★ BEST INVESTING TOOLS COMPARISON ★
VOL. XCIV, NO. 247
Source check: StreamXLS checked July 22, 2026
Tool Comparison
Portfolio123 vs StreamXLS
Start here
Portfolio123
Free • From $25/mo · Web · API · Desktop
- You'd rather start free and only pay if you outgrow it
- You want the cheaper way in: plans start at $25/mo instead of $49.17/mo
- You want an API so you can script or automate things
Pick StreamXLS instead if
StreamXLS
From $590/yr · Desktop
- You care about sheets / excel add-ins and custom dashboards, things Portfolio123 doesn't offer
- You trade often and need tooling built for speed
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 StreamXLS cover a lot of the same ground (2 shared categories, portfolio and broker connectors), so for the basics you won't go far wrong with either. Portfolio123 simply does more: 19 categories to StreamXLS's 4, including screeners, data visualizations, and quant. StreamXLS counters by keeping things simpler.
What readers say
Portfolio123
Vote once to reveal the community verdict.
StreamXLS
Vote once to reveal the community verdict.
Key differences at a glance
- Free plan
- Portfolio123
- Cheaper paid plan
- Portfolio123$25/mo vs $49.17/mo
- Free trial
- StreamXLS30 days
- Broader coverage
- Portfolio12319 vs 4 categories
- API access
- 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 | Free • From $25/mo | From $590/yr |
Free tier | Yes | No |
Free trial | — | 30 days |
Plan limits | Free Screener & Backtesting Access: duration days: 30 | 15 limits: 30-Day Full-Featured Trial: duration days: 30, Personal Monthly: licensed machines: 1 +13 more |
| Platforms & access | ||
Web app | Yes | No |
Desktop app | Yes | Yes |
Mobile app | No | No |
API access | Yes | No |
Broker sync | Yes | Yes |
Integrations | Interactive Brokers and Tradier | Microsoft Excel for Windows, Interactive Brokers Trader Workstation +2 more |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Intermediate, Advanced |
Best for | Retail Traders, Pro Retail +5 more | Retail Traders, Pro Retail +4 more |
Categories covered | 19 | 4 |
Regions | North America, Europe | — |
| Data & capabilities | ||
Data quality | 5 signals: Latency: Real-time and End of Day, Granularity: EOD +3 more | Latency: Streaming, Real-time, and 15-min Delayed |
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 StreamXLS |
Where each one shines
What Portfolio123 and StreamXLS each do best.ShowHide
Where each one shines
What Portfolio123 and StreamXLS each do best.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.
What StreamXLS does best
- Use native Excel RTD formulas to stream IBKR market quotes, account values, positions, live P&L, and open orders into a workbook.
- Connect locally to Trader Workstation or IB Gateway through the user's own TWS API installation and IBKR account.
- Work with stocks, futures, options, and FX supported by the documented contract syntax and the user's IBKR permissions.
- Monitor multiple IBKR accounts and multiple Excel instances on one licensed Windows machine.
- Reuse and deduplicate identical RTD topics, buffer updates while Excel is busy, and resubscribe after supported reconnect scenarios.
Every detail we compared
Every tracked attribute for Portfolio123 and StreamXLS, side by side.ShowHide
Every detail we compared
Every tracked attribute for Portfolio123 and StreamXLS, side by side.| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | StocksETFsClosed-End Funds | StocksOptionsFuturesCurrencies |
Experience | BeginnerIntermediateAdvanced | IntermediateAdvanced |
Target audience | Retail TradersPro RetailInstitutional InvestorsAnalystsQuants/DevelopersFinancial AdvisorsStudents/Researchers | Retail TradersPro RetailDay TradersSwing TradersAlgo TradersQuants/Developers |
Regions | North AmericaEurope | Not specified |
Coverage details | Countries: US and CAIdentifiers: Ticker | Identifiers: Ticker |
| Data | ||
Data freshness | Real-timeEnd of Day | StreamingReal-time15-min Delayed |
Data granularity | EOD | Not specified |
Data partners | FactSetS&P Global Market IntelligenceICE Data ServicesFRED | Not specified |
| Access & integrations | ||
API protocols | REST | Not specified |
API auth & delivery | Auth: APIKeySDKs: PythonDocs | Not specified |
Import methods | BrokerOAuthCSV | Not specified |
Integrations | Interactive BrokersTradier | Microsoft Excel for WindowsInteractive Brokers Trader WorkstationInteractive Brokers GatewayInteractive Brokers TWS API |
Export formats | CSVJSON | Not specified |
| Plans & trust | ||
Capability signals | Custom formulasRanking backtestsUniverse builderBroker syncRebalancingCorrelation | Not specified |
Vendor & support | Portfolio123Support: Forum | StreamXLS LLCCountry: United StatesSupport: 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)” | — |
| Entry paid plan | $25/mo“Retail Research Plans” | $590/yr≈ $49.17/mo“Personal Annual”annual price usd: 590 · licensed machines: 1 · +1 more |
| Tier 2 | — | $59/mo“Personal Monthly”licensed machines: 1 · named users: 1 |
| Tier 3 | — | $1950/yr≈ $162.50/mo“Professional Annual”annual price usd: 1,950 · licensed machines: 1 · +1 more |
| Top plan | — | $195/mo“Professional Monthly”licensed machines: 1 · named users: 1 |
| Custom / enterprise | Contact sales“Professional / API & Data Licenses” | — |
| Free trial | — | 30 days |
Questions we keep getting
What's the difference between Portfolio123 and StreamXLS?
Portfolio123 leans toward screeners, data visualizations, and quant, while StreamXLS puts more weight on sheets / excel add-ins, broker connectors, and portfolio. They overlap in 2 categories, so for most people it comes down to workflow preference and price.
Is Portfolio123 or StreamXLS free to use?
Portfolio123 has a free tier, so you can get started without paying anything. StreamXLS 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: Portfolio123 or StreamXLS?
Portfolio123 is the friendlier place to start; its interface takes less getting used to. Both work fine once you're past the basics.
Does Portfolio123 or StreamXLS have an API?
Portfolio123 has an API for programmatic access and custom integrations. StreamXLS doesn't, so you're working through its interface.
Should I choose Portfolio123 or StreamXLS?
It depends on what you're after. Pick Portfolio123 if screeners and data visualizations matter to you; go with StreamXLS if you'd rather have sheets / excel add-ins and custom dashboards. And if you only need the basics both share, let price decide.
What asset classes do Portfolio123 and StreamXLS cover?
Both cover stocks. Portfolio123 also handles ETFs and closed-end funds. StreamXLS adds options, futures, and currencies on top.
Do Portfolio123 and StreamXLS offer real-time data?
Yes, both serve real-time market data, so either works when timing matters.
Can I export data from Portfolio123 and StreamXLS?
Portfolio123 exports to CSV. StreamXLS is stingier about getting data out.
Can Portfolio123 or StreamXLS connect to my broker?
Yes, both connect to brokers, so your portfolio syncs automatically instead of you keying in every trade.
Is Portfolio123 or StreamXLS better for day trading?
StreamXLS is the one positioned more for active traders. Portfolio123 is the better fit if you care less about fast trading workflows and more about a calmer research process.
Which has a better stock screener: Portfolio123 or StreamXLS?
Portfolio123 has a stock screener for surfacing ideas; StreamXLS doesn't, and focuses its energy elsewhere.
Can I track my portfolio with Portfolio123 or StreamXLS?
Yes, both do portfolio tracking: holdings, performance, and allocation in one place.
Keep researching
More comparisons to check
Other tools you might like
Keep Exploring
Feedback
Spot stale pricing, missing features, or a comparison that feels off? Send feedback on the verdict, table, alternatives, or recommendation.
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.