★ BEST INVESTING TOOLS COMPARISON ★
VOL. XCIV, NO. 247
Tool comparison edition
Tool Comparison
FINVIZ vs MesoSim
FINVIZ
Best for screeners and ETF screeners
Free • From $299.5/yr
MesoSim
Best for paper trading and AI research
Free • From $1000/yr
FINVIZ
Best for screeners and ETF screeners
Free • From $299.5/yr
MesoSim
Best for paper trading and AI research
Free • From $1000/yr
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The verdict
The bottom line
FINVIZ and MesoSim cover a lot of the same ground (4 shared categories, including data visualizations, backtesting, and options), so for the basics you won't go far wrong with either. FINVIZ simply does more: 17 categories to MesoSim's 7, including screeners, ETF screeners, and stock comparison. MesoSim counters by keeping things simpler.
Key differences at a glance
- Real-time data
- FINVIZ
- Cheaper paid plan
- FINVIZ$24.96/mo vs $83.33/mo
- Free trial
- FINVIZ7 days
- Broader coverage
- FINVIZ17 vs 7 categories
- API access
- MesoSim
- Beginner friendly
- FINVIZ
Choose
FINVIZ if…
- Delayed quotes won't cut it; you need real-time data
- You want the cheaper way in: plans start at $24.96/mo instead of $83.33/mo
- You care about screeners, ETF screeners, and stock comparison, things MesoSim doesn't offer
- You're newer to investing and want something approachable
Choose
MesoSim if…
- You want an API so you can script or automate things
- You care about paper trading, AI research, and AI chat, things FINVIZ doesn't offer
Comparison snapshot
| Attribute | ||
|---|---|---|
| Pricing & plans | ||
Starting price | Free • From $299.5/yr | Free • From $1000/yr |
Free tier | Yes | Yes |
Free trial | 7 days | — |
Plan limits | 18 limits: Free: screener presets: 50, Free: items per page: 20 (table) / 36 (charts) / 10 (snapshots) +16 more | 5 limits: Trial: trial days: 14, Standard: backtests: Unlimited +3 more |
| Platforms & access | ||
Web app | Yes | Yes |
Mobile app | No | No |
API access | No | Yes |
Broker sync | No | — |
Integrations | — | MesoLive |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Intermediate, Advanced |
Best for | Retail Traders, Pro Retail +3 more | Pro Retail, Algo Traders +4 more |
Categories covered | 17 | 7 |
Regions | North America | North America |
| Data & capabilities | ||
Data quality | Latency: 15-min Delayed and Real-time | Granularity: Minute |
Data partners | — | Cboe and Deribit |
Capabilities | Universe builder and Correlation | 4 signals: Multi-leg options, Greeks +2 more |
Security | — | Status page |
| Try it | Visit FINVIZ | Visit MesoSim |
Standout features
What FINVIZ does best
- Screen U.S. stocks and ETFs with a mix of valuation, growth, profitability, technical, ownership, dividend, and performance filters.
- Use heat maps, sector/group views, and snapshot pages to spot where market strength, weakness, and unusual moves are clustering.
- Save screener setups with presets and switch between table, chart, and snapshot-style result views depending on how you research.
- Move from a screen to ticker-level research with quote pages that link financials, charts, news, insider trades, filings, options, short interest, and peer comparison.
- Review fundamental context with financial statements, EPS and sales charts, ownership pages, insider transactions, and 13F manager holdings.
What MesoSim does best
- Backtest options strategies through a low-code Strategy Definition workflow covering entries, exits, adjustments, fills, commissions, slippage, margin, and monitoring.
- Simulate documented instruments such as SPX, BTCUSD, ETHUSD, and higher-tier RUT, VIX, and GLD options where plan access supports them.
- Review 2D and 3D risk graphs, PnL, Greeks, and trace collection from the Position Monitor.
- Explore implied volatility surfaces with overlays such as open interest, volume, bid-ask spread, and Greeks where available.
- Use Black-Scholes-Merton valuation functions and solver tools inside strategy logic for projecting future Greeks, PnL, roots, and optimization points.
Data & access details
| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | StocksETFsOptions | OptionsCryptos |
Experience | BeginnerIntermediateAdvanced | IntermediateAdvanced |
Target audience | Retail TradersPro RetailDay TradersSwing TradersLong-term Investors | Pro RetailAlgo TradersDay TradersSwing TradersQuants/DevelopersInstitutional Investors |
Regions | North America | North America |
Coverage details | Countries: USIdentifiers: Ticker | Identifiers: Ticker |
| Data | ||
Data freshness | 15-min DelayedReal-time | Not specified |
Data granularity | Not specified | Minute |
Data partners | Not specified | CboeDeribit |
| Access & integrations | ||
API protocols | Not specified | REST |
API auth & delivery | Not specified | Auth: APIKeyDocs |
Integrations | Not specified | MesoLive |
Export formats | Excel | JSON |
| Plans & trust | ||
Security & compliance | Not specified | Status page |
Capability signals | Universe builderCorrelation | Multi-leg optionsGreeksIV surfaceStrategy backtests: Vertical and IronCondor |
Vendor & support | Support: Email | Deltaray Research Ltd.Support: Email and Chat |
Green tags are exclusive to that tool in this comparison.
Pricing breakdown
$299.5/yr
Lower starting price
Plans & pricing
- screener presets: 50
- items per page: 20 (table) / 36 (charts) / 10 (snapshots)
- +5 more
- screener presets: 200
- items per page: Up to 100 (table) / 120 (charts) / 50 (snapshots)
- +5 more
- screener presets: 200
- portfolios: 100
- +2 more
$1000/yr
Starting price
Plans & pricing
- trial days: 14
- backtests: Unlimited
- paper trading accounts: 1
- backtests: Unlimited
- paper trading accounts: 2
Coverage overlap
Shared categories
4Where the two tools cover the same ground.
FINVIZ strengths
13MesoSim strengths
3What you only get with MesoSim.
Community category leaders
Vote sentiment comparison
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Frequently Asked Questions
What's the difference between FINVIZ and MesoSim?
FINVIZ leans toward screeners, ETF screeners, and stock comparison, while MesoSim puts more weight on backtesting, options, and data visualizations. They overlap in 4 categories, so for most people it comes down to workflow preference and price.
How much do FINVIZ and MesoSim cost?
Good news: both FINVIZ and MesoSim have free plans, so you can run them side by side and only pay if you hit a wall.
Which is better for beginners: FINVIZ or MesoSim?
FINVIZ is the friendlier place to start; its interface takes less getting used to. Both work fine once you're past the basics.
Does FINVIZ or MesoSim have an API?
MesoSim has an API for programmatic access and custom integrations. FINVIZ doesn't, so you're working through its interface.
Should I choose FINVIZ or MesoSim?
It depends on what you're after. Pick FINVIZ if screeners and ETF screeners matter to you; go with MesoSim if you'd rather have paper trading and AI research. And if you only need the basics both share, let price decide.
What asset classes do FINVIZ and MesoSim cover?
Both cover options. FINVIZ also handles stocks and ETFs. MesoSim adds cryptos on top.
Does FINVIZ or MesoSim have real-time data?
FINVIZ offers real-time data, which matters if you trade actively. MesoSim 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 FINVIZ and MesoSim?
FINVIZ exports to Excel. MesoSim is stingier about getting data out.
Which has a better stock screener: FINVIZ or MesoSim?
FINVIZ has a stock screener for surfacing ideas; MesoSim doesn't, and focuses its energy elsewhere.
Can I track my portfolio with FINVIZ or MesoSim?
FINVIZ handles portfolio tracking. MesoSim is really a research tool; you'd track your portfolio elsewhere.
Other tools you might like
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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.