VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Sunday, October 5, 2025

View Portfolio123View USAspendingBack to Home

Head-to-head

Portfolio123 vs USAspending comparison

Compare pricing, supported platforms, categories, and standout capabilities to decide which tool fits your workflow.

Quick takeaways

Portfolio123 adds Screeners, Quant, Backtesting, Portfolio, Correlation, Calendar, and Broker Connectors coverage that USAspending skips.

USAspending includes Videos, and Other categories that Portfolio123 omits.

Portfolio123 highlights: Build custom multi-factor ranking systems and rank stocks by universe, sector, or industry., Spreadsheet-style screening with formulas (including Piotroski F-Score) across current and historical data., and Backtesting with realistic assumptions for slippage, commissions, buy/sell rules, position sizing, and hedging..

USAspending is known for: Advanced Search & profiles across awards, recipients, agencies, federal accounts; filters include date, place of performance, NAICS/PSC, Assistance Listing (formerly CFDA), DEFC for COVID/infrastructure., Spending Explorer and Agency/Federal Account profiles for top‑down views of obligations/outlays and drill‑downs by budget hierarchy., and Public REST API that powers the website (GET & POST endpoints; JSON responses); tutorial and contracts for commonly used endpoints..

Portfolio123 logo

Portfolio123

portfolio123.com

Editor’s pick Hands-on review

Quant research and live-deployment platform with point-in-time fundamentals and estimates. Users can screen, backtest, and simulate strategies, then deploy them live with broker integrations. Supports API access and a no-code desktop DataMiner. FactSet or S&P Compustat licenses are required for full historical fundamentals.

Platforms

Web
Desktop
API

Pricing

Free
Subscription

Quick highlights

  • Build custom multi-factor ranking systems and rank stocks by universe, sector, or industry.
  • Spreadsheet-style screening with formulas (including Piotroski F-Score) across current and historical data.
  • Backtesting with realistic assumptions for slippage, commissions, buy/sell rules, position sizing, and hedging.
  • ‘Books’ feature to combine multiple strategies and view correlations between them.
  • Point-in-time fundamentals, estimates, and corporate actions with dividends handled on ex/pay dates (no survivorship bias or look-ahead).

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USAspending logo

USAspending

usaspending.gov

Official U.S. federal spending open‑data portal mandated by the DATA Act and operated by Treasury’s Bureau of the Fiscal Service. The public REST API powers the site (GET/POST endpoints, JSON responses). Data refreshes daily after a nightly pipeline; underlying source systems update on different cadences (e.g., monthly for Files A/B/C via the DATA Act Broker; next‑day for FPDS contracts; FABS within 2 weeks; FSRS subawards by month‑end; GTAS monthly). Bulk downloads and archives are available for awards back to FY2008.

Platforms

Web
API

Pricing

Free

Quick highlights

  • Advanced Search & profiles across awards, recipients, agencies, federal accounts; filters include date, place of performance, NAICS/PSC, Assistance Listing (formerly CFDA), DEFC for COVID/infrastructure.
  • Spending Explorer and Agency/Federal Account profiles for top‑down views of obligations/outlays and drill‑downs by budget hierarchy.
  • Public REST API that powers the website (GET & POST endpoints; JSON responses); tutorial and contracts for commonly used endpoints.
  • Bulk data: Award Data Archive (pre‑generated, by agency/fiscal year), Custom Award Data, Custom Account Data, and full Database Download.
  • Award coverage: contracts, contract IDVs, grants, direct payments, loans, insurance, other financial assistance; prime awards and subawards (FSRS).

Community votes (overall)

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Overlap

Shared focus areas

3 overlaps

Mutual strengths include APIs & SDKs, Data APIs, and Data Visualizations.

Where they differ

Portfolio123

Distinct strengths include:

Screeners
Quant
Backtesting
Portfolio
Correlation
Calendar
Broker Connectors
  • Build custom multi-factor ranking systems and rank stocks by universe, sector, or industry.
  • Spreadsheet-style screening with formulas (including Piotroski F-Score) across current and historical data.
  • Backtesting with realistic assumptions for slippage, commissions, buy/sell rules, position sizing, and hedging.
  • ‘Books’ feature to combine multiple strategies and view correlations between them.

USAspending

Distinct strengths include:

Videos
Other
  • Advanced Search & profiles across awards, recipients, agencies, federal accounts; filters include date, place of performance, NAICS/PSC, Assistance Listing (formerly CFDA), DEFC for COVID/infrastructure.
  • Spending Explorer and Agency/Federal Account profiles for top‑down views of obligations/outlays and drill‑downs by budget hierarchy.
  • Public REST API that powers the website (GET & POST endpoints; JSON responses); tutorial and contracts for commonly used endpoints.
  • Bulk data: Award Data Archive (pre‑generated, by agency/fiscal year), Custom Award Data, Custom Account Data, and full Database Download.

Feature-by-feature breakdown

AttributePortfolio123USAspending
Categories

Which research workflows each platform targets

Shared: APIs & SDKs, Data APIs, Data Visualizations

Unique: Screeners, Quant, Backtesting, Portfolio, Correlation, Calendar, Broker Connectors

Shared: APIs & SDKs, Data APIs, Data Visualizations

Unique: Videos, Other

Asset types

Supported asset classes and universes

Stocks, ETFs

Other

Experience levels

Who each product is built for

Beginner, Intermediate, Advanced

Beginner, Intermediate, Advanced

Platforms

Where you can access the product

Web, Desktop, API

Web, API

Pricing

High-level pricing models

Free, Subscription

Free

Key features

Core capabilities called out by each vendor

Unique

  • Build custom multi-factor ranking systems and rank stocks by universe, sector, or industry.
  • Spreadsheet-style screening with formulas (including Piotroski F-Score) across current and historical data.
  • Backtesting with realistic assumptions for slippage, commissions, buy/sell rules, position sizing, and hedging.
  • ‘Books’ feature to combine multiple strategies and view correlations between them.
  • Point-in-time fundamentals, estimates, and corporate actions with dividends handled on ex/pay dates (no survivorship bias or look-ahead).
  • Coverage of 15,000+ equities in the U.S., Canada, and Europe, including delisted stocks and spinoffs.

Unique

  • Advanced Search & profiles across awards, recipients, agencies, federal accounts; filters include date, place of performance, NAICS/PSC, Assistance Listing (formerly CFDA), DEFC for COVID/infrastructure.
  • Spending Explorer and Agency/Federal Account profiles for top‑down views of obligations/outlays and drill‑downs by budget hierarchy.
  • Public REST API that powers the website (GET & POST endpoints; JSON responses); tutorial and contracts for commonly used endpoints.
  • Bulk data: Award Data Archive (pre‑generated, by agency/fiscal year), Custom Award Data, Custom Account Data, and full Database Download.
  • Award coverage: contracts, contract IDVs, grants, direct payments, loans, insurance, other financial assistance; prime awards and subawards (FSRS).
  • Entity identifiers: UEI (replaced DUNS on Apr 4, 2022) used for recipients as the governmentwide identifier (via SAM.gov).
Tested

Verified by hands-on testing inside Find My Moat

Yes

Not yet

Editor pick

Featured inside curated shortlists

Highlighted

Standard listing

Frequently Asked Questions

Which workflows do Portfolio123 and USAspending both support?

Both platforms cover APIs & SDKs, Data APIs, and Data Visualizations workflows, so you can research those use cases in either tool before digging into the feature differences below.

Do Portfolio123 and USAspending require subscriptions?

Both Portfolio123 and USAspending keep freemium access with optional paid upgrades, so you can trial each platform before committing.

How can you access Portfolio123 and USAspending?

Both Portfolio123 and USAspending prioritize web or desktop access. Investors wanting a mobile-first workflow may need to rely on responsive web views.

What unique strengths set the two platforms apart?

Portfolio123 differentiates itself with Build custom multi-factor ranking systems and rank stocks by universe, sector, or industry., Spreadsheet-style screening with formulas (including Piotroski F-Score) across current and historical data., and Backtesting with realistic assumptions for slippage, commissions, buy/sell rules, position sizing, and hedging., whereas USAspending stands out for Advanced Search & profiles across awards, recipients, agencies, federal accounts; filters include date, place of performance, NAICS/PSC, Assistance Listing (formerly CFDA), DEFC for COVID/infrastructure., Spending Explorer and Agency/Federal Account profiles for top‑down views of obligations/outlays and drill‑downs by budget hierarchy., and Public REST API that powers the website (GET & POST endpoints; JSON responses); tutorial and contracts for commonly used endpoints..

Keep exploring

Stay on top of related tools

Browse the categories and profiles that overlap most with this comparison to round out your shortlist.

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.