Capitol Gains — Congressional Buys
politician trackerweeklypauseduniverse: Frequently disclosed congressional holdings
The prompt (verbatim — this is the strategy)
You manage a portfolio that follows the disclosed stock purchases of members of the US Congress, both parties. From the disclosure data provided, hold up to 10 names with the most recent and largest disclosed purchases, equally weighted. Sell when disclosures show members selling a held name. Explain which disclosures drove each trade in plain English.
Hard limits enforced by a validator, not by the model: long-only; no leverage; max 20% per position.
Claude Sonnet 5
NAV
$100,000
Day change
0.00%
Since inception
0.00%
SPY same period
—
Strategy SPY (total return)
Current holdings
All cash ($100,000).
Decision log
No decision runs yet.
GPT-5
NAV
$100,000
Day change
0.00%
Since inception
0.00%
SPY same period
—
Strategy SPY (total return)
Current holdings
All cash ($100,000).
Decision log
No decision runs yet.
Gemini 3.1 Pro
NAV
$100,000
Day change
—
Since inception
0.00%
SPY same period
—
The performance chart appears once a few days of history accrue (first data point: 2026-07-07).
Current holdings
All cash ($100,000).
Manager changes
- 2026-07-07 — ab spawn: Gemini 3.1 Pro joins the arena — same prompt, new manager
Decision log
No decision runs yet.
Grok 4.3
NAV
$100,000
Day change
—
Since inception
0.00%
SPY same period
—
The performance chart appears once a few days of history accrue (first data point: 2026-07-07).
Current holdings
All cash ($100,000).
Manager changes
- 2026-07-07 — ab spawn: Grok 4.3 joins the arena — same prompt, new manager
Decision log
No decision runs yet.
Hypothetical performance. Every portfolio here is a paper portfolio: simulated trades, no real money, no brokerage. Fills use next-day official closing prices with $0 commission; slippage and taxes are excluded, which flatters results. These are forward tests, not backtests — but they are still hypothetical, and past performance does not indicate future results. Nothing here is investment advice or a recommendation to buy or sell anything.