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.

Lloyd Doggett: 2026-01-01 to 2026-11-10

$10,000 invested became $11,153 by copying Lloyd Doggett, against $10,799 in the S&P 500: 3.5 percentage points ahead of the index.

+11.5%copy portfolio return
+8.0%S&P 500 return
-8.7%worst drop
20trades executed

On average 61% of the money was invested. On the 215 days stocks were held, the copied holdings returned +16.9% a year against +10.0% for the S&P 500 over the same days.

Value of the portfolio copying Lloyd Doggett versus the S&P 5009,1289,73110,33410,93711,5402026-012026-062026-11Copy portfolioS&P 500 (SPY)Buy HD, 2026-01-05Buy IBM, 2026-01-05Buy JNJ, 2026-01-05Buy KO, 2026-01-05Buy PPG, 2026-01-05Buy PG, 2026-03-09Buy HD, 2026-04-09Buy IBM, 2026-04-09Buy JNJ, 2026-04-09Buy PPG, 2026-04-09Buy KO, 2026-05-11Buy PG, 2026-06-08Buy HD, 2026-07-09Buy IBM, 2026-07-09Buy JNJ, 2026-07-09Buy PPG, 2026-07-09Buy KO, 2026-08-10Buy PG, 2026-09-11Buy HD, 2026-10-08Buy IBM, 2026-10-08

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 Lloyd DoggettJanFebMarAprMayJunJulAugSepOctNovDec2026Jan 2026: +2.2%Feb 2026: +0.4%Mar 2026: -2.2%Apr 2026: -0.7%May 2026: +2.5%Jun 2026: +3.0%Jul 2026: -4.2%Aug 2026: +1.8%Sep 2026: -4.1%Oct 2026: +11.9%Nov 2026: +1.1%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, Lloyd DoggettJanFebMarAprMayJunJulAugSepOctNovDec2026Jan 2026: 5 tradesFeb 2026: 0 tradesMar 2026: 1 tradeApr 2026: 4 tradesMay 2026: 1 tradeJun 2026: 1 tradeJul 2026: 4 tradesAug 2026: 1 tradeSep 2026: 1 tradeOct 2026: 2 tradesNov 2026: 0 tradesDec 2026: no activity

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

Biggest winners and losers

Best positionsProfit
KO$377
JNJ$292
PPG$211
Worst positionsProfit
IBM$-84
HD$151
PG$207

What was left out

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

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

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

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

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

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

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

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

212 disclosed trade(s) were excluded: 212 executes before the backtest start.

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