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.

Darrell E. Issa: 2026-01-01 to 2026-11-09

$10,000 invested became $10,000 by copying Darrell E. Issa, against $10,799 in the S&P 500: 8.0 percentage points behind the index.

+0.0%copy portfolio return
+8.0%S&P 500 return
0.0%worst drop
0trades executed
Value of the portfolio copying Darrell E. Issa versus the S&P 5009,1289,73310,33810,94311,5482026-012026-062026-11Copy portfolioS&P 500 (SPY)

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 Darrell E. IssaJanFebMarAprMayJunJulAugSepOctNovDec2026Jan 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: +0.0%Oct 2026: +0.0%Nov 2026: +0.0%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, Darrell E. IssaJanFebMarAprMayJunJulAugSepOctNovDec2026Jan 2026: 0 tradesFeb 2026: 0 tradesMar 2026: 0 tradesApr 2026: 0 tradesMay 2026: 0 tradesJun 2026: 0 tradesJul 2026: 0 tradesAug 2026: 0 tradesSep 2026: 0 tradesOct 2026: 0 tradesNov 2026: 0 tradesDec 2026: no activity

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

What was left out

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

No disclosed trades matched these settings, so the portfolio only holds cash.

22 disclosed trade(s) were excluded: 21 bond or other debt, not an ordinary stock or ETF; 1 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.