Ar8itrage

What hedge funds, company insiders and US officials file with regulators, and which of those filings have actually led the market.

Tools

Fund Atlas updated Tue–Sat

25 funds' 13F books since 2013, their 13D and Form 4 filings, insider cluster buys, Congress and executive-branch trades, and a forward-test log that scores each signal on trades made after it was written down.

Style map
Funds
Fast signals
Lag & flows
Insiders
Congress
Exec branch
Forward tests

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What goes in

13F-HRQuarterly fund holdings45 days after quarter-end

13D · 13G · Form 3/4Stakes and insider tradeswithin days of the trade

PTRCongress trade reportsHouse and Senate, since 2014

OGE 278-TExecutive-branch tradesPresident, cabinet, senior officials

How it's tested

Every signal is checked against the S&P 500, its sector ETF, and look-alike stocks with the same recent run-up and volatility. Rules that pass go into a dated forward-test log, so a signal only counts once it has worked on trades made after it was written down.