Jake
On All-In #291, David Friedberg argued that AI agents will set off a cyber defense arms race. We checked where the security stocks sit in their own five-year valuation ranges: the biggest platforms are already at the 96th to 98th percentile.
StockResearch
Stock splits change per-share prices and earnings, but not the underlying valuation by themselves. Work through the math and chart checks.
StockResearch
An acquisition can move price-to-sales before the new revenue is fully reported. Learn to align the valuation date with the revenue period.
StockResearch
Trailing and forward P/E ratios use different earnings. Here is how to keep the dates, estimates, and business assumptions straight.
StockResearch
How to organize stock research with saved baskets: peer sets, thesis lists, valuation screens, and cross-listing checks before a trade decision.
StockResearch
How to choose between EV/EBITDA and P/E when screening stocks, including debt, taxes, cyclicality, and capital intensity.
StockResearch
A practical guide to reading valuation percentiles: what bottom-quartile actually means, when it is useful, and when it is a value trap.
Jake
During the worst week of the July 2026 AI selloff, Gavin Baker said he could not find a single negative quantitative metric. That is a checkable claim. Here is the checklist: every metric he cited, what it signals, and an honest accounting of which ones a retail investor can actually verify.
Jake
After the July 2026 selloff, Nvidia traded at its cheapest forward P/E in ten years. That sentence contains one number and three assumptions. Here is how to unpack it: forward vs. trailing, what multiple compression on accelerating earnings mathematically implies, and why "cheapest in a decade" has been both a great signal and a trap.
Jake
July 2026 took 40–60% off AI infrastructure stocks. We ranked 50 names against their own five-year valuation history: only five actually got cheap, and about a third of the complex still trades near five-year-high multiples.
StockResearch
StockResearch now charts any covered stock's valuation against its own five-year history: a percentile screener with presets and a valuation-vs-growth chart view, per-ticker research hubs, and an S&P 500 valuation history page, all computed from SEC EDGAR filings.
Jake
Every big drawdown is one of two things: the market learned something, or someone had to sell. They look identical on a price chart. Here are five data checks that separate them, illustrated with the July 2026 AI selloff.
A monthly review of valuation changes, with links to the current data.