Intuit

Not all insider buys are signal. Here's how to separate informed open-market purchases from option exercises, 10b5-1 noise, and reflexive CEO PR buys.

A reverse DCF flips valuation on its head: instead of guessing growth, you solve for the rate baked into today's price — then ask if it's even plausible.

Diversification rules tell you how many stocks to own. They don't tell you how much to own of each. Here's a framework built on conviction, not headcount.

Merger arb spreads encode the market's odds on whether a deal closes. Here's how non-arbitrageurs can decode them to time exits, hedges, and event-driven positions.

Terminal value usually drives 60-80% of a DCF result. Here are the assumptions retail investors botch most often — and the sanity checks that catch them.