Tool Comparison
Koyfin vs Short Interest - FMM
- Paid from
- $468/yr, billed annually
- Free plan
- Yes
- Platforms
- Web, Mobile
Best if
- Delayed quotes won't cut it; you need real-time data
- You do a lot of your research from your phone
- You want ETF screeners, data visualizations, and custom dashboards.
- Paid from
- —
- Free plan
- Yes
- Platforms
- Web
Best if
Start here
Koyfin
Free • From $468/yr, billed annually · Web · Mobile
- Delayed quotes won't cut it; you need real-time data
- You do a lot of your research from your phone
- You want ETF screeners, data visualizations, and custom dashboards.
Pick Short Interest - FMM instead if
Short Interest - FMM
Free · Web
- Go this way if it's completely free.
Skip both if: Neither one clicks with how you research; there are strong third options.
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Our take
The bottom line
Koyfin 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. Koyfin simply does more: 20 categories to Short Interest - FMM's 2, including ETF screeners, data visualizations, and custom dashboards, plus a mobile app. Short Interest - FMM counters by being completely free.
What readers say
Koyfin
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Short Interest - FMM
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Key differences at a glance
- Real-time data
- Koyfin
- Broader coverage
- Koyfin20 vs 2 categories
- Mobile app
- Koyfin
- Broker sync
- Koyfin
- Global coverage
- Koyfin
- Asset coverage
- KoyfinAdds ETFs and mutual funds
What Koyfin does best
- Tools for building customizable dashboards, watchlists, charts, and market monitors across global equities, ETFs, funds, fixed income, FX, commodities, crypto, indices, and economics.
- Screening for more than 100,000 global securities with thousands of criteria, with stock and ETF screening on paid plans and mutual-fund screening in Advisor tiers.
- Advanced charts with technical indicators, fundamentals, valuation measures, analyst estimates, price targets, templates, sharing, and downloads where vendor licenses allow.
- Research coverage for companies with financial analysis pages, customizable financial templates, news, filings, transcripts, analyst data, short interest, and AI transcript summaries on paid plans.
- Tracking portfolios with grouping, notes, summary rows, alerts, custom data series, uploaded CSV price history, and mobile portfolio monitoring.
What Short Interest - FMM does best
- Screen US stocks with short interest above 20% of float 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.
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 • From $468/yr, billed annually | Free |
Free tier | Yes | Yes |
Free trial | — | — |
Plan limits | 24 limits: Free: watchlists: 2, Free: screens: 2 +22 more | — |
| Platforms & access | ||
Web app | Yes | Yes |
Mobile app | Yes | No |
API access | No | No |
Broker sync | Yes | No |
Integrations | Schwab, Altruist +6 more | — |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Best for | Retail Traders, Pro Retail +6 more | — |
Categories covered | 20 | 2 |
Regions | North America, Europe, APAC, LatAm, Middle East, Africa | North America |
| Data & capabilities | ||
Data quality | Latency: Real-time, 15-min Delayed, and End of Day and Adjustments: TotalReturn | — |
Data partners | 6 partners: S&P Global Market Intelligence, Morningstar +4 more | — |
Capabilities | 7 signals: Universe builder, Broker sync +5 more | — |
Security | 4 signals: SOC2, Data residency: US +2 more | — |
| Try it | Visit Koyfin | Visit Short Interest - FMM |
Standout features
The best features of Koyfin and Short Interest - FMM.ShowHide
Standout features
What Koyfin does best
- Tools for building customizable dashboards, watchlists, charts, and market monitors across global equities, ETFs, funds, fixed income, FX, commodities, crypto, indices, and economics.
- Screening for more than 100,000 global securities with thousands of criteria, with stock and ETF screening on paid plans and mutual-fund screening in Advisor tiers.
- Advanced charts with technical indicators, fundamentals, valuation measures, analyst estimates, price targets, templates, sharing, and downloads where vendor licenses allow.
- Research coverage for companies with financial analysis pages, customizable financial templates, news, filings, transcripts, analyst data, short interest, and AI transcript summaries on paid plans.
- Tracking portfolios with grouping, notes, summary rows, alerts, custom data series, uploaded CSV price history, and mobile portfolio monitoring.
What Short Interest - FMM does best
- Screen US stocks with short interest above 20% of float 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.
All details
Every attribute we track for Koyfin and Short Interest - FMM.ShowHide
All details
| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | StocksETFsMutual FundsClosed-End FundsBondsCurrenciesCommoditiesFutures+1 more | Stocks |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Target audience | Retail TradersPro RetailInstitutional InvestorsAnalystsAsset ManagersFinancial AdvisorsRIAs / Wealth FirmsStudents/Researchers | Not specified |
Regions | North AmericaEuropeAPACLatAmMiddle EastAfrica | North America |
Coverage details | Identifiers: Ticker | Countries: USExchanges: XNAS, XNYS, and XASEIdentifiers: Ticker |
| Data | ||
Data freshness | Real-time15-min DelayedEnd of Day | Not specified |
Data partners | S&P Global Market IntelligenceMorningstarFREDTrading EconomicsTrueFXPolygon.io | Not specified |
| Access & integrations | ||
Import methods | ManualCSVCustodian | Not specified |
Integrations | SchwabAltruistTradePMRInteractive BrokersBlack DiamondOrionFidelityAddepar | Not specified |
Export formats | CSVImagePDF | Not specified |
| Plans & trust | ||
Security & compliance | SOC2Data residency: USEncryption at restEncryption in transit | Not specified |
Capability signals | Universe builderBroker syncYield curvesAI summaries: TranscriptsHouseholdingModel portfoliosClient reporting | Not specified |
Vendor & support | Koyfin, Inc.Country: United StatesFounded 2016Support: Email | Not specified |
Green tags are exclusive to that tool in this comparison.
Pricing
Plans, billing, free trials, and monthly prices.ShowHide
Pricing
| Tier | ||
|---|---|---|
| Free plan | Freewatchlists: 2 · screens: 2 · +5 more | Free |
| Entry paid plan | $468/yrBilled annually≈ $39/mo“Plus”financials years: 10 · estimates years: 10 · +5 more | — |
| Tier 2 | $948/yrBilled annually≈ $79/mo“Premium”alerts: 500 · custom securities: Unlimited | — |
| Tier 3 | $2508/yrBilled annually≈ $209/mo“Advisor Core”alerts: 500 · reports per month: 10 · +2 more | — |
| Top plan | $3588/yrBilled annually≈ $299/mo“Advisor Pro”alerts: 500 · reports per month: 200 · +2 more | — |
| Custom / enterprise | Contact sales“Teams” | — |
Questions we keep getting
What's the difference between Koyfin and Short Interest - FMM?
Koyfin leans toward screeners, ETF screeners, and data visualizations, 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 Koyfin and Short Interest - FMM cost?
Good news: both Koyfin and Short Interest - FMM have free plans, so you can run them side by side and only pay if you hit a wall.
Can I use Koyfin or Short Interest - FMM on my phone?
Koyfin lists a dedicated mobile app, so it travels better. Short Interest - FMM doesn't list a dedicated mobile app; its documented access is web.
Should I choose Koyfin or Short Interest - FMM?
It depends on what you're after. Pick Koyfin if ETF screeners and data visualizations 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.
What asset classes do Koyfin and Short Interest - FMM cover?
Both cover stocks. Koyfin also handles ETFs, mutual funds, and closed-end funds.
Does Koyfin or Short Interest - FMM have real-time data?
Koyfin 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: Koyfin or Short Interest - FMM?
Koyfin has documented international coverage (North America, Europe, APAC, LatAm, and more), so it's the safer bet if you hold non-US stocks. Short Interest - FMM is more region-specific, mainly North America.
Can I export data from Koyfin and Short Interest - FMM?
Koyfin exports to CSV. Short Interest - FMM is stingier about getting data out.
Can Koyfin or Short Interest - FMM connect to my broker?
Koyfin syncs with brokers automatically. With Short Interest - FMM, you're entering holdings by hand or importing files.
Which has a better stock screener: Koyfin or Short Interest - FMM?
Both Koyfin 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.
Can I track my portfolio with Koyfin or Short Interest - FMM?
Koyfin handles portfolio tracking. Short Interest - FMM is really a research tool; you'd track your portfolio elsewhere.
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