Congress Watch

Backtest copying a member of Congress

Pick a politician and see what would have happened if you had bought and sold the same stocks a few days after each filing became public. The simulation only uses information that was public at that moment.

Tracey Robert Mann: 2026-01-01 to 2026-11-10

$10,000 invested became $9,943 by copying Tracey Robert Mann, against $10,799 in the S&P 500: 8.6 percentage points behind the index.

-0.6%copy portfolio return
+8.0%S&P 500 return
-3.3%worst drop
5trades executed

On average 7% of the money was invested. On the 61 days stocks were held, the copied holdings returned -9.5% a year against -19.2% for the S&P 500 over the same days.

Value of the portfolio copying Tracey Robert Mann versus the S&P 5009,1289,73110,33410,93711,5402026-012026-062026-11Copy portfolioS&P 500 (SPY)Buy AAPL, 2026-08-17Buy GOOGL, 2026-08-17Buy META, 2026-08-17Buy MSFT, 2026-08-17Buy NVDA, 2026-08-17

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 copying Tracey Robert MannJanFebMarAprMayJunJulAugSepOctNovDec2026Jan 2026: +0.0%Feb 2026: +0.0%Mar 2026: +0.0%Apr 2026: +0.0%May 2026: +0.0%Jun 2026: +0.0%Jul 2026: +0.0%Aug 2026: -0.0%Sep 2026: +1.9%Oct 2026: -2.1%Nov 2026: -0.3%Dec 2026: no activity

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

Copied trades by month

Copied trades per month, Tracey Robert MannJanFebMarAprMayJunJulAugSepOctNovDec2026Jan 2026: 0 tradesFeb 2026: 0 tradesMar 2026: 0 tradesApr 2026: 0 tradesMay 2026: 0 tradesJun 2026: 0 tradesJul 2026: 0 tradesAug 2026: 5 tradesSep 2026: 0 tradesOct 2026: 0 tradesNov 2026: 0 tradesDec 2026: no activity

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

Biggest winners and losers

Best positionsProfit
AAPL$59
MSFT$42
META$17
Worst positionsProfit
GOOGL$-89
NVDA$-87
META$17

What was left out

The latest disclosure is dated 2026-11-05. Trades filed after that date are not in the dataset yet.

AAPL: no price bar on 2 trading day(s) while held; valued at the last close.

GOOGL: no price bar on 2 trading day(s) while held; valued at the last close.

META: no price bar on 2 trading day(s) while held; valued at the last close.

MSFT: no price bar on 2 trading day(s) while held; valued at the last close.

NVDA: no price bar on 2 trading day(s) while held; valued at the last close.

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

2 disclosed trade(s) were excluded: 2 unsupported asset type.

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