VOL. XCIV, NO. 247
★ BEST INVESTING TOOLS COMPARISON ★
NO ADVICE
Sunday, May 31, 2026
Tool Comparison · Sunday, May 31, 2026
InsideArbitrage vs MarketScreener
InsideArbitrage vs MarketScreener: which investing tool fits your workflow? Compare pricing, features, platforms, and verdict in seconds.
InsideArbitrage
insidearbitrage.com
Best for special situations, and acquisitions
- Pricing
- Paid
- Platforms
- Web
MarketScreener
marketscreener.com
Best for stock ideas, and financials
- Pricing
- Free • From $59/mo
- Platforms
- Web, Mobile
Outbound links may include affiliate or sponsor codes.
Comparison snapshot
Who should choose which?
Choose
InsideArbitrage if…
- You need real-time data, not delayed quotes
- You need merger arbitrage tool with announced‑deal lists, spread tracking, calendars and deal updates; ‘deals in the works’ and deal post‑mortems.
- You need insider data hub with ‘insider weekends’, cluster buys, buys near highs, flip‑floppers, top‑performing insiders and sector heat‑map.
- You need buyback suite: daily buyback announcements, searchable buyback history, ‘buyback wednesdays’, and ‘double dipper’ (insiders + buybacks).
Choose
MarketScreener if…
- You need a mobile app for on-the-go research
- You’re a long-term or value-focused investor
- You need market news + quotes with broad coverage across equities, etfs, commodities, currencies/forex and cryptocurrencies .
- You need custom watchlists ("my lists") with real-time quotes, news, earnings releases, valuation trends, broker recommendations, and smart email alerts .
Consider alternatives if…
- You want broader category coverage in one tool.
- Neither pricing tier fits your budget.
Side-by-side feature breakdown
| Attribute | InsideArbitrage | MarketScreener |
|---|---|---|
Asset types | StocksETFs | StocksETFsCommoditiesCurrenciesCryptos |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Regions | North America | North AmericaEuropeAPACLatAmMiddle EastAfrica |
Data freshness | Real-timeEnd of Day | Not specified |
API access | Not specified | Not specified |
Export formats | Not specified | Not specified |
Seen enough? Open either tool and try it now.
Pricing breakdown
Tool
InsideArbitrage
$100/mo
Starting price
Plans & pricing
Tool
MarketScreener
$59/mo
Starting price
Plans & pricing
Coverage overlap
Categories where both tools offer overlapping coverage.
Categories covered by InsideArbitrage only.
Categories covered by MarketScreener only.
Community category leaders
Vote sentiment comparison
Loading sentiment chart...
Still deciding? Get hands-on with both — most plans offer a free tier or trial.
Frequently Asked Questions
What's the difference between InsideArbitrage and MarketScreener?
InsideArbitrage focuses on News, Alerts, and Calendar while MarketScreener specializes in News, Alerts, and Calendar. They overlap in 10 categories, so choose based on your preferred workflow and pricing.
How much do InsideArbitrage and MarketScreener cost?
Good news—both InsideArbitrage and MarketScreener offer free plans. You can try each platform without commitment and only pay when you need premium features.
Can I use InsideArbitrage or MarketScreener on my phone?
MarketScreener has a mobile app so you can check your research on the go. InsideArbitrage is web-only, so you'll need a browser to access it from mobile devices.
Should I choose InsideArbitrage or MarketScreener?
Choose InsideArbitrage if you need Merger Arbitrage Tool with announced‑deal lists, spread tracking, calendars and deal updates; ‘Deals in the Works’ and deal post‑mortems., and Insider data hub with ‘Insider Weekends’, cluster buys, buys near highs, flip‑floppers, top‑performing insiders and sector heat‑map.. Go with MarketScreener if Market news + quotes with broad coverage across equities, ETFs, commodities, currencies/forex and cryptocurrencies ., and Custom watchlists ("My lists") with real-time quotes, news, earnings releases, valuation trends, broker recommendations, and smart email alerts . better fits how you invest.
What asset classes do InsideArbitrage and MarketScreener cover?
Both cover Stocks, and ETFs. MarketScreener adds coverage for Commodities, Currencies, and Cryptos.
Does InsideArbitrage or MarketScreener have real-time data?
InsideArbitrage offers real-time data feeds, which is essential for active traders. MarketScreener uses delayed or end-of-day data, which works fine for longer-term investors who don't need up-to-the-second quotes.
Which has a better stock screener—InsideArbitrage or MarketScreener?
Both InsideArbitrage and MarketScreener include stock screeners. Try each to see which filtering options and interface you prefer.
Can I track my portfolio with InsideArbitrage or MarketScreener?
Both platforms include portfolio tracking, so you can monitor your holdings, performance, and allocation in one place.
Other tools you might like
These profiles share overlapping coverage with both sides of this matchup.
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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.