VOL. XCIV, NO. 247
BEST INVESTING TOOLS COMPARISON
Source checks: Curvo Backtest checked September 30, 2026 · FactorsToday checked September 24, 2026
Tool Comparison
Curvo Backtest vs FactorsToday
- Paid from
- —
- Free plan
- Yes
- Platforms
- Web
Best if
- You want monte carlo.
- You're newer to investing and want something approachable
- You're a long-term investor who cares more about fundamentals than headlines
- Paid from
- —
- Free plan
- Yes
- Platforms
- Web, API
Best if
- Delayed quotes won't cut it; you need real-time data
- You want an API so you can script or automate things
- You want screeners, quant, and stock comparison.
Pick Curvo Backtest instead if
Curvo Backtest
Free · Web
- You want monte carlo.
- You're newer to investing and want something approachable
Start here
FactorsToday
Free · Web · API
- Delayed quotes won't cut it; you need real-time data
- You want an API so you can script or automate things
- You want screeners, quant, and stock comparison.
Skip both if: Neither one clicks with how you research; there are strong third options.
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Our take
The bottom line
Curvo Backtest and FactorsToday cover a lot of the same ground (5 shared categories, including backtesting, portfolio, and risk metrics), so for the basics you won't go far wrong with either. FactorsToday simply does more: 13 categories to Curvo Backtest's 6, including screeners, quant, and stock comparison. Curvo Backtest counters by being completely free.
What readers say
Curvo Backtest
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FactorsToday
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Key differences at a glance
- Real-time data
- FactorsToday
- Broader coverage
- FactorsToday13 vs 6 categories
- API access
- FactorsToday
- Asset coverage
- FactorsTodayAdds stocks and closed-end funds
- Beginner friendly
- Curvo Backtest
- Free plan
- Both
What Curvo Backtest does best
- Set fund weights and compare allocations.
- Model returns using underlying index histories.
- Include each fund's TER in the simulation.
- Test allocation drift thresholds.
- Send a link to the portfolio setup.
What FactorsToday does best
- Factor dashboards report intraday and multi-period returns, z-scores, pair relationships, correlations, seasonality, and valuations.
- Stock pages use ElasticNet regression with cross-validation to estimate exposures across four nested models.
- Portfolio analysis accepts holdings, compares exposures with a benchmark, and applies user-defined factor-return scenarios.
- Performance attribution applies rolling ordinary-least-squares regressions to uploaded or pasted returns and exports results to Excel.
- The factor builder searches for stocks matching target exposures and displays simulated historical results.
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 | Free |
Free tier | Yes | Yes |
Free trial | — | — |
Plan limits | — | Current public access: api: 10 requests/second/IP and Current public access: access policy: No long-term free-access commitment published |
| Platforms & access | ||
Web app | Yes | Yes |
Mobile app | No | No |
API access | No | Yes |
Broker sync | — | No |
| Audience & fit | ||
Experience level | Beginner, Intermediate | Intermediate, Advanced |
Best for | Index/Passive Investors and Long-term Investors | Analysts and Quants/Developers |
Categories covered | 6 | 13 |
Regions | Europe | — |
| Data & capabilities | ||
Data quality | Adjustments: TotalReturn and Pricing: Model | 3 signals: Latency: Real-time and End of Day, Granularity: EOD and Minute +1 more |
Capabilities | Monte Carlo and Rebalancing | 7 signals: Universe builder, Factors: Value, Quality, Momentum, Growth, LowVol, and Size +5 more |
| Try it | Visit Curvo Backtest | Visit FactorsToday |
Standout features
The best features of Curvo Backtest and FactorsToday.ShowHide
Standout features
What Curvo Backtest does best
- Set fund weights and compare allocations.
- Model returns using underlying index histories.
- Include each fund's TER in the simulation.
- Test allocation drift thresholds.
- Send a link to the portfolio setup.
What FactorsToday does best
- Factor dashboards report intraday and multi-period returns, z-scores, pair relationships, correlations, seasonality, and valuations.
- Stock pages use ElasticNet regression with cross-validation to estimate exposures across four nested models.
- Portfolio analysis accepts holdings, compares exposures with a benchmark, and applies user-defined factor-return scenarios.
- Performance attribution applies rolling ordinary-least-squares regressions to uploaded or pasted returns and exports results to Excel.
- The factor builder searches for stocks matching target exposures and displays simulated historical results.
All details
Every attribute we track for Curvo Backtest and FactorsToday.ShowHide
All details
| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | ETFsMutual Funds | StocksETFsMutual FundsClosed-End Funds |
Experience | BeginnerIntermediate | IntermediateAdvanced |
Target audience | Index/Passive InvestorsLong-term Investors | AnalystsQuants/Developers |
Regions | Europe | Not specified |
Coverage details | Identifiers: ISIN and Ticker | Identifiers: Ticker |
| Data | ||
Data freshness | Not specified | Real-timeEnd of Day |
Data granularity | Not specified | EODMinute |
Pricing sources | Model | Not specified |
| Access & integrations | ||
API protocols | Not specified | REST |
API auth & delivery | Not specified | Auth: None600 req/minDocs |
Import methods | Not specified | CSVManual |
Export formats | Not specified | CSVExcelJSON |
| Plans & trust | ||
Capability signals | Monte CarloRebalancing | Universe builderFactors: Value, Quality, Momentum, Growth, LowVol, and SizeFactor exposurePerformance attributionPortfolio attributionPortfolio factor exposureCorrelation |
Vendor & support | Not specified | FactorsToday (operated by Lukasz R. Tomicki)Country: USSupport: Email |
Green tags are exclusive to that tool in this comparison.
Pricing
Plans, billing, free trials, and monthly prices.ShowHide
Pricing
| Tier | ||
|---|---|---|
| Free plan | Free | Free“Current public access”api: 10 requests/second/IP · access policy: No long-term free-access commitment published |
Questions we keep getting
What's the difference between Curvo Backtest and FactorsToday?
Curvo Backtest leans toward backtesting, portfolio, and risk metrics, while FactorsToday puts more weight on screeners, quant, and data visualizations. They overlap in 5 categories, so for most people it comes down to workflow preference and price.
How much do Curvo Backtest and FactorsToday cost?
Good news: both Curvo Backtest and FactorsToday have free plans, so you can run them side by side and only pay if you hit a wall.
Which is better for beginners: Curvo Backtest or FactorsToday?
Curvo Backtest is the friendlier place to start; its interface takes less getting used to. FactorsToday assumes more experience, and rewards it with deeper analytics.
Does Curvo Backtest or FactorsToday have an API?
FactorsToday has an API for programmatic access and custom integrations. Curvo Backtest doesn't, so you're working through its interface.
Should I choose Curvo Backtest or FactorsToday?
It depends on what you're after. Pick Curvo Backtest if monte carlo matter to you; go with FactorsToday if you'd rather have screeners and quant. And if you only need the basics both share, let price decide.
What asset classes do Curvo Backtest and FactorsToday cover?
Both cover ETFs and mutual funds. FactorsToday adds stocks and closed-end funds on top.
Does Curvo Backtest or FactorsToday have real-time data?
FactorsToday offers real-time data, which matters if you trade actively. Curvo Backtest 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.
Can I export data from Curvo Backtest and FactorsToday?
FactorsToday exports to CSV and Excel. Curvo Backtest is stingier about getting data out.
Which has a better stock screener: Curvo Backtest or FactorsToday?
FactorsToday has a stock screener for surfacing ideas; Curvo Backtest doesn't, and focuses its energy elsewhere.
Can I track my portfolio with Curvo Backtest or FactorsToday?
Yes, both do portfolio tracking: holdings, performance, and allocation in one place.
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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.