VOL. XCIV, NO. 247
BEST INVESTING TOOLS COMPARISON
Source checks: InsideArbitrage checked August 23, 2026 · Tracefour checked September 19, 2026
Tool Comparison
InsideArbitrage vs Tracefour
Pick InsideArbitrage if
InsideArbitrage
Free • From $100/mo · Web
- You want news, calendar, and corporate actions & special situations.
Pick Tracefour if
Tracefour
Free · Web
- Delayed quotes won't cut it; you need real-time data
- You want US government trades, market sentiment, and APIs & data feeds.
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
InsideArbitrage and Tracefour cover a lot of the same ground (6 shared categories, including alerts, insider data, and institutional ownership), so for the basics you won't go far wrong with either. InsideArbitrage simply does more: 17 categories to Tracefour's 10, including news, calendar, and corporate actions & special situations. Tracefour counters by being completely free.
What readers say
InsideArbitrage
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Tracefour
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Key differences at a glance
- Real-time data
- Tracefour
- Broader coverage
- InsideArbitrage17 vs 10 categories
- 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 • From $100/mo | 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, Advanced | Beginner, Intermediate, Advanced |
Best for | — | — |
Categories covered | 17 | 10 |
Regions | — | North America, Europe |
| Data & capabilities | ||
Data quality | — | Latency: Real-time |
Capabilities | Universe builder | Universe builder |
| Try it | Visit InsideArbitrage | Visit Tracefour |
Where each one shines
What InsideArbitrage and Tracefour each do best.ShowHide
Where each one shines
What InsideArbitrage and Tracefour each do best.What InsideArbitrage does best
- Track announced mergers, spreads, calendars, deal updates and potential deals.
- Filter news, SEC filings and social posts for premium tracked-deal symbols.
- Research insider activity through transaction pages, weekly articles, cluster-buy screens and insider rankings.
- Follow buybacks, spinoffs, CVRs, tender offers, reverse splits, activist campaigns and management changes.
- Use 13F, 13D, 13G and Form 4 data for institutional and insider ownership context.
What Tracefour does best
- Heatmaps of insider and director-dealing activity from US, UK, Swedish, German, Dutch, and US Congress disclosures.
- Filters for ticker, market, role, transaction type, sector, date, and trade size.
- Review cluster, aggressive-buy, material, and fresh-trade tags designed to surface higher-signal insider activity.
- Methodology notes that explain how cluster scoring works and why disclosed 10b5-1 planned sales are excluded from that score.
- Company and insider pages with links back to the original regulatory disclosures.
Every detail we compared
Every tracked attribute for InsideArbitrage and Tracefour, side by side.ShowHide
Every detail we compared
Every tracked attribute for InsideArbitrage and Tracefour, side by side.| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | StocksETFs | StocksETFs |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Regions | Not specified | North AmericaEurope |
Coverage details | Identifiers: Ticker and CIK | 5 countriesIdentifiers: Ticker and CIK |
| Data | ||
Data freshness | Not specified | Real-time |
| Plans & trust | ||
Capability signals | Universe builder | Universe builder |
Vendor & support | InsideArbitrageSupport: Email | Not specified |
Curation ratings | Methodology 3/5Reliability 3/5UX 4/5 | 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“Public Articles and Data” | Free |
| Entry paid plan | $100/mo“Premium - Annual” | — |
| Top plan | $150/mo“Premium - Monthly” | — |
Questions we keep getting
What's the difference between InsideArbitrage and Tracefour?
InsideArbitrage leans toward news, alerts, and calendar, while Tracefour puts more weight on insider data, screeners, and data visualizations. They overlap in 6 categories, so for most people it comes down to workflow preference and price.
How much do InsideArbitrage and Tracefour cost?
Good news: both InsideArbitrage and Tracefour have free plans, so you can run them side by side and only pay if you hit a wall.
Should I choose InsideArbitrage or Tracefour?
It depends on what you're after. Pick InsideArbitrage if news and calendar matter to you; go with Tracefour if you'd rather have US government trades and market sentiment. And if you only need the basics both share, let price decide.
Does InsideArbitrage or Tracefour have real-time data?
Tracefour offers real-time data, which matters if you trade actively. InsideArbitrage 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 has a better stock screener: InsideArbitrage or Tracefour?
Both InsideArbitrage and Tracefour 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 InsideArbitrage or Tracefour?
InsideArbitrage handles portfolio tracking. Tracefour is really a research tool; you'd track your portfolio elsewhere.
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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.