portfolio123
- Global coverage
- Portfolio123
- Free plan
- Both
What Portfolio123 does best
- Build multifactor ranking systems, stock screens, ETF screens, and rules-based strategies.
- Run simulations with custom universes, buy and sell rules, position sizing, hedging, rebalancing, slippage, and commissions.
- 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.
- AI Factor to train machine-learning predictors for expected returns and feed those predictions into rankings, simulations, and asset-level analysis.
What USAspending does best
- Search federal awards, recipients, agencies, accounts, contracts, grants, loans, direct payments, insurance, and other assistance records.
- Advanced Search filters such as award type, date, place of performance, NAICS, PSC, Assistance Listing, agency, recipient, and disaster-emergency funding codes.
- Explore spending through Spending Explorer, agency profiles, and federal-account profiles before opening awards and recipients.
- The public REST API V2 with JSON responses for award and account workflows; current endpoint docs say authorization is not required.
- Download award archives, filtered awards, account data, search results, award profiles, and database files.
Side by side
Pricing comparison
See for yourself
Side by side
Price, platforms, data, and market coverage.ShowHide
Side by side
| Attribute | ||
|---|---|---|
| Pricing & plans | ||
Starting price | Free • From $300/yr | Free |
Free tier | Yes | Yes |
Free trial | — | — |
Plan limits | 25 limits: Free Screener & Backtesting Access: duration days: 30, Screener (Annual): backtest history years: 5 +23 more | — |
| Platforms & access | ||
Web app | Yes | Yes |
Desktop app | Yes | No |
Mobile app | No | No |
API access | Yes | Yes |
Broker sync | Yes | — |
Integrations | Interactive Brokers and Tradier | — |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Best for | Retail Traders, Pro Retail +5 more | — |
Categories covered | 19 | 5 |
Regions | North America, Europe | North America |
| Data & capabilities | ||
Data quality | 5 signals: Latency: Real-time and End of Day, Granularity: EOD +3 more | Latency: End of Day and Granularity: EOD |
Data partners | 4 partners: FactSet, S&P Global Market Intelligence +2 more | — |
Capabilities | 6 signals: Custom formulas, Ranking backtests +4 more | — |
| Try it | Visit Portfolio123 | Visit USAspending |
Standout features
The best features of Portfolio123 and USAspending.ShowHide
Standout features
What Portfolio123 does best
- Build multifactor ranking systems, stock screens, ETF screens, and rules-based strategies.
- Run simulations with custom universes, buy and sell rules, position sizing, hedging, rebalancing, slippage, and commissions.
- 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.
- AI Factor to train machine-learning predictors for expected returns and feed those predictions into rankings, simulations, and asset-level analysis.
What USAspending does best
- Search federal awards, recipients, agencies, accounts, contracts, grants, loans, direct payments, insurance, and other assistance records.
- Advanced Search filters such as award type, date, place of performance, NAICS, PSC, Assistance Listing, agency, recipient, and disaster-emergency funding codes.
- Explore spending through Spending Explorer, agency profiles, and federal-account profiles before opening awards and recipients.
- The public REST API V2 with JSON responses for award and account workflows; current endpoint docs say authorization is not required.
- Download award archives, filtered awards, account data, search results, award profiles, and database files.
All details
Every attribute we track for Portfolio123 and USAspending.ShowHide
All details
| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | StocksETFsClosed-End Funds | Other |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Target audience | Retail TradersPro RetailInstitutional InvestorsAnalystsQuants/DevelopersFinancial AdvisorsStudents/Researchers | Not specified |
Regions | North AmericaEurope | North America |
Coverage details | Countries: US and CAIdentifiers: Ticker | Countries: US |
| 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: APIKeyDocs | Auth: None |
Import methods | BrokerOAuthCSV | Not specified |
Integrations | Interactive BrokersTradier | Not specified |
Export formats | CSVJSON | CSVJSON |
| Plans & trust | ||
Capability signals | Custom formulasRanking backtestsUniverse builderBroker syncRebalancingCorrelation | Not specified |
Vendor & support | Portfolio123Support: Forum | U.S. Department of the Treasury - Bureau of the Fiscal ServiceCountry: USSupport: Email |
Curation ratings | Not specified | Methodology 5/5Reliability 5/5UX 4/5 |
Green tags are exclusive to that tool in this comparison.
Pricing
Plans, billing, free trials, and monthly prices.ShowHide
Pricing
| Tier | ||
|---|---|---|
| Free plan | Free“Manage (Free)” | Free |
| Entry paid plan | $300/yr≈ $25/mo“Screener (Annual)”backtest history years: 5 · resource units: 400 · +1 more | — |
| Tier 2 | $35/mo“Screener (Monthly)”backtest history years: 5 · resource units: 400 · +1 more | — |
| Tier 3 | $1000/yr≈ $83.33/mo“Backtest (Annual)”backtest history years: 10 · resource units: 1,000 · +1 more | — |
| Tier 4 | $116/mo“Backtest (Monthly)”backtest history years: 10 · resource units: 1,000 · +1 more | — |
| Tier 5 | $1500/yr≈ $125/mo“Portfolio (Annual)”backtest history years: 15 · resource units: 5,000 · +1 more | — |
| Tier 6 | $174/mo“Portfolio (Monthly)”backtest history years: 15 · resource units: 5,000 · +1 more | — |
| Tier 7 | $2400/yr≈ $200/mo“Ultimate (Annual)”backtest history years: 20 · resource units: 10,000 · +1 more | — |
| Top plan | $278/mo“Ultimate (Monthly)”backtest history years: 20 · resource units: 10,000 · +1 more | — |
| Custom / enterprise | Contact sales“Professional / API & Data Licenses” | — |
Free alternatives
Questions we keep getting
What's the difference between Portfolio123 and USAspending?
Portfolio123 leans toward screeners, data visualizations, and quant, while USAspending puts more weight on APIs & data feeds, data visualizations, and videos. They overlap in 3 categories, so for most people it comes down to workflow preference and price.
How much do Portfolio123 and USAspending cost?
Good news: both Portfolio123 and USAspending have free plans, so you can run them side by side and only pay if you hit a wall.
Do Portfolio123 and USAspending 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 USAspending?
It depends on what you're after. Pick Portfolio123 if screeners and quant matter to you; go with USAspending if you'd rather have other and official sources. And if you only need the basics both share, let price decide.
What asset classes do Portfolio123 and USAspending cover?
Portfolio123 covers stocks, ETFs, and closed-end funds. USAspending covers other.
Does Portfolio123 or USAspending have real-time data?
Portfolio123 offers real-time data, which matters if you trade actively. USAspending 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.
Which covers international markets: Portfolio123 or USAspending?
Portfolio123 has documented international coverage (North America and Europe), so it's the safer bet if you hold non-US stocks. USAspending is more region-specific, mainly North America.
Can I export data from Portfolio123 and USAspending?
Yes, both export to spreadsheets (CSV), which is handy if you like running your own numbers.
Which has a better stock screener: Portfolio123 or USAspending?
Portfolio123 has a stock screener for surfacing ideas; USAspending doesn't, and focuses its energy elsewhere.
Can I track my portfolio with Portfolio123 or USAspending?
Portfolio123 handles portfolio tracking. USAspending is really a research tool; you'd track your portfolio elsewhere.
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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.