What if you had copied Jonathan L. Jackson?
Democrat, IL-1
The verdict
Copying Jonathan L. Jackson's reported trades from May 2023 would have turned $10,000 into $18,944, less than the S&P 500 did.
The S&P 500 turned the same $10,000 into $19,077 over the same days. The copy returned +20.1% a year against +20.3% for the S&P 500, 0.2 points a year behind. Its worst fall was 18.8%, from Feb 18, 2025 to Apr 8, 2025. The S&P 500's worst fall over the test was 18.8%.
Copied May 15, 2023 to Nov 9, 2026 · House trade reports and daily closes
What $10,000 became
- Copying Jonathan L. Jackson$18,944
- S&P 500$19,077
- Kept every buy and ignored their sales$19,274
If you had kept every buy and ignored their sales, you would have ended at $19,274, so following every move cost $329.
- $10,000 copied
- $18,944
- +89.4%, +20.1% a year
- In the S&P 500
- $19,077
- +90.8%, +20.3% a year
- Kept every buy
- $19,274
- Their sales ignored
- Worst fall
- −18.8%
- Feb 18, 2025 to Apr 8, 2025
- Trades
- 164
- 106 buys, 58 sales
The moves that made the most
- NVDANVIDIA+$3,126
Held since May 2023, the stock up 519%
- CAHCardinal Health+$1,952
Held since Feb 2024, the stock up 173%
- PHParker-Hannifin+$1,243
Held since May 2023, the stock up 202%
- MARMarriott International+$1,217
Held since Jul 2023, the stock up 125%
- MELIMercadoLibre+$433
Held from Jun 2023 to Jan 2026, the stock up 80%
- AMEAmetek+$417
Held since May 2023, the stock up 66%
The moves that cost the most
Held from Nov 2025 to Feb 2026, the stock down 26%
- DDOGDatadog−$326
Held since Oct 2026, the stock down 30%
- NFLXNetflix−$261
Held from May 2025 to Jan 2026, the stock down 22%
- DOCSDoximity−$193
Held from Sep 2025 to Dec 2025, the stock down 38%
Held from Oct 2025 to Jan 2026, the stock down 12%
Held from Jan 2026 to Feb 2026, the stock down 27%
Year by year
| Year | Copy | S&P 500 | Gap, pts |
|---|---|---|---|
| 2023from May 2023 | +30.6% | +16.4% | +14.2 |
| 2024 | +16.0% | +24.9% | −8.9 |
| 2025 | +16.8% | +17.7% | −0.9 |
| 2026to Nov 2026 | +7.0% | +11.5% | −4.4 |
A historical test on paper, before costs and taxes. It trades at the close of the first trading day after each report comes out, up to 45 days after the trade, sizes from reported ranges, and skips delisted companies, which flatters it.