VOL. XCIV, NO. 247
★ BEST INVESTING TOOLS COMPARISON ★
NO ADVICE
Wednesday, June 3, 2026
Tool Comparison · Wednesday, June 3, 2026
Portfolio123 vs Reflexivity
Portfolio123 vs Reflexivity: which investing tool fits your workflow? Compare pricing, features, platforms, and verdict in seconds.
Portfolio123
Pickportfolio123.com
Best for data visualizations, and stock ideas
- Pricing
- Free • From $25/mo
- Platforms
- Web, API, Desktop
Reflexivity
reflexivity.com
Best for performance attribution, and scenario & stress tests
- Pricing
- Subscription
- Platforms
- Web, API
Outbound links may include affiliate or sponsor codes.
Comparison snapshot
Who should choose which?
Choose
Portfolio123 if…
- You want to start free before paying
- You’re just getting started and want an approachable UI
- 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.
- You need 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.
Choose
Reflexivity if…
- You need institutional-grade ai research environment with verified data from s&p global, lseg datastream, nasdaq, and cboe-all included without the need for separate data contracts.
- You need deep research agent that can write and execute python, run backtests, generate excel models, export code and data, and produce publication-ready reports.
- You need document intelligence to search and extract from sec filings, transcripts, presentations, and central bank documents; includes ocr for charts and tables and custom ingestion for proprietary docs.
- You need portfolio insights delivers real-time alerts, risk/exposure analytics, and performance attribution. portfolios can be replicated via manual entry or file upload. the system produces over 1,500 daily insights spanning 40k+ assets, 250+ indicators, and 20 years of history.
Consider alternatives if…
- You want broader category coverage in one tool.
- Neither pricing tier fits your budget.
Side-by-side feature breakdown
| Attribute | Portfolio123 | Reflexivity |
|---|---|---|
Asset types | StocksETFsClosed-End Funds | StocksETFsBondsCommoditiesCurrencies |
Experience | BeginnerIntermediateAdvanced | IntermediateAdvanced |
Regions | North AmericaEurope | North AmericaEuropeAPACLatAmMiddle EastAfrica |
Data freshness | Real-timeEnd of Day | Real-timeEnd of Day |
API access | REST | Not specified |
Export formats | JSON | Excel |
Seen enough? Open either tool and try it now.
Pricing breakdown
Tool
Portfolio123
$9
Starting price
Plans & pricing
Tool
Reflexivity
—
Starting price
Plans & pricing
Pricing not published
Coverage overlap
Categories where both tools offer overlapping coverage.
Categories covered by Portfolio123 only.
Categories covered by Reflexivity only.
Community category leaders
Vote sentiment comparison
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Still deciding? Get hands-on with both — most plans offer a free tier or trial.
Frequently Asked Questions
What's the difference between Portfolio123 and Reflexivity?
Portfolio123 focuses on Screeners, Data Visualizations, and Quant while Reflexivity specializes in Screeners, Quant, and Performance Attribution. They overlap in 6 categories, so choose based on your preferred workflow and pricing.
Is Portfolio123 or Reflexivity free to use?
Portfolio123 offers a free tier that lets you get started without paying, while Reflexivity requires a subscription. If budget is a concern, start with Portfolio123 and upgrade later if you need more advanced features.
Which is better for beginners—Portfolio123 or Reflexivity?
Portfolio123 is more beginner-friendly with an approachable interface. Both can work for intermediate users.
Do Portfolio123 and Reflexivity 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 Reflexivity?
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 Reflexivity if Institutional-grade AI research environment with verified data from S&P Global, LSEG Datastream, Nasdaq, and Cboe-all included without the need for separate data contracts., and Deep Research agent that can write and execute Python, run backtests, generate Excel models, export code and data, and produce publication-ready reports. better fits how you invest.
What asset classes do Portfolio123 and Reflexivity cover?
Both cover Stocks, and ETFs. Portfolio123 also includes Closed-End Funds. Reflexivity adds coverage for Bonds, Commodities, and Currencies.
Do Portfolio123 and Reflexivity offer real-time data?
Yes, both platforms provide real-time market data. This makes either suitable for active trading strategies where timing matters.
Can I export data from Portfolio123 and Reflexivity?
Reflexivity supports data exports to Excel. Portfolio123 has more limited export options.
Can Portfolio123 or Reflexivity connect to my broker?
Portfolio123 connects with brokers for portfolio syncing. Reflexivity requires manual portfolio entry or data import.
Which has a better stock screener—Portfolio123 or Reflexivity?
Both Portfolio123 and Reflexivity include stock screeners. Try each to see which filtering options and interface you prefer.
Can I track my portfolio with Portfolio123 or Reflexivity?
Both platforms include portfolio tracking, so you can monitor your holdings, performance, and allocation in one place.
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.