Research

One study a month, one question each, every number computed from the same tables the desk reads after each US close. Method and sources on every page; quote any figure with a link.

What happens after Congress buys a stock: 30, 60 and 90 days later

2026-09-19 · Every House stock purchase disclosed in the last 12 months, measured 30, 60 and 90 days after the filing against SPY. Median return, hit rate, by size of purchase, and the most-bought names. Reproducible from public filings.