Sign in Subscribe

A K Karthikeyan

Independent equity researcher and sole author of Moat & Margin. Built MoatSCORE, an evidence-first framework for scoring business moats from verified filings. No broker or promoter affiliations.

22

Aug

"The Field of Credible Suppliers Is Narrowed": Diamond Power's Bet on Qualification

4 min read

22

Aug

The Moat That Only Works Overseas: Inside UFlex's Pricing Gap

4 min read

21

Aug

Daily Filing Digest — Friday, 21 Aug 2026

4 min read

21

Aug

690,000 Agents and an AI That Adds 500 Basis Points: Turtlemint's Renewal Flywheel

4 min read

21

Aug

Voltas Widened Its Lead — and Mostly Made the Price Increase Stick

3 min read