★ BEST INVESTING TOOLS COMPARISON ★
VOL. XCIV, NO. 247
Source check: ETF Action checked August 4, 2026
Tool Comparison
ETF Action vs InsideArbitrage
Pick ETF Action if
ETF Action
Free • From $29/mo · Web · API
- You'd rather start free and only pay if you outgrow it
- You want the cheaper way in: plans start at $29/mo instead of $100/mo
- You want an API so you can script or automate things
Pick InsideArbitrage if
InsideArbitrage
From $100/mo · Web
- You care about news, calendar, and corporate actions & special situations, things ETF Action 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
ETF Action and InsideArbitrage cover a lot of the same ground (8 shared categories, including screeners, data visualizations, and portfolio), so for the basics you won't go far wrong with either. InsideArbitrage simply does more: 18 categories to ETF Action's 13, including news, calendar, and corporate actions & special situations. ETF Action counters by letting you start free.
What readers say
ETF Action
Vote once to reveal the community verdict.
InsideArbitrage
Vote once to reveal the community verdict.
Key differences at a glance
- Free plan
- ETF Action
- Cheaper paid plan
- ETF Action$29/mo vs $100/mo
- Broader coverage
- InsideArbitrage18 vs 13 categories
- API access
- ETF Action
- Global coverage
- ETF Action
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 $29/mo | From $100/mo |
Free tier | Yes | No |
Free trial | — | — |
| Platforms & access | ||
Web app | Yes | Yes |
Mobile app | No | No |
API access | Yes | No |
Broker sync | No | No |
Integrations | Polygon.io (pricing), Bridge (model trading integration) +1 more | — |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Best for | — | — |
Categories covered | 13 | 18 |
Regions | North America, Europe, APAC, LatAm, Middle East, Africa | North America |
| Data & capabilities | ||
Data quality | 4 signals: Latency: Real-time and End of Day, Granularity: EOD +2 more | 4 signals: Latency: Real-time and End of Day, Granularity: EOD +2 more |
Capabilities | 5 signals: Universe builder, Factors: Value, Quality, Momentum, Growth, LowVol, and Size +3 more | Universe builder |
| Try it | Visit ETF Action | Visit InsideArbitrage |
Where each one shines
What ETF Action and InsideArbitrage each do best.ShowHide
Where each one shines
What ETF Action and InsideArbitrage each do best.What ETF Action does best
- Research coverage for ETFs through global category channels covering size and style, regions, countries, sectors, industries, themes, fixed income, non-traditional assets, commodities, and crypto.
- Look-through holdings analytics to inspect factor, style, sector, industry, country, and concentration exposure inside funds and models.
- Comparison tools for ETF overlap across individual funds or full model portfolios to understand hidden duplication and concentration risk.
- Monitoring ETF flows, trading volumes, ADV, daily refreshes, and T+1 flow timing from the platform dashboards.
- Screeners, watchlists, fund dashboards, Excel or CSV exports, and live indicative FMV quote context where plan limits allow.
What InsideArbitrage does best
- Tracking announced merger-arbitrage deals with spread context, calendars, deal updates, Deals in the Works, and post-mortem research.
- Tracked-deal workflows to filter relevant news, SEC filings, and tweets around the active-deal symbols a premium user follows.
- Research coverage for insider activity with Insider Weekends, cluster buys, buys near highs, flip-floppers, top-performing insiders, sector heat maps, and premium insider screens.
- Monitoring buyback situations through daily buyback announcements, searchable buyback history, Buyback Wednesdays, and Double Dipper screens that combine insider buying with repurchases.
- Monitoring spinoffs, completed spinoffs, Spinsider ideas, CVR deals, CVR outcomes, tender offers, reverse splits, activist campaigns, C-suite transitions, and M&A news feeds.
Every detail we compared
Every tracked attribute for ETF Action and InsideArbitrage, side by side.ShowHide
Every detail we compared
Every tracked attribute for ETF Action and InsideArbitrage, side by side.| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | ETFsStocks | StocksETFs |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Regions | North AmericaEuropeAPACLatAmMiddle EastAfrica | North America |
Coverage details | Exchanges: ARCX, XNAS, and BATSIdentifiers: Ticker | Countries: USExchanges: XNYS, XNAS, and ARCXIdentifiers: Ticker and CIK |
| Data | ||
Data freshness | Real-timeEnd of Day | Real-timeEnd of Day |
Data granularity | EOD | EOD |
| Access & integrations | ||
Import methods | CSV | Manual |
Integrations | Polygon.io (pricing)Bridge (model trading integration)RiverFront (model marketplace/partnership) | Not specified |
Export formats | ExcelCSVPDF | Not specified |
| Plans & trust | ||
Capability signals | Universe builderFactors: Value, Quality, Momentum, Growth, LowVol, and SizeFactor exposureRebalancingPortfolio factor exposure | Universe builder |
Vendor & support | ETF Action, Inc.Country: USFounded 2018Support: Email | InsideArbitrageCountry: USSupport: Email |
Curation ratings | Methodology 3/5Reliability 4/5UX 4/5 | Methodology 3/5Reliability 3/5UX 4/5 |
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 / Basic” | — |
| Entry paid plan | $29/mo“DIY” | $100/mo“Premium – Annual” |
| Tier 2 | $99/mo“Advisor Pro” | $150/mo“Premium – Monthly” |
| Tier 3 | $199/mo“Model Builder” | $300/mo“IA Professional – Annual” |
| Top plan | Subscription“Enterprise” | $400/mo“IA Professional (4 seats)” |
Questions we keep getting
What's the difference between ETF Action and InsideArbitrage?
ETF Action leans toward ETF analysis, ETF factors, and ETF overlap, while InsideArbitrage puts more weight on news, alerts, and calendar. They overlap in 8 categories, so for most people it comes down to workflow preference and price.
Is ETF Action or InsideArbitrage free to use?
ETF Action has a free tier, so you can get started without paying anything. InsideArbitrage is paid-only. If budget matters, start with ETF Action and see how far it takes you before opening your wallet.
Does ETF Action or InsideArbitrage have an API?
ETF Action has an API for programmatic access and custom integrations. InsideArbitrage doesn't, so you're working through its interface.
Should I choose ETF Action or InsideArbitrage?
It depends on what you're after. Pick ETF Action if ETF analysis and ETF factors matter to you; go with InsideArbitrage if you'd rather have news and calendar. And if you only need the basics both share, let price decide.
Do ETF Action and InsideArbitrage offer real-time data?
Yes, both serve real-time market data, so either works when timing matters.
Which covers international markets: ETF Action or InsideArbitrage?
ETF Action has documented international coverage (North America, Europe, APAC, LatAm, and more), so it's the safer bet if you hold non-US stocks. InsideArbitrage is more region-specific, mainly North America.
Can I export data from ETF Action and InsideArbitrage?
ETF Action exports to Excel and CSV. InsideArbitrage is stingier about getting data out.
Which has a better stock screener: ETF Action or InsideArbitrage?
Both ETF Action and InsideArbitrage 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 ETF Action or InsideArbitrage?
Yes, both do portfolio tracking: holdings, performance, and allocation in one place.
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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.