VOL. XCIV, NO. 247

★ BEST INVESTING TOOLS COMPARISON ★

Wednesday, June 3, 2026

Tool Comparison · Wednesday, June 3, 2026

Corner of Berkshire & Fairfax (COBF) vs InsideArbitrage

Corner of Berkshire & Fairfax (COBF) vs InsideArbitrage: which investing tool fits your workflow? Compare pricing, features, platforms, and verdict in seconds.

Quick verdict
Corner of Berkshire & Fairfax (COBF) logo

Corner of Berkshire & Fairfax (COBF)

thecobf.com

Best for forums

Pricing
Free
Platforms
Web
VS
InsideArbitrage logo

InsideArbitrage

insidearbitrage.com

Best for news, and alerts

Pricing
Paid
Platforms
Web

Outbound links may include affiliate or sponsor codes.

Comparison snapshot

Attribute
Corner of Berkshire & Fairfax (COBF)
InsideArbitrage
Starting price
Free
Paid
Categories covered
2
23
Web app
Yes
Yes
Mobile app
No
No
API access
No
No
Regions
North America

Who should choose which?

Choose

Corner of Berkshire & Fairfax (COBF) if…

  • You need public discussion boards focused on berkshire hathaway, fairfax financial, general investing, books, and broader market conversations.
  • You need members-only sections covering investment ideas, personal finance, strategies, real estate, wealth management, events, and more.
  • You need one-time lifetime membership fee of $49.99 usd, available through the site’s shop.
  • You need private members room (also known as the cobf zoom room) reserved for paid members.

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).

Consider alternatives if…

  • You want broader category coverage in one tool.
  • Neither pricing tier fits your budget.
See alternatives

Side-by-side feature breakdown

AttributeCorner of Berkshire & Fairfax (COBF)InsideArbitrage
Asset types
Stocks
StocksETFs
Experience
BeginnerIntermediateAdvanced
BeginnerIntermediateAdvanced
Regions
Not specified
North America
Data freshness
Not specified
Real-timeEnd of Day
API access
Not specifiedNot specified
Export formats
Not specifiedNot specified

Seen enough? Open either tool and try it now.

Pricing breakdown

Pricing details

Tool

Corner of Berkshire & Fairfax (COBF)

$49.99 once

Starting price

Free tierYes
Free trial

Plans & pricing

Public AccessFree
COBF Membership (lifetime)$49.99 once

Tool

InsideArbitrage

$100/mo

Starting price

Free tierNo
Free trial

Plans & pricing

Premium – Monthly$150/mo
Premium – Annual$100/mo
IA Professional (4 seats)$400/mo
IA Professional – Annual$300/mo

Coverage overlap

Shared categories1

Categories where both tools offer overlapping coverage.

Community category leaders

ScreenersInsideArbitrage
PortfolioInsideArbitrage
WatchlistInsideArbitrage
NewsInsideArbitrage
AlertsInsideArbitrage
DividendsInsideArbitrage
Data VisualizationsInsideArbitrage
Insider DataInsideArbitrage
Browse the #1 tool in 90+ categories

Vote sentiment comparison

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Still deciding? Get hands-on with both — most plans offer a free tier or trial.

Frequently Asked Questions

What's the difference between Corner of Berkshire & Fairfax (COBF) and InsideArbitrage?

Corner of Berkshire & Fairfax (COBF) focuses on Forums, and Blogs while InsideArbitrage specializes in News, Alerts, and Calendar. They overlap in 1 categories, so choose based on your preferred workflow and pricing.

How much do Corner of Berkshire & Fairfax (COBF) and InsideArbitrage cost?

Good news—both Corner of Berkshire & Fairfax (COBF) and InsideArbitrage offer free plans. You can try each platform without commitment and only pay when you need premium features.

Should I choose Corner of Berkshire & Fairfax (COBF) or InsideArbitrage?

Choose Corner of Berkshire & Fairfax (COBF) if you need Public discussion boards focused on Berkshire Hathaway, Fairfax Financial, general investing, books, and broader market conversations., and Members-only sections covering investment ideas, personal finance, strategies, real estate, wealth management, events, and more.. Go with InsideArbitrage if 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. better fits how you invest.

What asset classes do Corner of Berkshire & Fairfax (COBF) and InsideArbitrage cover?

Both cover Stocks. InsideArbitrage adds coverage for ETFs.

Does Corner of Berkshire & Fairfax (COBF) or InsideArbitrage have real-time data?

InsideArbitrage offers real-time data feeds, which is essential for active traders. Corner of Berkshire & Fairfax (COBF) 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—Corner of Berkshire & Fairfax (COBF) or InsideArbitrage?

InsideArbitrage includes a stock screener for finding investment ideas. Corner of Berkshire & Fairfax (COBF) focuses on other analytical tools.

Can I track my portfolio with Corner of Berkshire & Fairfax (COBF) or InsideArbitrage?

InsideArbitrage offers portfolio tracking features. Corner of Berkshire & Fairfax (COBF) is more focused on research and analysis.

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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.