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MBI Deep Dives Alternatives (2026): 12 Company Deep-Dive Newsletters

In short: MBI Deep Dives costs $30/mo or $250/yr per its official page. Compare 12 other company deep-dive newsletters by price and focus, including 2 free ones.

Direct answer: MBI Deep Dives costs $30/mo or $250/yr (checked 2026-10-22) for daily emails on the companies it follows plus one monthly Deep Dive. If you want the same kind of long single-company research from a different writer, the 12 newsletters below are close matches; paid plans start at $30/mo or $100/yr (Solo Capitalist) and 2 are free.

MBI Deep Dives at a glance

NewsletterPrice (official page)CadenceFocus
MBI Deep Dives (Mostly Borrowed Ideas)$30/mo or $250/yrDaily emails + monthly Deep DiveDaily emails on companies plus one long Deep Dive on a public company each month.

Alternatives

NewsletterPrice (official page)CadenceFocus
Capitalist Letters$50/mo or $250/yrStock deep dives on companies with durable moats trading at a discount.
Solo Capitalist$30/mo or $100/yrWeeklyOne concentrated, high-conviction deep dive each week, often on 'boring monopolies'.
Bristlemoon Capital$100/mo or $500/yrSingle-stock deep dives from a Sydney-based global long/short fund.
Crack The Market$75/mo or $450/yr (some free posts)Deep dives on megatrends, value chains and world-class companies from a former fund manager.
Overlooked Alpha$45/mo or $300/yrMonthlyDeep research on global small and mid caps with little or no analyst coverage.
Swanson Investment Research$395/mo or $1,795/yrDeep research on a small number of public companies by Austin Swanson.
Jimmy's Journal$49/mo or $397/yrLong-term stock research by a former head of equity research.
Schwar Capital Research$50/mo or $400/yrWeeklyEquity research and weekly portfolio decisions from a concentrated quality investor.
The Few Bets That Matter$40/mo or $350/yrConcentrated stock research: earnings reviews, deep dives and portfolio updates.
Pound the Rock Investing$75/mo or $295/yrInvestment ideas and business analysis from Greystone Capital's Adam Wilk.
Compound with RenéFreeFree global equity research focused on quality businesses and disciplined valuation.
The Oak BlokeFreeFree deep dives on overlooked UK small caps.

Browse more: value, quality, small and micro caps and international stocks. Related: Doomberg alternatives, what Substack investing newsletters cost.

Questions

What is MBI Deep Dives?

A Substack by Abdullah Al Rezwan ("Mostly Borrowed Ideas"). Its About page describes daily emails on the companies he follows plus one in-depth Deep Dive on a listed company each month. Paid plans: $30/mo or $250/yr (checked 2026-10-22).

What are good MBI Deep Dives alternatives?

Other single-company research letters, such as Capitalist Letters, Solo Capitalist, Bristlemoon Capital, Crack The Market. The table below shows each one's official price and focus.

Are there free alternatives?

Yes: Compound with René and The Oak Bloke were free when we checked.

Which alternative is cheapest?

Of the paid ones with a clear yearly price, Solo Capitalist at $30/mo or $100/yr per its official page.

Write company deep dives? Listing is free. Apply to be listed or see Featured spots (always labeled Sponsored).

Prices are web prices from each official page; the official page always wins. Not investment advice.

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