What if you had copied Brian J. Mast?
Republican, FL-21
The verdict
Copying Brian J. Mast's reported trades from Mar 2024 would have turned $10,000 into $14,477, less than the S&P 500 did.
The S&P 500 turned the same $10,000 into $14,845 over the same days. The copy returned +15.2% a year against +16.3% for the S&P 500, 1.1 points a year behind. Its worst fall was 17.0%, from May 4, 2026 to Jun 30, 2026. The S&P 500's worst fall over the test was 18.8%.
Copied Mar 27, 2024 to Nov 9, 2026 · House trade reports and daily closes
What $10,000 became
- Copying Brian J. Mast$14,477
- S&P 500$14,845
- Kept every buy and ignored their sales$14,477
If you had kept every buy and ignored their sales, you would have ended at about the same place, $14,477.
- $10,000 copied
- $14,477
- +44.8%, +15.2% a year
- In the S&P 500
- $14,845
- +48.5%, +16.3% a year
- Kept every buy
- $14,477
- Their sales ignored
- Worst fall
- −17.0%
- May 4, 2026 to Jun 30, 2026
- Trades
- 3
- 3 buys, 0 sales
The moves that made the most
- AMZNAmazon.com+$2,275
Held since Mar 2024, the stock up 48%
- TAT&T+$2,202
Held since Mar 2024, the stock up 42%
The moves that cost the most
No position lost money for the copy.
Year by year
| Year | Copy | S&P 500 | Gap, pts |
|---|---|---|---|
| 2024from Mar 2024 | +29.2% | +13.1% | +16.1 |
| 2025 | +10.1% | +17.7% | −7.6 |
| 2026to Nov 2026 | +1.8% | +11.5% | −9.7 |
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.