★ BEST INVESTING TOOLS COMPARISON ★
VOL. XCIV, NO. 247
Source check: TradeLog checked July 22, 2026
Tool Comparison
Portfolio123 vs TradeLog
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 want an API so you can script or automate things
Pick TradeLog if
TradeLog
From $219/yr · Desktop
- You want the cheaper way in: plans start at $18.25/mo instead of $25/mo
- You care about tax lots / lot optimization, wash sale detection, and downloadable tax reports, 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 TradeLog cover a lot of the same ground (3 shared categories, data visualizations, portfolio, and broker connectors), so for the basics you won't go far wrong with either. Portfolio123 simply does more: 19 categories to TradeLog's 6, including screeners, quant, and stock ideas. TradeLog counters by starting cheaper at $18.25/mo.
What readers say
Portfolio123
Vote once to reveal the community verdict.
TradeLog
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Key differences at a glance
- Free plan
- Portfolio123
- Cheaper paid plan
- TradeLog$18.25/mo vs $25/mo
- Free trial
- TradeLog30 days
- Broader coverage
- Portfolio12319 vs 6 categories
- API access
- Portfolio123
- Real-time data
- 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 $219/yr |
Free tier | Yes | No |
Free trial | — | 30 days |
Plan limits | Free Screener & Backtesting Access: duration days: 30 | 9 limits: 30-Day Free Trial: finalized tax reports: 0, 30-Day Free Trial: duration days: 30 +7 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 | Supported broker file imports, BrokerConnect for selected brokers +3 more |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Intermediate, Advanced |
Best for | Retail Traders, Pro Retail +5 more | Retail Traders, Pro Retail +2 more |
Categories covered | 19 | 6 |
Regions | North America, Europe | North America |
| Data & capabilities | ||
Data quality | 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 | 6 signals: Custom formulas, Ranking backtests +4 more | 4 signals: Broker sync, Tax lots +2 more |
| Try it | Visit Portfolio123 | Visit TradeLog |
Where each one shines
What Portfolio123 and TradeLog each do best.ShowHide
Where each one shines
What Portfolio123 and TradeLog 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 TradeLog does best
- Maintain one local TradeLog data file per taxpayer and tax year with trade history from multiple brokerage accounts, including IRAs.
- Import actual trade history through supported broker files, selected BrokerConnect connections, Excel-compatible files, or manual entry when the necessary transaction fields are available.
- Identify and adjust wash sales for stocks, options, and short sales across accounts, including IRA wash sales and deferrals carried into the next tax year.
- Generate Form 8949 details for Schedule D after required year-end holdings verification and gross-proceeds reconciliation against broker Forms 1099-B.
- Prepare Form 6781 details for supported Section 1256 contracts and, on Trader or Elite, Form 4797 and Section 481 details for eligible Section 475 mark-to-market traders.
Every detail we compared
Every tracked attribute for Portfolio123 and TradeLog, side by side.ShowHide
Every detail we compared
Every tracked attribute for Portfolio123 and TradeLog, side by side.| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | StocksETFsClosed-End Funds | StocksETFsMutual FundsBondsOptionsFuturesCurrenciesCryptos |
Experience | BeginnerIntermediateAdvanced | IntermediateAdvanced |
Target audience | Retail TradersPro RetailInstitutional InvestorsAnalystsQuants/DevelopersFinancial AdvisorsStudents/Researchers | Retail TradersPro RetailDay TradersSwing Traders |
Regions | North AmericaEurope | North America |
Coverage details | Countries: US and CAIdentifiers: Ticker | Countries: USIdentifiers: Ticker |
| Data | ||
Data freshness | Real-timeEnd of Day | Not specified |
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 | CSVBrokerOAuthManual |
Integrations | Interactive BrokersTradier | Supported broker file importsBrokerConnect for selected brokersTurboTaxTaxActH&R Block |
Export formats | CSVJSON | PDF |
| Plans & trust | ||
Capability signals | Custom formulasRanking backtestsUniverse builderBroker syncRebalancingCorrelation | Broker syncTax lotsWash sale detectionCost basis: FIFO and SpecificLot |
Vendor & support | Portfolio123Support: Forum | Cogenta Computing, Inc.Country: United StatesFounded 1999Support: Email and Phone |
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” | $219/yr≈ $18.25/mo“Investor”trade records: 1,500 · included file keys: 1 |
| Tier 2 | — | $359/yr≈ $29.92/mo“Trader”trade records: 5,000 · included file keys: 1 |
| Top plan | — | $459/yr≈ $38.25/mo“Elite”trade records: More than 5,000 · included file keys: 1 |
| Custom / enterprise | Contact sales“Professional / API & Data Licenses” | — |
| Free trial | — | 30 days |
Questions we keep getting
What's the difference between Portfolio123 and TradeLog?
Portfolio123 leans toward screeners, data visualizations, and quant, while TradeLog puts more weight on portfolio, data visualizations, and tax lots / lot optimization. They overlap in 3 categories, so for most people it comes down to workflow preference and price.
Is Portfolio123 or TradeLog free to use?
Portfolio123 has a free tier, so you can get started without paying anything. TradeLog 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 TradeLog?
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 TradeLog have an API?
Portfolio123 has an API for programmatic access and custom integrations. TradeLog doesn't, so you're working through its interface.
Should I choose Portfolio123 or TradeLog?
It depends on what you're after. Pick Portfolio123 if screeners and quant matter to you; go with TradeLog if you'd rather have tax lots / lot optimization and wash sale detection. And if you only need the basics both share, let price decide.
What asset classes do Portfolio123 and TradeLog cover?
Both cover stocks and ETFs. Portfolio123 also handles closed-end funds. TradeLog adds mutual funds, bonds, and options on top.
Does Portfolio123 or TradeLog have real-time data?
Portfolio123 offers real-time data, which matters if you trade actively. TradeLog 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 TradeLog?
Portfolio123 has documented international coverage (North America and Europe), so it's the safer bet if you hold non-US stocks. TradeLog is more region-specific, mainly North America.
Can I export data from Portfolio123 and TradeLog?
Portfolio123 exports to CSV. TradeLog is stingier about getting data out.
Can Portfolio123 or TradeLog connect to my broker?
Yes, both connect to brokers, so your portfolio syncs automatically instead of you keying in every trade.
Is Portfolio123 or TradeLog better for day trading?
TradeLog 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 TradeLog?
Portfolio123 has a stock screener for surfacing ideas; TradeLog doesn't, and focuses its energy elsewhere.
Can I track my portfolio with Portfolio123 or TradeLog?
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.