★ BEST INVESTING TOOLS COMPARISON ★
VOL. XCIV, NO. 247
Tool comparison edition
Tool Comparison
Insider Monitor vs OpenInsider
Pick Insider Monitor if
Insider Monitor
Free · Web
- You care about regulatory filings monitoring, something OpenInsider doesn't offer
Pick OpenInsider if
OpenInsider
Free · Web
- You care about screeners and data visualizations, things Insider Monitor doesn't offer
Skip both if: Neither one clicks with how you research; there are strong third options.
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Our take
The bottom line
The real difference is focus: only Insider Monitor gives you regulatory filings monitoring, and only OpenInsider gives you screeners and data visualizations. On paper they're closely matched, so let pricing, platform fit, and the details below break the tie.
What readers say
Insider Monitor
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OpenInsider
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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 |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Best for | — | — |
Categories covered | 2 | 3 |
Regions | North America | North America |
| Data & capabilities | ||
Data quality | 3 signals: Latency: Real-time, Corporate actions: PointInTime +1 more | Latency: Real-time |
Capabilities | — | Universe builder |
| Try it | Visit Insider Monitor | Visit OpenInsider |
Where each one shines
What Insider Monitor and OpenInsider each do best.ShowHide
Where each one shines
What Insider Monitor and OpenInsider each do best.What Insider Monitor does best
- Browsing access to a real-time insider tape with purchases and sales, filing timestamps, issuer details, insider roles, transaction values, and direct SEC filing links.
- Officer cluster-buy reports to find tickers bought by multiple corporate officers over the past two weeks.
- Views for reviewing weekly and monthly top-10 lists for the largest insider purchases when looking for high-value Form 4 activity.
- Direct access to company and trader pages for per-issuer and per-insider transaction history, monthly summaries, year summaries, CIK references, and SEC source links.
- Industry views to compare Form 4 filing counts across broad industry divisions since 2020.
What OpenInsider does best
- Screening for real-time SEC Form 4 insider purchases and sales using data sourced from sec.gov.
- Prebuilt report pages such as Latest Insider Purchases to start from high-signal insider buying activity.
- Search tools across and filter insider transactions by ticker, filing date, trade date, insider, owner type, transaction type, value, price, and related table fields.
- Drill into ticker, insider, and industry pages to review related filings and transaction history.
- Insider buy-sell charts to visualize insider activity instead of reading only raw transaction tables.
Every detail we compared
Every tracked attribute for Insider Monitor and OpenInsider, side by side.ShowHide
Every detail we compared
Every tracked attribute for Insider Monitor and OpenInsider, side by side.| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | StocksClosed-End Funds | StocksClosed-End Funds |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Regions | North America | North America |
Coverage details | Countries: US5 exchangesIdentifiers: Ticker | Countries: USIdentifiers: Ticker and CIK |
| Data | ||
Data freshness | Real-time | Real-time |
| Access & integrations | ||
Export formats | Not specified | CSV |
| Plans & trust | ||
Capability signals | Not specified | Universe builder |
Vendor & support | Insider MonitorSupport: Email | Not specified |
Curation ratings | Methodology 2/5Reliability 3/5UX 3/5 | 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 | — |
Questions we keep getting
What's the difference between Insider Monitor and OpenInsider?
Insider Monitor leans toward insider data and regulatory filings monitoring, while OpenInsider puts more weight on insider data, screeners, and data visualizations. They overlap in 1 categories, so for most people it comes down to workflow preference and price.
How much do Insider Monitor and OpenInsider cost?
Good news: both Insider Monitor and OpenInsider have free plans, so you can run them side by side and only pay if you hit a wall.
Should I choose Insider Monitor or OpenInsider?
It depends on what you're after. Pick Insider Monitor if regulatory filings monitoring matter to you; go with OpenInsider if you'd rather have screeners and data visualizations. And if you only need the basics both share, let price decide.
Do Insider Monitor and OpenInsider offer real-time data?
Yes, both serve real-time market data, so either works when timing matters.
Can I export data from Insider Monitor and OpenInsider?
OpenInsider exports to CSV. Insider Monitor is stingier about getting data out.
Which has a better stock screener: Insider Monitor or OpenInsider?
OpenInsider has a stock screener for surfacing ideas; Insider Monitor doesn't, and focuses its energy elsewhere.
Keep researching
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Feedback
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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.