VOL. XCIV, NO. 247
BEST INVESTING TOOLS COMPARISON
Tool details checked August 23, 2026
Tool Comparison
Marketgenius vs Short Interest - FMM
Start here
Marketgenius
Free · Web
- Delayed quotes won't cut it; you need real-time data
- You want data visualizations, institutional ownership, and financials.
Pick Short Interest - FMM instead if
Short Interest - FMM
Free · Web
- You've outgrown the basics and want pro-level depth
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
Marketgenius and Short Interest - FMM cover a lot of the same ground (2 shared categories, screeners and short interest), so for the basics you won't go far wrong with either. Marketgenius simply does more: 10 categories to Short Interest - FMM's 2, including data visualizations, institutional ownership, and financials. Short Interest - FMM counters by being completely free.
What readers say
Marketgenius
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Short Interest - FMM
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Key differences at a glance
- Real-time data
- Marketgenius
- Broader coverage
- Marketgenius10 vs 2 categories
- Global coverage
- Marketgenius
- Free plan
- Both
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 | Free |
Free tier | Yes | Yes |
Free trial | — | — |
| Platforms & access | ||
Web app | Yes | Yes |
Mobile app | No | No |
API access | No | No |
Broker sync | — | No |
| Audience & fit | ||
Experience level | Beginner, Intermediate | Beginner, Intermediate, Advanced |
Best for | Retail Traders and Pro Retail | — |
Categories covered | 10 | 2 |
Regions | North America, Europe, LatAm | North America |
| Data & capabilities | ||
Data quality | Latency: Real-time | — |
| Try it | Visit Marketgenius | Visit Short Interest - FMM |
Where each one shines
What Marketgenius and Short Interest - FMM each do best.ShowHide
Where each one shines
What Marketgenius and Short Interest - FMM each do best.What Marketgenius does best
- Forty index heatmaps across 18 countries, including the S&P 500, Nasdaq 100, Dow 30, FTSE 100, DAX, and IBEX 35.
- Six superinvestor heatmaps for Berkshire Hathaway, Bill Ackman, Carl Icahn, Cathie Wood, Michael Burry, and the Gates Foundation Trust.
- Tile size and color identify outliers across 32 performance, valuation, profitability, and risk metrics.
- Switch heatmap metrics beyond percent change, including examples such as price-to-book and gross profit margin.
- Stock pages for prices, charts, market cap, P/E, PEG, revenue, earnings, cash flow, margins, and more than 40 metrics.
What Short Interest - FMM does best
- Screen U.S. stocks with short interest above 20% in a free web table.
- Sort by short interest percentage, ticker, company, exchange, float, shares outstanding, or industry.
- Search by ticker or company name.
- Use preset filters for short-interest thresholds, float size, and exchange groups.
- Compare relative short-interest levels with inline bars.
Every detail we compared
Every tracked attribute for Marketgenius and Short Interest - FMM, side by side.ShowHide
Every detail we compared
Every tracked attribute for Marketgenius and Short Interest - FMM, side by side.| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | Stocks | Stocks |
Experience | BeginnerIntermediate | BeginnerIntermediateAdvanced |
Target audience | Retail TradersPro Retail | Not specified |
Regions | North AmericaEuropeLatAm | North America |
Coverage details | 18 countriesIdentifiers: Ticker, CIK, CUSIP, ISIN, LEI, and SEDOL | Countries: USExchanges: XNAS, XNYS, and XASEIdentifiers: Ticker |
| Data | ||
Data freshness | Real-time | Not specified |
| Plans & trust | ||
Vendor & support | Support: Email | Not specified |
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 | Free |
Questions we keep getting
What's the difference between Marketgenius and Short Interest - FMM?
Marketgenius leans toward data visualizations, screeners, and institutional ownership, while Short Interest - FMM puts more weight on short interest and screeners. They overlap in 2 categories, so for most people it comes down to workflow preference and price.
How much do Marketgenius and Short Interest - FMM cost?
Good news: both Marketgenius and Short Interest - FMM have free plans, so you can run them side by side and only pay if you hit a wall.
Which is better for beginners: Marketgenius or Short Interest - FMM?
Honestly, neither is aimed at beginners. Expect a learning curve either way; that's the trade-off for the depth they offer.
Should I choose Marketgenius or Short Interest - FMM?
It depends on what you're after. Pick Marketgenius if data visualizations and institutional ownership matter to you; go with Short Interest - FMM if you prefer its overall approach. And if you only need the basics both share, let price decide.
Does Marketgenius or Short Interest - FMM have real-time data?
Marketgenius offers real-time data, which matters if you trade actively. Short Interest - FMM 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: Marketgenius or Short Interest - FMM?
Marketgenius has documented international coverage (North America, Europe, and LatAm), so it's the safer bet if you hold non-US stocks. Short Interest - FMM is more region-specific, mainly North America.
Which has a better stock screener: Marketgenius or Short Interest - FMM?
Both Marketgenius and Short Interest - FMM include stock screeners, and they differ more in interface than raw power; try both and see which one clicks for you.
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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.