Backtest copying a member of Congress

Virginia Foxx: 2026-01-01 to 2026-11-11

$10,000 invested became $9,917 by copying Virginia Foxx, against $10,799 in the S&P 500: 8.8 percentage points behind the index.

On average 9% of the money was invested. On the 213 days stocks were held, the copied holdings returned -22.0% a year against +8.9% for the S&P 500 over the same days.

Portfolio value (teal) and the same deposits in SPY (red). Green dots are copied purchases and red dots copied sales (at most 300 are drawn). Returns are time-weighted, so deposits do not count as gains.

Gain or loss by month

Monthly return of the whole portfolio, cash included. Green months gained, red months lost; darker means a bigger move.

Copied trades by month

Buys and sells the simulation executed each month; darker means more.

Biggest winners and losers

What was left out

• 2 copy orders were not placed (no price history, no cash left, or the 20-position limit).
• 1,006 disclosed lines could not be copied: 939 executes before the backtest start; 60 bond or other debt, not an ordinary stock or ETF; 3 transaction type not simulated (exchange); 2 transaction date is in the future (source error); 1 unsupported asset type; 1 filed before the transaction date (inconsistent dates).

The latest disclosure is dated 2026-11-06. Trades filed after that date are not in the dataset yet.

ARLP: no price bar on 3 trading day(s) while held; valued at the last close.

EFC: no price bar on 3 trading day(s) while held; valued at the last close.

2 copy order(s) were rejected; see the transaction log for each reason.

1006 disclosed trade(s) were excluded: 939 executes before the backtest start; 60 bond or other debt, not an ordinary stock or ETF; 3 transaction type not simulated (exchange); 2 transaction date is in the future (source error).

Hypothetical result with a 3-day delay, 5 basis points slippage, no fees and no leverage. See the methodology. Not investment advice.